Error code
Remote control:
LED Green Red
Indoor
Content
None
Power source system error
(Power source to remote control)
Keeps ashing
3-time ash
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Are there any
loose connection of remote
control wires?
Are remote
control wires broken or
short-circuited?
Is DC180V
between ➀-➁ of
CNW2?
Disconnect remote
control wires.
NO
Is DC15V or
higher detected between X-Y
of indoor unit terminal
block?
YES
YES
YES
YES
NO
NO
NO
Correct it.
Replace wires.
Replace remote control.
Defective indoor unit
power PCB
➞
Replace.
Defective indoor unit
control PCB
➞
Replace.
2. Error detection method
3 .
Condition of error displayed
4. Presumable cause
• Remote control wire
breakage/short-circuit
• Defective remote control
• Malfunction by noise
• Faulty indoor unit power PCB
• Broken harness
• Faulty indoor unit control PCB
Note:
'22 • PAC-SM-412
-
63
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