Refer to 4
10-2) When Compressor and Cooling FAN MOTOR does not operate,
1. Compressor does not operate at the first power supply or after compressor is OFF.
2. During defrosting, compressor does not operate.
3. When Freezer sensor is not connected, low-temperature is sensed and so, compressor does not
operate.
5minutes have passed since
COMP OFF?
START
Check after 5 minutes
Refer to 6
(Forced-operation alarm sounds?)
Replacement of
MICOM and PCB
Replacement of IC03
Compressor operate by
forced-operation?
MICOM #23 is HIGH?
Open and Repair of
Connection
Repair of Sensor and
Replacement of PCB
IC03 #16 is LOW(0V)?
Adjustment of Wire, Repair
of Connection state
COMP RELAY is normal?
Replacement of COMP
RELAY
Refer to 2
Contact state of
CONNECTOR CN70 and
CN71 is normal?
Full insertion of
CONNECTOR
COMP ASSÕY is normal?
Replacement of
COMP ASSÕY
Wire assembly and Connection state
N
Y
Y
N
N
Y
N
Y
Y
N
Y
N
Y
N
Y
Freezer Sensor
is normal?
Temperature
Sensor of MAIN PCB
is normal?
Pre-Check
38