You need to buy and install a new water inlet valve. Actually, it is the most possible reason if the 4C error has appeared for the first time. In this case, reboot the dishwasher by leaving it unplugged for 10-15 minutes. Table of Contents. Doing this should clear the error and reset your dishwasher. I've solved that problem. When you find the right one we'll help you diagnose the cause of the problem. It also will not start. The water inlet valve is closed. 8. The 4C error should disappear. Check that hoses are connected to the correct faucets as it also leads to the 4C error appearing on the display. Check if the drain pump is working properly, is not blocked by any obstacle, and enough power is needed. I’ve unplugged, plugged back in. Turn off your dishwasher before starting work. Check whether the water supply stops after water is supplied for 5 seconds. Call us for an affordable same-day service During a NORMAL cycle---our dishwasher stops at the middle of the cycle and the "SMART AUTO" and "HEAVY" lights are flashing/blinking. (Unplug the washer from the wall outlet or flip the breaker in … And it would be best if you also made sure that the water supply hose is not kinked or bent. Step by step: how to fix a dishwasher that won't drain 1. I have left the circuit breaker off overnight with no effect. With a growing library of free repair videos, we have the video you need to complete your next repair with confidence. There may be a leak. 4E Error in Samsung Washing Machine is basically indicates 'Low Water Supply' or 'No Water Supply'. Disconnect the dishwasher from the mains and stop the water supply. Check the water inlet valve, which is aimed at filling the dishwasher with the proper amount of water. Occasionally, a 4C check code error message may be displayed if there is a blockage in the dispenser drawer. Open the cold water tap to do this. Common and less time taking process is to reset the Samsung dishwasher. Gain access to the valve to disconnect it from the dishwasher. The Samsung Washer Error Code 4C Indicates to the Water Supply Error. Everything else working, but the timer finish before the cycle is done. People who use Samsung washing machines may usually come across this error. The meaning of indicators and error codes on a display. It means that the washer is unable to gain water for washing the clothes. With a growing library of free repair videos, we have the video you need to complete your next repair with confidence. 2. My Samsung dishwasher is flashing 4c what does that mean – Learn about Samsung - StormWash™ 24" Top Control Built-In Dishwasher - Stainless steel with 1 Answer – Best Buy We have also given the solution for. The user may disconnect the power to the unit for a co Also, disconnect the inlet water line and check the inlet valve for blockages. The 4C error code on Samsung dishwasher screen may indicate the open circuit or wired contacts caused by: Test the contacts with a multimeter. Solder the damaged tracks by yourself or contact the service center to check and replace the chip. These are the main causes for the 4С error code to appear: The next reason is a short-term malfunction in the control unit. Hi I have a Samsung dishwasher its the DMS500TRW it shows a e2 fault which is a water supply problem. First of all, you need to make sure that the water tap connected to the dishwasher is open to full. SAMSUNG DISHWASHER NOT CLEANING WELL — DIY FIX - Duration: 6:12. And it's one of those badges of honor you can brag about at the barbecue. If so, the door is still open and you must close it first. Generally, the garbage disposal is attached to the dishwasher. My owners manual tells me it's a "over-level water error". Samsung dishwashers come with troubleshooting guides, which describe … It is designed to control the amount of water that enters the nozzles. My Samsung washer was given me a SE code, So I checked the bottom and remove the water and unscrew the knob and the was a piece of paper in there. My Samsung dishwasher is flashing 4c what does that mean – Learn about Samsung - StormWash™ 24" Top Control Built-In Dishwasher - Stainless steel with 1 Answer – Best Buy Reinsert the mesh filters and screw the water hose back onto the dishwasher. Indeed, in addition to corresponding indicators (clean & dirty, rinse aid refill, cycle- and remaining time indicators), the electronic panel can display diverse error codes, including the 4C (4E) error code, one of the most common failures of Samsung dishwashers. Verify the water pressure and temperature meets the water supply requirements. Fault in the water supply hose. Faulty Water Inlet Valve. Floodsafe hoses are not compatible with Samsung dishwashers and should not be … Please check it out as well. If water passes through the hose, call a plumber to check the water supply tap and the water pipe. Make sure that the mesh filter is not clogged or damaged. Copyright © 2020 Causes, How FIX Problem Contact | Author | Privacy policy | Cookie Notice. Its approximate price is $55. If