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TROUBLE DIAGNOSIS
- 96 -
Problems
Symptom
Causes
Checks
Measures
Remarks
Bad cooling
Wrong
Defective Step Motor
Check Step Motor
Check if Step Motor damper
Reconnect lead
Refrigerator
Damper.
damper motor and
motor and reed switch lead
wire.
temperature.
reed switch and lead
wire are cut with a tester.
wire are cut. Check
Refer to Step Motor damper
Replace Step Motor
Step Motor damper
in parts repair guide.
damper or refrigerator
p
a
rt
.
control box Assembly.
Check Step Motor
Refer to Step Motor damper
Replace relay or
Refer to single
damper Motor driving
in parts repair guide.
PCB.
motor damper
relay in PCB.
driving circuits
in circuit
explanation.
Foreign materials in Step
Check Step Motor damper
Remove foreign
Motor damper baffles.
baffle visually.
materials.
Ice formation on
Check if Step Motor damper
Replace Step Motor
Step Motor damper
Heater wire is cut with a
damper or refrigerator
baffles.
tester.
control Box Assembly.
Defective refrigerator
Defective refrigerator
Check the resistance of
Replace refrigerator
Refer to sensor
sensor
sensor parts.
refrigerator sensor with a tester.
sensor.
resistance
characteristic
table in circuit
explanation.
Refrigerator sensor is
Check the sensor color in the
Repair main PCB
substituted for other
circuit. (main PCB sensor
sensor housing.
sensor.
housing.)
Defective refrigerator
Check if refrigerator sensor
Fix again the
sensor assembly
is not fixed at cover sensor but
refrigerator sensor.
condition.
inner case visually.
Summary of Contents for GR-G267ATBA
Page 41: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 41 a b c d ...
Page 50: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 50 ...
Page 51: ...2 2 Parts list 1 GR L267 G267 P277 EXPLANATION FOR MICOM CIRCUIT 51 ...
Page 52: ...EXPLANATION FOR MICOM CIRCUIT 52 ...
Page 53: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 53 ...
Page 54: ...EXPLANATION FOR MICOM CIRCUIT 54 ...
Page 56: ...2 GR L267 G267 P277 LED Display EXPLANATION FOR MICOM CIRCUIT 56 ...
Page 57: ...3 GR B277 EXPLANATION FOR MICOM CIRCUIT 57 ...
Page 58: ...2 4 DISPLAY circuit diagram 1 GR L267 G267 P277 LCD Display EXPLANATION FOR MICOM CIRCUIT 58 ...
Page 59: ...2 GR L267 G267 P277 LED Display EXPLANATION FOR MICOM CIRCUIT 59 PWB ASSEMBLY DISPLAY ...
Page 60: ...3 GR B277 EXPLANATION FOR MICOM CIRCUIT 60 ...
Page 63: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 63 ...
Page 64: ...EXPLANATION FOR MICOM CIRCUIT 64 ...
Page 69: ...CIRCUIT 69 3854JD1110A ...
Page 70: ...CIRCUIT 70 3854JD1110A ...
Page 71: ...CIRCUIT 71 3854JD1110A ...
Page 119: ...6 BLOCK DIAGRAM TV RADIO 119 ...