TROUBLE DIAGNOSIS
- 88 -
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 LRSC26910SW
Страница 47: ...2 PWB parts diagram and list 2 1 PWB Assembly main part diagram LRSC269 EXPLANATION FOR MICOM CIRCUIT 47 ...
Страница 48: ...2 2 Parts list LRSC269 EXPLANATION FOR MICOM CIRCUIT 48 ...
Страница 49: ...EXPLANATION FOR MICOM CIRCUIT 49 ...
Страница 50: ...2 3 LRSC26944 LRSC26980TT DISPLAY ASSEMBLY part diagram EXPLANATION FOR MICOM CIRCUIT 50 ...
Страница 51: ...DISPLAY circuit diagram EXPLANATION FOR MICOM CIRCUIT 51 ...
Страница 53: ...DISPLAY circuit diagram EXPLANATION FOR MICOM CIRCUIT 53 PWB ASSEMBLY DISPLAY ...
Страница 54: ...3 PWB Circuit Diagram may vary according to model LRSC269 EXPLANATION FOR MICOM CIRCUIT 54 REF REF ...
Страница 60: ...CIRCUIT 60 LRSC26944 LRSC26980TT ...
Страница 102: ...TROUBLE DIAGNOSIS 102 ...
Страница 111: ...6 BLOCK DIAGRAM TV RADIO 111 ...
Страница 123: ...FREEZER DOOR PART LRSC26910 LRSC26911 EXPLODED VIEWS 123 202A 200A 210A 203A 201A 210C 210C 210C 205C 205A 205E ...
Страница 131: ...P No 3828JD8646A FEB 2004 Printed in Korea ...