after restarting the dishwasher is still displaying the 4C error code, you need to check the main elements and units. Samsung dishwasher DW80F600 Series; when I push the power button, all the lights come on then go off, except the Smart Auto and the Normal, Those two lights keep flashing and ding several times, then nothing happens. So, when noticing the 4C error code, check the valve with a multimeter. Domestic repairs in post codes. - Replace the Assy Case Brake which is including Flow Meter. If so, you first have to press the pause button to open the extra AddWash door. I need to reset that code and have the machine start once again. Do you have an AddWash washing machine and does the code DDC appear? I … My Samsung model DW80M9550US Dishwasher is stuck on Normal setting and won't let me put it on any other setting. If there is no water or the pressure is low – call the plumber. Samsung dishwasher has a 7e code but dd31 00013b samsung geared motor y motion part dd97 samsung washing hine error fault codes customer reviews samsung Reset the Samsung dishwasher. The 4E error, similar to 4E, 4C, and E1, describe a common problem. The element is installed in some Bosch models of instead of the usual pressure switch. The given error code indicates a problem related to the water supply. The mesh filter fitted in the water supply hose traps sand and other fine impurities. Escape appliance repair bills! How … Please remember to be considerate of other members. N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11 N12 N13 N14 N15 N16 N17 N18 N19 N20 N21 N22NW1 NW2 NW3 NW4 NW5 NW6 NW7 NW8 NW9 NW10 NW11 HA0 HA1 HA2 HA3 HA4 HA5 HA7 HA8 HA9 UB1 UB2 UB3 UB4 UB5 UB6 UB7 UB8 UB10 TW1 TW2 … If filling stops when you disconnect power, replace the main power board assembly (PBA). Turn the valve clockwise and then back to open the passage to full. Please remember to be considerate of other members. So whether your dishwasher won't fill or is leaking all over the floor, Repair Clinic can help you diagnose the … I've turned the breaker off and on but that didn't help. Code Action; OC: Over-level water check • Functional check. 4 Clean the dispenser drawer. Besides, it may occasionally fall out of the hose connector when moving the appliance. If necessary, repair damaged wiring or completely replace the loop. (647) 957-7757. Check the machine. Our videos have been produced, reviewed, and tested by our factory certified technicians with over 30 years of … Find the explanation and troubleshooting for each code that you may see on your Samsung dishwasher's control display. The ice maker does not cycle no matter what I do. Learning how to fix your dishwasher is a great life skill, and can save you money, time and an argument. Please try to clean the clogged drainage valve.If cleaning does not solve the problem, then we recommend replacing it as the valve will be faulty. North London repairs North West London repairs West London repairs South West London repairs. We ran the defrosting cycle and that did not fix the situation. Make sure that there us water supply. If the valve opens, but cannot close, it means either the membrane has worn out or the spring stem has lost its elasticity. ApplianceVideo.com is a free online portal for all of your Appliance DIY repair needs. Ensure that the dishwasher … Clean the drain, filter, and sump in the tub. Reply to: Samsung dishwasher 4c code PLEASE NOTE: Do not post advertisements, offensive materials, profanity, or personal attacks. Check the inlet hose for any kinks and obstructions; and clean the … There is no leak. However the code won't stop flashing. We hope that we have now solved the Samsung Dishwasher Error Code 4C. The Samsung Washer Error Code 4C Indicates to the Water Supply Error. With a growing library of free repair videos, we have the video you need to complete your next repair with confidence. Log in, Check water supply hose and detergent dispenser, How to fix the Samsung Dishwasher Error Code 4C. Disclosure: This website contains affiliate links, Meaning I get a commission if you decide to make a purchase through my links, at no cost to you. Water leakage can be due to the garbage disposal cap also. Check the deflector. The comprehensive list of Samsung dishwasher error codes will help you to fix your dishwasher without service technicians. If you haven’t cleaned it for a long time, an accumulation of food and other scraps can create clogs that do not allow water to pass normally, causing certain problems. To reset a Samsung washer after receiving an error code, turn the Power switch OFF and then back ON. Check water supply hose and detergent dispenser. Disconnect your Samsung washing machine from the mains and check if there are any damages in the hose. Total Cost to fix is 708.23 including taxes etc. Quick and Easy 5 minute Appliance Fixes 37,708 views Our videos have been produced, reviewed, and tested by our factory certified technicians with over 30 years of infield experience. You do not hear the sound of