TROUBLE DIAGNOSIS
- 97 -
Problems
Symptom
Causes
Checks
Measures
Remarks
Bad defrost.
Defrost is not
Defrost lead wire is cut.
Check if defrost lead wire is cut with a
Reconnect Lead
working.
tester.
Wire.
Defective defrost driving relay.
Check the voltage of CON2 (1 and 7)
Replace relay (RY 7
Refer to load
with a tester after pressing main
and RY 3) or PCB.
driving conditions
PCB test switch twice.
check in circuit
If the voltage is normal then it is OK.
explanation.
Defective defrost sensor parts.
Check the resistance of defrost sensor
Replace defrost
Refer to sensor
with a tester.
sensor.
resistance
characteristic
table of circuit
explanation.
Defective
Buzzer
Defective connecting lead wire from
Check lead wire related to door
Repair lead wire.
buzzer
continuously
main PCB to door switch.
switch with a tester.
rings or door
Defective door switch parts.
Refer to door switch in parts repair
Replace door switch.
opening alarm
guide.
does not work.
Defective
Buzzer does
Key input wire is cut or bad connector
Check input wire with a tester.
Reconnect lead
Refer to display
display button
not sound
terminal contact in main PCB and
wire and replace or
circuit in circuit
and buttons
display PCB connecting lead wire.
directly connect bad
explanation.
do not
contact terminal to
operate.
lead wire.
Key is continuously depressed due to
Disassemble frame display and confirm
Adjust or replace
structural interference.
visually.
interfering
structures.
Содержание GR-G267ATBA
Страница 41: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 41 a b c d ...
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Страница 51: ...2 2 Parts list 1 GR L267 G267 P277 EXPLANATION FOR MICOM CIRCUIT 51 ...
Страница 52: ...EXPLANATION FOR MICOM CIRCUIT 52 ...
Страница 53: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 53 ...
Страница 54: ...EXPLANATION FOR MICOM CIRCUIT 54 ...
Страница 55: ...2 3 DISPLAY ASSEMBLY part diagram 1 GR L267 G267 P277 LCD Display EXPLANATION FOR MICOM CIRCUIT 55 ...
Страница 56: ...2 GR L267 G267 P277 LED Display EXPLANATION FOR MICOM CIRCUIT 56 ...
Страница 57: ...3 GR B277 EXPLANATION FOR MICOM CIRCUIT 57 ...
Страница 58: ...2 4 DISPLAY circuit diagram 1 GR L267 G267 P277 LCD Display EXPLANATION FOR MICOM CIRCUIT 58 ...
Страница 59: ...2 GR L267 G267 P277 LED Display EXPLANATION FOR MICOM CIRCUIT 59 PWB ASSEMBLY DISPLAY ...
Страница 60: ...3 GR B277 EXPLANATION FOR MICOM CIRCUIT 60 ...
Страница 63: ...2 GR B277 EXPLANATION FOR MICOM CIRCUIT 63 ...
Страница 64: ...EXPLANATION FOR MICOM CIRCUIT 64 ...
Страница 69: ...CIRCUIT 69 3854JD1110A ...
Страница 70: ...CIRCUIT 70 3854JD1110A ...
Страница 71: ...CIRCUIT 71 3854JD1110A ...
Страница 119: ...6 BLOCK DIAGRAM TV RADIO 119 ...
Страница 130: ...P No 3828JD8646B SEP 2004 Printed in Korea ...