Frigidaire FKCH17F7HW - Freezer does not automatically defrost.

5-5
Troubleshooting
1. Program the control for a manual
defrost. Does the defrost operate?
2. Disconnect the orange wire from the
defrost thermostat and the white wire
from the defrost heater. Measure the
resistance between the wire on the
thermostat and the wire at the end of
the heater. Is the reading about 25
omhs?
3. Disconnect defrost thermostat from
the defrost heater and measure the
resistance of the defrost heater. Is
the reading about 25 omhs?
Freezer does not
automatically defrost.
Yes. Replace electronic control.
No. Go to step 2.
Yes. Replace electronic control.
No. Go to step 3.
Yes. Replace defrost thermostat.
No. Replace defrost heater.
Problem CorrectionCause