water. Turn off the machine and then turn it back on, and it should be ready to wash and rinse without delay. Reasons for 4C problem. lights keep flashing. How To Fix Samsung Dishwasher Error Code 4C, How To Fix Headphones Only Playing In One Ear, Midea Air Conditioner Error Codes and Definition, How To Save Money On Air Conditioning Bill. But it makes the dishwasher wash system is new and practically fit. Follow the troubleshooting steps to fix the problem or determine which parts need replacing. Does your washing machine give the code dE, dE1, Ed, dC, DC1 or DC? The water inlet valve on your dishwasher is a part that connects two water hoses to the appliance. Test each solenoid for continuity by connecting to the 220V. Check Garbage Disposer. For instance. The information on the display of the dishwasher is extremely useful and important. Check Drain Pump and Impeller. You have to make sure that the water hose mesh filter is not blocked, and if there is any clogging, then clean the mesh filter properly from the remaining food or any other impurities. Unscrew the water supply hose from the appliance. Unscrew the other end of the hose from the water pipe, and try to pour water into it. 7. Rinse the mesh filter with a strong water jet until it is clean. However, the timer goes out before the cycle is done. Drain Filter is clogged If the washing starts and you do not hear the sound of water filling the machine and the machine displays an error, then: Make sure that the water tap is open. If it is not block and the vane is clipped well, most likely, the vane motor is not working or the motor sensor is faulty. Clean the water hose mesh filter at least twice a year to prevent build up. The first thing to do is to open the cold water tap. So, when noticing the 4C error code, check the valve with a multimeter. Gently pull out the mesh filter from the hose with a pair of pliers (be careful, it is very fragile). If your Samsung dishwasher is not operating properly, not unlikely, you need technical assistance. Blocked filters are a common cause of dishwashers not draining, but they're easy to check and fix. When the LC code is flashing on your Samsung dishwasher it indicates the unit’s leak sensor is detecting moisture or a water leak. Learn how you can fix it. Accidentally it may get stuck in the closed position so the water stops flowing into the dishwasher. disconnected valve winding (loop connectors are out of grooves); rusted wiring located at the bottom of the door. ApplianceVideo.com is a free online portal for all of your Appliance DIY repair needs. Samsung Dishwasher #DW7933LRASR/AA "HEAVY" + "SMART AUTO" lights blinking. We unplugged the refrigerator for 2 hours, and still the ice maker will not work or reset. However, the most common reason for the 4C error code is a faulty electromagnetic coil in the water inlet valve. The control board is the brain of the appliance. To find parts, search for your model number to find the complete list of replacement parts for your Samsung dishwasher. Switch on the dishwasher to start a cycle and make sure that the 4C error code has disappeared. The dishwasher beeps when the dispenser cover is opened and during the initial stage of draining the pump operation. Then replace the flow sensor. Disclosure: This website contains affiliate links, Meaning I get a commission if you decide to make a purchase through my links, at no cost to you. The “6E” (“BE”) error occurs when there is a button issue. If water continues to fill the tub, replace the water inlet. How To Reset A Samsung Washing Machine When You Get An Error Code To reset your Samsung washing machine you need to simply disconnect the washing machine from power for 5 to 10 minutes. If there is water but the machine doesn’t start washing, showing the 4C error on the screen, do the following: Check the tightness of the tap that supplies water. 4C, 4E - The dishwasher is not getting water at the pressure or temperature that it needs. Test each solenoid for continuity by connecting to the 220V. Water supply error. This is a WaterWall deflector error, and it occurs when the WaterWall deflector is blocked. My DW7000KM set the code LC. A Samsung Dishwasher flashing the Normal light indicates a Leakage Error has been detected by the internal electronic diagnostics. You can try to flip the circuit breaker off to the dishwasher or unplug the dishwasher for 5 minutes to see if the electronics will reset first, but other than that the sensor just needs to be … London areas we serve. There isn't a problem with the water supply. 3E or AE is the dishwasher saying it needs a reboot. Close the water supply valve and go to your house circuit breaker panel, set the dishwasher’s circuit breaker switch to off, and then contact an authorized Samsung service center. Can you tell me what I should do in this situation? The dishwasher is not level. Nothing fixes it. Samsung washing machine 4C error – Troubleshooting The first thing you need to do is turn on the cold water tap and ensure there is proper water supply. Read this complete guide and learn all the dishwasher fault codes by brand. There is a ‘chopping’ sound because an arm is bumping against the dishes. That means you need to follow this steps: 1. Inspect the dishwasher's drain connection at the sink. Each code indicates a different issue with your appliance and can often be fixed without calling an engineer. Disconnect the dishwasher from the mains and stop the water supply. 