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2 Stop data
Remote controller setting
Operation
switching
Cooling
(iii) Error code, stop code table (Assignment of error codes and stop codes is done in common for all models.)
Number of flashes
when in service mode
Stop code
or
RUN
TIMER
Error code
light
light
(10's digit)
(1's digit)
Major category
OFF
OFF
0
11
1 time
1 time
flash
flash
2 time
12
flash
13
3 time
flash
4 time
14
flash
5 time
15
flash
6 time
16
flash
21
2 time
1 time
Outdoor
flash
flash
2 time
22
flash
23
3 time
flash
8 time
28
flash
9 time
29
flash
7 time
27
flash
fan motor
3 time
1 time
31
flash
flash
2 time
32
flash
3 time
33
flash
4 time
34
flash
5 time
35
flash
6 time
36
flash
37
7 time
flash
Fan speed
Temperature
switching
setting
LO
21°C
22°C
23°C
24°C
25°C
26°C
27°C
28°C
29°C
30°C
Error content
Minor category
Normal
-
Current
Compressor Software Start Compressor lock
Cut
Lower than 20 rps
20 rps or higher
Excessive voltage
(DC 350 V)
Short circuit in the power
transistor (high side)
Current cut circuit
breakdown
PWM calculation results
are abnormal.
unit
error
Input is 2A or lower
(PWM 90% or higher)
Abnormal stop 3 times in
20 minutes.
Wrong voltage
Voltage drop
Outdoor
Outdoor unit s fan motor
is abnormal
error
Current
Cooling current safe I
safe
Heating current safe I
Cooling current safe II
Heating current safe II
Cooling current safe III
Heating current safe III
Heating current safe
III + 3A
Displays the reason for the stop (stop code) the previous time when the air conditioner was stopped by protective stop control.
Displays the reason for the stop (stop code) 2 times previous when the air conditioner was stopped by protective stop control.
Displays the reason for the stop (stop code) 3 times previous when the air conditioner was stopped by protective stop control.
Displays the reason for the stop (stop code) 4 times previous when the air conditioner was stopped by protective stop control.
Displays the reason for the stop (stop code) 5 times previous when the air conditioner was stopped by protective stop control.
Displays the reason for the stop (stop code) 6 times previous when the air conditioner was stopped by protective stop control.
Displays the reason for the stop (stop code) 7 times previous when the air conditioner was stopped by protective stop control.
Displays the reason for the stop (stop code) 8 times previous when the air conditioner was stopped by protective stop control.
Displays the reason for the stop (stop code) 9 times previous when the air conditioner was stopped by protective stop control.
Displays the reason for the stop (stop code) 10 times previous when the air conditioner was stopped by protective stop control.
Cause
-
-
Compressor start fails 42 times in succession and the
Compressor wiring short circuit
reason for the final failure is current cut.
Compressor output is open phase
Outdoor unit s circuit board is faulty
After the compressor starts, it stops due to current cut at
Service valve closed
less than 20 rps.
Compressor output is open phase.
Electronic expansion valve is faulty.
When operation is stopped by current cut at 20 rps or
Service valve is closed.
higher.
Compressor output is open phase.
Compressor is faulty.
Electronic expansion valve is faulty.
When the DC voltage (DC 280 V) exceeds 350 V.
Outdoor unit s circuit board is defective.
Power supply is abnormal.
Outdoor unit s circuit board is faulty.
When it is judged that the power transistor was damaged
Power transistor is damaged.
at the time the compressor started.
Outdoor unit s circuit board is faulty.
When it is judged that the power transistor was damaged
Power transistor is damaged.
at the time the compressor started.
Compressor wiring is disconnected.
When PWM calculation results of 0% continue for 3
Power transistor is damaged.
minutes or longer.
Compressor wiring is disconnected.
When PWM calculation results of 90% and an input current
Outdoor unit s circuit board is faulty.
lower than the set value continue for 3 minutes or longer.
Service valve is closed.
When an abnormal stop occurs 3 times with automatic
Compressor output is open phase.
recovery within 20 minutes after the outdoor unit s power
Electronic expansion valve is faulty.
supply was turned on.
Refrigerant is insufficient.
Power supply construction is defective.
When the wrong voltage is applied.
Power supply construction is defective.
When the power supply voltage drops during operation.
Outdoor unit s circuit board is faulty.
When a fan speed of 75 rpm or lower continues for 30
Outdoor fan motor is faulty.
seconds or longer.
Connector connections are poor.
Outdoor unit s circuit board is faulty.
Overcharge
When there is a current safe stop in current safe I mode
Compressor lock
during cooling operation.
Overcharge
When there is a current safe stop in current safe I mode
Compressor lock
during heating operation.
Overcharge
When there is a current safe stop in current safe II mode
Compressor lock
during cooling operation.
Overcharge
When there is a current safe stop in current safe II mode
Compressor lock
during heating operation.
Overcharge
When there is a current safe stop in current safe III mode
Compressor lock
during cooling operation.
Overcharge
When there is a current safe stop in current safe III mode
Compressor lock
during heating operation.
Overcharge
When there is a current safe stop in current safe III + 3A
Compressor lock
mode during heating operation.
41
-
-
Displayed data
Occurrence conditions
Error
Auto
display
recovery
-
-
(2 times)
-
-
-
-
-
-
-
-
-
-
(3 times)
-
-
-
-
-
-
-
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Troubleshooting
