Specifications

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218
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'10 • SR-T-091
None
Power supply system error
(Power supply to remote controller)
Keeps flashing Stays OFF
1. Applicable model
5. Troubleshooting
All models
Diagnosis Countermeasure
Isn't there any
loose connection of remote
controller wires?
Isn't remote
controller wire broken or
short-circuited?
Is DC180V
between - of
CNW2?
Disconnect remote
controller wires.
NO
Is DC15V or
higher detected between X-Y
of indoor unit terminal
block?
YES
YES
YES
YES
NO
NO
NO
Correct.
Replace wires.
Replace remote controller.
Defective indoor power
PCB
ª
Replace.
Defective indoor control
PCB
ª
Replace.
2. Error detection method
3.
Condition of Error displayed
4. Presumable cause
• Remote controller wire
breakage/short-circuit
• Defective remote controller
• Malfunction by noise
• Faulty indoor power PCB
• Broken harness
• Faulty indoor control PCB
Note:
Error code
Remote controller:
LED Green Red
Indoor
Content