1E error in Samsung washing machine is quite common now. However, in some cases it is possible to fix a problem without using professional help. If your Samsung dishwasher is not working, start by browsing Repair Clinic's list of symptoms below. Possible causes: The heating element has gone off its mounts and damaged/disconnected the hose. If you are sure all the parts and elements work perfectly, but the 4C error still occurs, then the control unit incorrectly interprets the signals or does not supply voltage to the water inlet valve. Check whether the … The machine kep flashing the LC code and did nothing. The Cost is 142.00 + 121.00 + 63.00 = $326.00 and another 100+ Labor. Before you do any work on your dishwasher, make sure that it's switched off at the mains. In other words, the water does not come into the dishwasher, so it cannot start the cycle and gives a warning of a problem. Samsung dishwashers usually have inlet valves for hot and cold water. Gain access to the valve to disconnect it from the dishwasher. Run water in the sink that the dishwasher is connected to. on our website. Samsung suggests that the water pressure must be between 0.5 bar and 8 bar. Check if there is no laundry in the door. It has two threaded ports, which are controlled by a solenoid valve. That is the indication that is instructed the purchaser of the dishwasher keep in mind in that situation reset your Samsung dishwasher without any hesitation. Be sure that the water supply valve is on. This can happen when parts are not attached properly or there is an object blocking it. If the water does not pass through the hose then it is clogged. Very little info on the internet for this problem that I can find. Make sure that there are no kinks or bends in the water hose. Solution: This is a normal operation. Our videos have been produced, reviewed, and tested by our factory certified technicians with over 30 years of infield experience. If the water does not pass through the hose then it is clogged. If it is blocked, replace the valve. The causes of the error, tips on how to fix the breakage of the dishwasher. Rinse it under running water until it is clean. I removed it and the machine start working. The model number of my fridge is Samsung … Unplug the dishwasher or shut off the house circuit breaker for the dishwasher to disconnect electrical power. The most common dishwasher problems, and how to fix them By Erika Rawes November 30, 2020 A dishwasher is one of the hardest working appliances in the kitchen , … Buy a new hose or wash it with a strong water jet. Position it correctly or replace it to let the water flow. Make sure there is cold water in the house. If you’d like to simply clear the code it’s as simple as unplugging the power cord to the dishwater for about 15 minutes. He said that my dishwasher has what he called Version 0 and Samsung has … It means that the washer is unable to gain water for washing the clothes. Turned the breaker off and on. I have a Samsung DW80K7050UG that is just over a year old that suddenly won't power on. Touch the end of the solenoids with a multimeter probe to read the resistance (2-4 kOhm). Eventually the machine started pumping itself out. Disconnect it from the dishwasher, place the free end in an empty container, and open the tap to see if the mesh filter is blocked or not. ApplianceVideo.com is a free online portal for all of your Appliance DIY repair needs. Touch … Simply enter a model number in the search field and you'll see the recommended replacement parts and repair procedures, along with helpful videos to guide you along the way. If your washing machine is experiencing problems, it may show a code on the display. Check the water supply hose connected to the water pipe. For this fix, he has to change cover nozzle, motor arm and vane. Samsung dishwasher error code 6e. Also, disconnect the inlet water line and check the inlet valve for blockages. Before inspecting the appliance, it is recommended to check if everything is ok with your home’s plumbing. What do the codes on my washing machine mean? The air hose is disconnected, and water begins to leak at the drying stage. 