Mitsubishi Heavy Industries SRK100VNXWZRF Service Manual page 201

(c) Error code, stop code table
Number of flashes when in
service mode
Stop code
RUN TIMER or
light light Error code
(10's digit)
(1's digit)
0
OFF
1-time
01
flash
OFF
5-time
05
flash
5-time
35
flash
6-time
36
flash
7-time
37
3-time flash
flash
8-time
38
flash
9-time
39
flash
OFF 40
2-time
4-time 42
flash
flash
7-time
47
flash
8-time
48
flash
1-time
51
flash
7-time
57
flash
5-time 8-time
58
flash flash
9-time
59
flash
60
OFF
6-time
flash
1-time
61
flash
2-time
62
flash
80
OFF
2-time
82
flash
4-time
8-time
84
flash flash
5-time
85
flash
6-time
86
flash
Error content
Normal
Error of wired remote control
wiring
Broken wired remote control wire
(When wired remote control
defective indoor unit PCB.
was connected)
(When wireless LAN interface
was connected, refer to page 196.)
Can not receive signals for 35 Power source is faulty
seconds Power source cables and signal lines are improperly wired.
Indoor or outdoor unit PCB are faulty
(if communications have recovered)
Cooling overload operation.
Cooling high pressure control
Outdoor unit fan speed drops.
Outdoor heat exchanger temperature sensor is short-circuit.
Refrigerant is insufficient.
Compressor overheat 110°C
Discharge pipe temperature sensor is faulty.
Service valve is closed.
Outdoor heat exchanger temperature
Outdoor heat exchanger sensor wire is disconnected.
temperature sensor is abnormal Connector connections are poor.
Outdoor unit PCB is faulty
Outdoor air temperature sensor wire is
Outdoor air temperature sensor disconnected.
Connector connections are poor.
is abnormal
Outdoor unit PCB is faulty
Discharge pipe temperature sensor wire
Discharge pipe temperature
is disconnected.
sensor is abnormal
Connector connections are poor.
(anomalous stop)
Outdoor unit PCB is faulty
Service valve (gas side) Service valve (gas side) closed
closed operation Outdoor unit PCB is faulty.
Compressor lock.
Compressor wiring short circuit.
Compressor output is open phase.
Current cut Outdoor unit PCB is faulty
Service valve is closed.
Electronic expansion valve is faulty.
Compressor is faulty.
Active filter voltage error Defective active filter
Outdoor fan motor is faulty.
Outdoor fan motor is abnormal Connector connections are poor.
Outdoor unit PCB is faulty
Short-circuit in the power
Outdoor unit PCB is faulty
transistor (high side)
Power transistor is damaged.
Current cut circuit breakdown
Service valve is closed.
Refrigeration cycle system
Refrigerant is insufficient.
protective control
Refrigerant is overcharge.
Current safe
Compressor lock.
Overload operation.
Compressor wiring is disconnected.
Compressor wiring is unconnection Power transistor is damaged.
V oltage drop Power source construction is defective.
Low speed protective control
Outdoor unit PCB is faulty
Compressor is faulty.
Compressor is faulty.
Compressor output is open phase.
Rotor lock
Electronic expansion valve is faulty.
Overload operation.
Outdoor unit PCB is faulty
Connection lines between the
Connection lines are faulty.
indoor and outdoor units are
Indoor or outdoor unit PCB are faulty
faulty
Indoor or outdoor unit PCB are faulty
Serial transmission error
Noise is causing faulty operation.
Indoor fan motor is faulty.
Indoor fan motor is abnormal Connector connections are poor.
Indoor unit PCB is faulty
Indoor heat exchanger temperature
Indoor heat exchanger temperature sensor
sensor is abnormal wire is disconnected.
(anomalous stop)
Connector connections are poor.
Anti-condensation control High humidity condition.
Indoor fan speed drops.
Anti-frost control
Indoor heat exchanger temperature sensor is broken wire.
Heating overload operation.
Heating high pressure control
Indoor fan speed drops.
Indoor heat exchanger temperature sensor is short-circuit.
-
Cause
The wired remote control wire Y is open.
The wired remote control wires X and Y are reversely
connected.
Noise is penetrating the wired remote control lines.
The wired remote control or indoor unit PCB is faulty.
When 35 seconds passes without
communications signals from either the outdoor unit or
.
the indoor unit being detected correctly.
When the outdoor heat exchanger temperature sensor's
value exceeds the set value.
When the discharge pipe temperature sensor's value exceeds
the set value.
–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.
.
If the inverter output current value exceeds the setting value
within 80 seconds after the compressor ON in the heating
mode, the compressor stops.
Compressor start fails 42 times in succession and the
.
reason for the final failure is current cut.
When the wrong voltage connected for the power source.
.
When the outdoor unit PCB is faulty.
When a fan speed of 75 min
seconds or longer.
.
. When it is judged that the power transistor was
damaged at the time the compressor started.
When refrigeration cycle system protective control
operates.
When there is a current safe stop during operation.
When the current is 1A or less at the time the
compressor started.
When the power source voltage drops during operation.
When the compressor command speed is 1ower than 32
.
rps for 60 minutes.
After the compressor starts, when the compressor stops
due to rotor lock.
.
When 10 seconds passes after the power is turned on
without communications signals from the indoor or
.
outdoor unit being detected correctly.
When 7 minute 35 seconds passes without
.
communications signals from either the outdoor unit or
the indoor unit being detected correctly.
When the indoor fan motor is detected to be running
at 300min or lower speed with the fan motor
-1
.
in the ON condition while the air-conditioner is running.
When a temperature of –28°C or lower is sensed
continuously for 40 minutes during heating operation.
(the compressor stops).
Anti-condensation prevention control is operating.
When the anti-frost control operates and the compressor
stops during cooling operation.
When high pressure control operates during heating
operation and the compressor stops.
200
-
'09•SRK-DB-087D
'22 • PAC-SM-422
Occurrence conditions
-1 or lower continues for 30
Error Auto
display recovery
(5 times)
(2 times)
(3 times)
(3 times)
(3 times)
(2 times)
(2 times)
(3 times)
(3 times)
(2 times)