Looks like the problem is a faulty defrost system.
It consists of three parts: defrost timer (#23 on the
controls break down diagram), defrost heater (#14 on the
system break down diagram) and the defrost thermostat (#21 on the
system break down diagram).
Locate the pin in the center of the defrost timer (through the hole in the cover) and, using a flat screwdriver, slowly turn it clockwise until it clicks.
Wait about 10 minutes and check if the defrost heater got hot (the coils behind the back panel in the freezer should be covered with snow).
If the defrost heater got hot, then replace the defrost timer.
If not, then unplug the fridge and check the defrost heater for continuity.
If the defrost heater is open, replace it.
If the defrost heater is closed, then replace the defrost thermostat.
- The part number for the defrost timer
AP2111929
- The part number for the defrost heater
AP2593107
- The part number for the defrost thermostat
AP2150024
The cost of repair in the worst case (if the problem is a bad defrost heater) is going to be a little bit over a $100.
Gene.