Start
Did 5mins
pass after Compressor
Off?
Check after 5 mins
Normal
Check bad contact of connector
Replace / Repair COMP ASS'Y
No
No
Yes
Yes
Yes
NO
NO
Yes
Yes
Yes
Does
compressor work with manual
operation?
Is
IC10 MICOM #28 hight?
(5V)
Is
IC71 #13 about
0.7V?
Is
CN72 connector
normal?
Is
COMP ASS'Y
normal?
Normal (Recheck)
Refer to test function in the manual
Did buzzer of manual operation sound?
(Check certainly after manual operation)
Check Cold solder joint / Replace PCB
1) Change IC71 Driver IC (TD62083AP)
2) Replace PCB
Refer to the circuit diagram in the manual
53
TROUBLESHOOTING
4-2-7. If compressor does not operate
Preliminary Inspection
"Check the compressor with selecting the manual operation"
1. Compressor does not work, unless 5mins pass after satisfying the temperature.
2. Compressor does not work during defrosting.
3. Compressor does not work because it sensing low temperature, unless the fridge & freeze sensor is connected.
☞
Checking method of voltage
PCB common Ground REG1 Heater Sink and
1) IC10 MICOM #28 ; Voltage is high
(5V ±0.5V) when compressor is working.
☞
Checking method of voltage
PCB common Ground REG1 Heater Sink and
1) IC71 #13 ; Voltage is Low (0.7V) when
compressor is working.
Common PCB Ground
REG1 Heater Sink
NW-미주향-AC 2010.6.8 3:48 PM 페이지53 in
Summary of Contents for RB195ACBP
Page 16: ...16 PRODUCT SPECIFICATIONS 2 8 Cooling Air Circulation NW 미주향 AC2010 6 83 46PM페이지16 in ...
Page 93: ...93 7 Wiring Diagram NW 미주향 AC2010 6 83 48PM페이지93 in ...
Page 94: ...94 8 1 Refrigerator Block Diagram 8 Schematic Diagram NW 미주향 AC2010 6 83 48PM페이지94 in ...
Page 95: ...95 8 2 Power and Signal Block Diagram SchematicDiagram NW 미주향 AC2010 6 83 48PM페이지95 in ...