Mitsubishi SCM100ZJ-S1, Руководство по обслуживанию

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58
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'11 • SCM-SM-110
(ii) SCM100,125
0 Normal
Can not receive signals for 35
seconds
(if communications have recovered)
Power supply is faulty.
Power supply cables and signal lines are improperly wired.
Indoor or outdoor PCB are faulty.
Cooling overload operation.
Outdoor unit fan speed drops.
Outdoor high pressure sensor is short circuit.
Refrigerant is insufficient.
Discharge pipe sensor is faulty.
Service valve is closed.
Outdoor air temperature sensor wire is
disconnected.
Connector connections are poor.
Outdoor control PCB is faulty.
Suction pipe sensor wire is
disconnected.
Connector connections are poor.
Outdoor control PCB is faulty.
High pressure sensor wire is
disconnected.
Connector connections are poor.
Outdoor control PCB is faulty.
Discharge pipe sensor wire is
disconnected.
Connector connections are poor.
Outdoor control PCB is faulty.
Compressor lock.
Compressor wiring short circuit.
Compressor output is open phase.
Outdoor inverter PCB is faulty.
Service valve is closed.
Electronic expansion valve is faulty.
Compressor is faulty.
Outdoor fan motor is faulty.
Connector connections are poor.
Outdoor control PCB is faulty.
Outdoor inverter PCB is faulty.
Outdoor control PCB is faulty.
Outdoor fan motor is faulty.
Service valve is closed.
Refrigerant is insufficient.
Compressor wiring is disconnected.
Power transistor is damaged.
Power supply construction is defective.
Outdoor inverter PCB is faulty.
Compressor is faulty.
.
Connection lines are faulty.
Indoor or outdoor sub PCB are faulty.
Refrigeration cycle system
protective control
Inverter and fan motor anomaly
OFF
OFF
05
5 times
flash
Cooling high pressure control 35
5 times
flash
5 times
flash
51
1 time
flash
1 time
flash
Current cut 42
45
2 times
flash
Compressor wiring is unconnection
Voltage drop
59
9 times
flash
Compressor overheat 115°C 36
6 times
flash
Outdoor heat exchanger sensor wire is
disconnected.
Connector connections are poor.
Outdoor control PCB is faulty.
Outdoor eatexchanger sensor
is abnormal
37
7 times
flash
Anomalous outdoor sub
PCB commuication
Outdoor sub PCB fauly.
Poor connection of wire between
outdoor sub PCB-control PCB.
57
7 times
flash
Suction pipe sensor
is abnormal
53
3 times
flash
Outdoor air temperature sensor
is abnormal
38
8 times
flash
Outdoor unit's fan motor is
abnormal
48
8 times
flash
Connection lines between the
indoor and outdoor units are
faulty
61
1 time
flash
Discharge pipe sensor is
abnormal (anomalous stop)
39
9 times
flash
(5 times)
(3 times)
(3 times)
(3 times)
Number of flashes when in
service mode
RUN
light
(10's digit)
TIMER
light
(1's digit)
Stop coad
or
Error coad
Error content Cause Occurrence conditions
Error
display
Auto
recovery
OFF
3 times
flash
5 times
flash
6 times
flash
4 times
flash
(2 times)
(2 times)
(3 times)
(3 times)
(3 times)
(5 times)
(2 times)
(3 times)
When 10 seconds passes after the power is turned on
without communications signals from the indoor or
outdoor unit being detected correctly.
When the current is 1A or less at the time the
compressor started.
When the power supply voltage drops during operation.
Indoor or outdoor sub PCB are faulty.
Noise is causing faulty operation.
Serial transmission error 62
2 times
flash
When 7 minute 35 seconds passes without
communications signals from either the outdoor unit or
the indoor unit being detected correctly.
When power transistor anomaly is detected for 15 minutes
continuosly.
When a fan speed of 75 rpm or lower continues for 30
seconds or longer.
When refrigeration cycle system protective control
operates.
High pressure sensor
is abnormal
54
4 times
flash
If the detected for 5 second continuously within 2 minutes
to 2 minutes and 20 seconds after the compressor ON, the
compressor stops.
Compressor start fails 42 times in succession and the
reason for the final failure is current cut.
Communication error for 15 minutes: Detected more than
15 seconds 4 times.
When 35 seconds passes without
communications signals from either the outdoor unit or
the indoor unit being detected correctly.
–55°C or lower is detected for 5 seconds continuously 3 times
within 40 minutes after intial detection of this anomalous
temperature.
Or–55°C higher is detected for 5 seconds continuously
within 20 seconds after power ON.
–55°C or lower is detected for 5 seconds continuously 3 times
within 40 minutes after intial detection of this anomalous
temperature.
Or–55°C higher is detected for 5 seconds continuously
within 20 seconds after power ON.
–25°C or lower is detected for 5 seconds continuously 3 times
within 40 minutes after intial detection of this anomalous
temperature.
–55°C or lower is detected for 5 seconds continuously 3 times
within 40 minutes after intial detection of this anomalous
temperature.
Or–55°C higher is detected for 5 seconds continuously
within 20 seconds after compressor ON.
When the discharge pipe sensor's value exceeds the set
value.
When the outdoor high pressure sensor's value exceeds
the set value.
Heating overload operation.
Outdoor unit fan speed drops.
Outdoor high pressure sensor is short circuit.
Heating high pressure control 40
When the outdoor high pressure sensor's value exceeds
the set value.
Power transistor overheat.
Power transistor sensor is short circuit.
Power transistor error 41
When anomalous rise of the power transistor temperature
is detected 2 times within 1 hour.