Error Code, Stop Code Table - Mitsubishi Electric DXK09ZJ-S Technical Manual

(c) Error code, stop code table
Number of flashes when in
service mode
Stop coad
RUN TIMER or
light Error coad
light
(10's digit) (1's digit)
0
OFF
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
2 time
42
flash
4 time
flash
7 time
47
flash
8 time
48
flash
1 time
51
flash
3 time
53
flash
7 time
5 time
57
flash
flash
8 time
58
flash
9 time
59
flash
60
OFF
6 time
flash 1 time
61
flash
2 time
62
flash
80
OFF
2 time
82
flash
8 time
84
4 time
flash
flash
5 time
85
flash
6 time
86
flash
Error content
Normal
Can not receive signals for 35 Power supply is faulty.
seconds Power supply cables and signal lines are improperly wired.
(if communications have recovered) Indoor or outdoor PCB are faulty.
Cooling overload operation.
Cooling high pressure control
Outdoor unit fan speed drops.
Outdoor heat exchanger sensor is short circuit.
Refrigerant is insufficient.
Compressor overheat
Discharge pipe sensor is faulty.
110°C
Service valve is closed.
Outdoor heat exchanger sensor wire is
Outdoor heat exchanger sensor
disconnected.
Connector connections are poor.
is abnormal
Outdoor PCB is faulty.
Outdoor air temperature sensor wire is
Outdoor air temperature sensor disconnected.
Connector connections are poor.
is abnormal
Outdoor PCB is faulty.
Discharge pipe sensor wire is
Discharge pipe sensor is
disconnected.
abnormal (anomalous stop) Connector connections are poor.
Outdoor PCB is faulty.
Compressor lock.
Compressor wiring short circuit.
Compressor output is open phase.
Current cut
Outdoor 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 unit's fan motor is
Connector connections are poor.
abnormal
Outdoor PCB is faulty.
Short circuit in the power
Outdoor PCB is faulty.
transistor (high side)
Power transistor is damaged.
Current cut circuit breakdown
Suction pipe sensor wire is
Suction pipe sensor
disconnected.
is abnormal
Connector connections are poor.
(Multi system only)
Outdoor PCB is faulty.
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 supply construction is defective.
Low speed protective control Outdoor PCB is faulty.
Compressor is faulty.
Compressor is faulty.
Compressor output is open phase.
Rotor lock
Electronic expansion valve is faulty.
Overload operation.
Outdoor PCB is faulty.
Connection lines between the
Connection lines are faulty.
indoor and outdoor units are
Indoor or outdoor PCB are faulty.
faulty
Indoor or outdoor PCB are faulty.
Serial transmission error
Noise is causing faulty operation.
Indoor fan motor is faulty.
Indoor unit's fan motor is
Connector connections are poor.
abnormal
Indoor PCB is faulty.
Indoor heat exchanger sensor wire is
Indoor heat exchanger sensor
disconnected.
is abnormal (anomalous stop)
Connector connections are poor.
Anti-condensation control High humidity condition.
Humidity sensor is faulty.
Indoor unit fan speed drops.
Anti-frost control
Indoor heat exchanger sensor is broken wire.
Heating overload operation.
Heating high pressure control
Indoor unit fan speed drops.
Indoor heat exchanger sensor is short circuit.
Cause
When 35 seconds passes without
communications signals from either the outdoor unit or
the indoor unit being detected correctly.
When the outdoor heat exchanger sensor's value exceeds
the set value.
When the discharge pipe 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.
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 supply.
.
When the outdoor PCB is faulty.
When a fan speed of 75 rpm or lower continues for 30
seconds or longer.
When it is judged that the power transistor was
damaged at the time the compressor started.
–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 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 supply 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 unit's fan motor is detected to be running
at 300 rpm or lower speed with the fan motor 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.

- -
'09•SRK-DB-087D
'11 • SRK-T-118
Occurrence conditions
Error Auto
display recovery
(5 times)
(2 times)
(3 times)
(3 times)
(3 times)
(2 times)
(3 times)
(3 times)
(3 times)
(2 times)