Filter
Top Products
– 43 –
Refrigerator Dead, No Sound, No Cooling
Are the interior lights on?
Check for 120VAC at 6 pin
connector at rear of unit.
Do you have 120VAC?
Check house supply voltage.
Do you have 120VAC?
House wiring
problem
No
Verify thermistors are within proper
range using temperature resistance
chart on page 49.
Is the resistance within range?
Replace main control board
No
Repair wiring connections
at 6 pin connector
Yes
If dispenser model,
does dispenser
operate?
(If non-dispenser,
follow No statement
path first)
Yes
No
No
Yes
Yes
Repair or replace
power cord
No
Unplug J2 connector from
main control board.
Check for 12 VDC at control
board pins J2-3 to J2-8.
Do you have voltage?
Yes
Check wiring connections
If wiring is OK,
replace thermistor
Unplug encoder
(temperature control)
harness. Does the
refrigerator start once the
harness is unplugged?
Yes
Replace encoder board
(temperature control)
Yes
No
Unplug J4 connector from
main control board.
Check for 12 VDC at control
board pins J4-2 to J4-3.
Do you have voltage?
No
Short in fan motor circuit
Go to fan flowcharts
Short in dispenser control
circuit. Repair short or replace
dispenser board.
Yes
Replace main
control board
No
NOTE:
NOTE:NOTE:
NOTE: check all fan
motors circuit for shorts.
If short is detected, repair
short or replace fan motor.
Failure to replace shorted
component will damage
the new control board
upon installation