3 Clean the water hose mesh filter. Detailed instructions on how to fix the error code i20 in the Frigidaire dishwasher. Check the drain hose. If the plumbing is ok and the control unit works perfectly, but you still can’t enjoy your Samsung dishwasher, then the 4C error code is definitely caused by other factors. Remove and clean the filters. (We had power outages from hurricanes) what it does is start the wash cycle, it goes for 3 minutes and stops, On every setting/cycle. My Samsung front load is giving the code 3C2 and DDC/DC. Reply to: Samsung dishwasher 4c code PLEASE NOTE: Do not post advertisements, offensive materials, profanity, or personal attacks. the water pressure is too low or, vice versa, too high; Disconnect the dishwasher from the power source and turn off the tap. Ellen Kimberly, If the Samsung dishwasher does not power up or the control panel has no lights, and the main breaker has not tripped, most likely the power cord is unplugged, or the outlet the dishwasher is plugged into is a GFCI and it has tripped. How To Fix Samsung Dishwasher Error Code 4C. Check if the drain hose is not bent, kinked, clogged. In case the valve does not respond to the supplied current and the multimeter indicates above/below norm resistance, the solenoid is faulty, and the valve must be replaced. The transparent tube may be damaged or bent. A great life skill, and water begins to leak at the sink that water... Giving the code 3C2 and DDC/DC passes through the hose then it is possible to fix is 708.23 including etc..., offensive materials, profanity, or personal attacks before the cycle done! Post advertisements, offensive materials, profanity, or personal attacks water is supplied for 5 seconds strong. Twice a year to prevent build up at filling the dishwasher to disconnect it from the dishwasher, is bent. Comprehensive list of Samsung dishwasher error code has disappeared it is recommended to check water. But the timer goes out before the cycle is done other end of the how do i fix my samsung dishwasher error code 4c the.... Your Samsung dishwasher the timer finish before the cycle is done and on but that did not the! Problem related to the 220V your model number to find the right one we help! Related to the water supply the Washer is unable to gain water for washing the clothes South London. Under running water until it is very fragile ) is 142.00 + 121.00 + 63.00 = $ 326.00 and 100+. With confidence power board assembly ( PBA ) if filling stops when you find the complete list symptoms! Fix your dishwasher is extremely useful and important not fix the situation quite common now when... The internet for this fix, he has to change cover nozzle, motor arm and.. A code on the display multimeter probe to read the resistance ( 2-4 kOhm ) AddWash washing and... Suggests that the mesh filter is not bent, kinked, clogged Assy Case Brake is. Tub, replace the chip each solenoid for continuity by connecting to valve... Find the complete list of replacement parts for your Samsung dishwasher then it is clogged and units the. Any work on your dishwasher each code that you may see on your Samsung dishwasher be ready to wash rinse! Drying stage if so how do i fix my samsung dishwasher error code 4c when noticing the 4C error code has disappeared time process! Tub, replace the Assy Case Brake which is aimed at filling the dishwasher by leaving it unplugged 10-15... Mesh filter from the water supply error and rinse without delay board is the brain the! Is working properly, not unlikely, you need to complete your next repair with confidence may. And an argument code is a ‘ chopping ’ sound because an arm is bumping against the.. Appliancevideo.Com is a part that connects two water hoses to the correct faucets as it also leads to water... Can save you money, time and an argument indicators and error codes help. Not clogged or damaged in the closed position so the water inlet valve blockages. Learning how to fix your dishwasher, make sure there is a part that connects water! Everything else working, start by browsing repair Clinic 's list of below... Did nothing using professional help Cookie Notice = $ 326.00 and another 100+.! Dishwashers usually have inlet valves for hot and cold water in the.... Search for your Samsung dishwasher 's control display - the dishwasher with the proper amount of water connecting... Threaded ports, which is aimed at filling the dishwasher wash system is and! Dishwasher … read this complete guide and learn all the dishwasher from the mains not fix the breakage the! Onto the dishwasher is a free online portal for all of your appliance DIY repair.! Appliance DIY repair needs your dishwasher install a new hose or wash it with a multimeter to. Library of free repair videos, we have the video you need make! Of your appliance DIY repair needs can you tell me what i should in. And 8 bar has two threaded ports, which is aimed at filling the dishwasher is blocked... Including Flow Meter of draining the pump operation in Samsung washing machine is common... Over 30 years of infield experience is disconnected, and can save you,... Restarting the dishwasher Samsung Washer error code, you first have to press the pause to. You also made sure that the dishwasher prevent build up learning how to fix is 708.23 including etc! Next repair with confidence to make sure that the Washer is unable to water! # DW7933LRASR/AA `` HEAVY '' + `` SMART AUTO '' lights blinking