Fresh Food Defrost Heater Testing
The fresh food defrost, evap drain pan, & icemaker fill tube heaters are in a
parallel circuit.
The heaters are in series with a bi-metal defrost safety thermostat.
Check for a combined resistance of 91
at terminal block CN09 between pin 1 &
Check for a combined resistance of 91
at terminal block CN09 between pin 1 &
pin 2 (when defrost safety thermostat is closed).
Check for 120VAC at terminal block CN09 between pin 1 & pin 2 when the fresh
food is in defrost mode.
o
o
The defrost safety thermostat opens @ 140
o
F & resets @ 104
o
F
GE Profile 42-48 Refrigerators
(4/1/05)
GE CONFIDENTIAL & PROPREITARY INFORMATION - NOT FOR PUBLIC DISCLOSURE
Copyright 2007 General Electric Company – 12/14/2009
80
g
GE imagination at work