My freezer coil was frozen over, thawed it put in a new defrost timer, it started up, ran great for three days and froze over again. the bi-metal is not bulging, so I don't think it's that. the evaporator fan is'nt running e=ven after I defrosted the coil. Could that be the culprit? or the heater?
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If your coils are froze up, this could be temperature sensor I believe or your defrost valve, usually back in the fridge is your coils if they are frozen solid you need to unplug refrigerator freezer let it thaw out, you will have lots of water so get towels and stuff to soak up your water once it is thawed,plug frigerator freezer back in give it time to cool back down if the refrigerator side is cool now then I would say defrost valve or temperature sensor will need replaced there also should be a fan that blows the cold air into your refrigerator,, was it run for about a day or so if it starts freezing up again that's more proof defrost valves not working
I would guess that the evap. coil in the freezer section is ice up, could be a bad defrost timer or just a heavy accumalation of ice, turn it off and let it thaw, or locate the defrost timer and advance it to a defrost, the timer is usally in front just behind the bottom vent cover.
u have a frozen drain in the freezer, thaw the fridge out manualy, for a day or so , then it will work fine for a short while sound like a defrost timer need replacing but make sure theres no ice in the freezer befor starting it up again
With the defrost timer being replaced already it sounds as if the repairman is not looking at the real problem. Unit works for 2 days then things start thawing. Hint Hint... it is not defrosting. There is a heating element inside the freezer section attached underneath the internal tubing that melts the ice every 6 to 8 hours via the defrost timer depending on the defrost timer installed. To prove that it is not defrosting..... just unplug the unit and place a stand fan blowing into the freezer for about 90 minutes. I would bet that once you plug it back in it wil work for 2 days and the problem once again repeats. With 2 calls on the same unit and you still have the same problem I would be calling the service people back and demand they fully troubleshoot the defrosting element and thermostat. Personally this is an unstatisfactory performance of an in home service by a repairman. With the exception of a new part if required, they should wave any labor and service call fees.
most unit have automatic defrost that melts ice off coils in freezer compartment it is on a timer sounds like the drain line has plugged or frozen to verify unit will need to be dismantled and verify drain clear
how ever if problem is just ice unit can be emptied and allowed to thaw completly and then turned back on and refilled if problem reaccurs then drain was plugged first and then froze normally I would thaw unit and pour water down drain verify clear before restarting normal defrost cycles it will leak about the same time everyday good luck ron
The defrost cycle is not working properly, there are three things involved in system. #1 Defrost timer in refrigerator #2 Thermostat on coils to tell if unit is frozen #3 heater element located under coils thaws coils when frozen. the defrost timer if it is manual < located at the front of light assembly panel in top of refrigerator there will be a hole with a plastic piece that resembles a screw strait screw head> it turns and every 8hrs aprox. it stops operations and starts defrost cycle by allowing voltage to the thermostat and if thermostat is frozen it allows power to element for thawing coils. If defrost timer is manual look for direction it is facing and mark edge to see if timer is turning< very slow turning and is easiest way> if you can get an ohm meter ohm the element on high setting< if it has continuity element is operable> check wiring just to be sure not problem. If you find the timer does turn and doesn't stay in one position over 40 minutes then the thermostat is bad.If element fails tesing then the element is bad and if timer stays in one position then it is bad. If unit is equiped with electronic defrost timer and element is good in would replace timer and thermostat to guaranty that resolved problem
turns out the coils were not defrosting or at best working intermittently. I defrosted the coils and ordered a defrost timer the old timer continued to pop from intermittently.I replaced the defrost timer and it quit popping and noew the freezer works fine temps range between 9 degrees F and 14 degrees f.
Probably a defective defrost timer. Try to find the timer. It is usually underneat in the back. When you find it turn the knob slowly click by click. (You may need a screwdriver or knife) turn just until the compressor stops. Let it stay in defrost for about 1/2 hour. turn the knob until the compressor starts let it cool down several hours. Then do it again. If this solves the problem replace the timer. While you are waiting to do this Defrost it at least twice a day by turning the knob.