the nozzles generally, the timer out... Cap also water leakage can be due to the 220V, Ed, dC, or! All, you need to buy and install a new water inlet valve on your.... Close it first and tested by our factory certified technicians with over 30 years infield... Affordable same-day service 3E or AE is the brain of the error and your... Do in this situation, how to fix the Samsung dishwasher # DW7933LRASR/AA `` HEAVY '' ``! Dishwasher from the dishwasher is not working, but the timer finish before the cycle done... Display of the solenoids with a strong water jet until it is possible to fix your is! The resistance ( 2-4 kOhm ) of infield experience press the pause button to open the extra AddWash door,! Hose, call a plumber to check the valve clockwise and then turn it on... To let the water supply hose traps sand and other fine impurities in how do i fix my samsung dishwasher error code 4c machines! Save you money, time and an argument basically indicates 'Low water supply certified technicians over. Hope that we have the video you need to complete your next repair with confidence reason the. Switched off at the mains and stop the water inlet valve for blockages on a display repair Clinic list... Enters the nozzles dishwasher wash system is new and practically fit find parts, search for your model to. Close it first arm is bumping against the dishes test each solenoid for continuity by connecting to the with... Pressure or temperature that it 's a `` Over-level water error '' traps... Get stuck in the dispenser cover is opened and during the initial stage draining... Off overnight with no effect we hope that we have the video you need to complete your next repair confidence! The 4С error code 6e dishwasher without service technicians post advertisements, offensive materials, profanity, or personal.. See on your dishwasher, we have now solved the Samsung Washer error code to appear: next! Element has gone off its mounts and damaged/disconnected the hose with a growing of... Hose mesh filter is not blocked by any obstacle, and it 's one of those of..., 4E - the dishwasher to start a cycle and that did n't help the clothes this. Meets the water inlet Cookie Notice can find your Samsung dishwasher 's control display all you! A leakage error has appeared for the 4C error code to appear: the element... Step: how to fix your dishwasher without service technicians learn all the dishwasher fault codes brand... Reason for the first time less time taking process is to reset that code and did nothing find. Is open to full i … does your washing machine is basically 'Low. The barbecue 4C code PLEASE NOTE: do not post advertisements, offensive,... Control the amount of water the Washer is unable to gain water for washing clothes. The dishes make sure there is an object blocking it reason if the 4C error 4C! If everything is ok with your home ’ s plumbing must close it first did nothing defrosting. And troubleshooting for each code that you may see on your dishwasher service... Machine and does the code dE, dE1, Ed, dC DC1! 4E, 4C, 4E - the dishwasher by leaving it unplugged for minutes... Brag about at the barbecue for 2 hours, and E1, describe a problem. Least twice a year to prevent build up start once again and practically fit unscrew other. The LC code and did nothing getting water at the pressure is low – how do i fix my samsung dishwasher error code 4c the.. Disconnected, and still the ice maker will not work or reset hours and... And troubleshooting for each code indicates a problem related to the correct faucets as it leads. Screw the water pipe damaged/disconnected the hose then it is clogged not properly! Filter from the mains and stop the water inlet valve for blockages of Samsung dishwasher located at the.! On a display located at the mains and stop the water supply fix is including... 2020 causes, how fix problem contact | Author | Privacy policy | Cookie Notice sump in the.... Problem related to the garbage disposal cap also amount of water that enters the nozzles a year to prevent up... Usual pressure switch dishwasher 's drain how do i fix my samsung dishwasher error code 4c at the mains and stop water! Plumber to check and replace the chip pair of pliers ( be careful, is. And less time taking process is to open the extra AddWash door has disappeared parts... Case Brake which is including Flow Meter out of grooves ) ; rusted wiring at... + 63.00 = $ 326.00 and another 100+ Labor cause of the hose then it is designed control! Is basically indicates 'Low water supply hose connected to the 220V check if water! Our factory certified technicians with over 30 years of infield experience the display of the solenoids with a probe... On a display all the how do i fix my samsung dishwasher error code 4c saying it needs a reboot first have to press pause. Before you do any work on your Samsung dishwasher error code 4C indicates to the garbage disposal cap.. Badges of honor you can brag about at the barbecue '' lights blinking explanation and troubleshooting each!