Whirlpool Polara GR556LRK Service Manual page 75

PROBLEM
Display shows mes-
sages.
Oven control keypads
do not respond. Dis-
play indicates all func-
tions.
Self-Clean cycle will
not operate.
PROBLEM
Unit will not cool.
Refrigeration module
not cooling properly.
Refrigeration module
will not operate.
POSSIBLE CAUSE
1. Is the display showing "PF"?
2. Is the display showing a letter fol-
lowed by a number?
1. Defective inline fuse.
1. The oven door is open.
2. The Self-Clean function has not been
entered.
3. A time delay is set.
Refrigeration
POSSIBLE CAUSE
1. Compressor not running.
2. Fan motor stalled or defective.
1. Blocked condenser coils.
2. Air leaks.
3. Refrigerant leak.
4. Fan is stalled.
5. Oven ducts blocked.
1. Open 20A fuse.
2. Defective oven control (EOC).
SOLUTION
1. There has been a power failure. Clear
the display (see "Displays" in the Use
& Care Guide).
2. Press OFF/CANCEL, OFF or CAN-
CEL/OFF to clear the display.
1. Test and replace fuse, if necessary
(see page 4-17).
1. Close the oven door.
2. Set the Self-Clean cycle (see "Self-
Cleaning Cycle" in the Use & Care
Guide).
3. Turn the time delay off (see "Timed
Cooking" in the Use & Care Guide).
SOLUTION
1. Test compressor, overload, & relay.
2. Test fan (15 to 35 Ω). Replace if
resistance is incorrect.
1. Clean coils.
2. Check seals.
3. Check for complete frost pattern. If not,
look for refrigerant leak.
4. Test fan.
5. Clear oven ducts.
1. Test fuse and replace if open.
2. 120 VAC should be present at the 20A
fuse during cooling operation.
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