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Check code
[P22]
[P26]
[P29]
—
No code
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[Fan system error]
[Short-circuit of compressor drive element]
[Position detection circuit error]
[Other error] Compressor disorder due to sudden change of load, etc.
∗ LED display also may output due to negative phase of compressor or wire coming-off.
The same error does not occur in
operation without compressor lead.
Check compressor. (Rear short, etc.)
Defect → Replace
Replace outdoor P.C. board.
Correct wiring.
NO
NO
YES
YES
Is there no problem on connection
of compressor lead or reactor?
(Check referring to Wiring diagram.)
Is there no problem on power supply voltage?
(198 to 264V)
Replace fan motor.
Check outdoor P.C. board.
Defect → Replace
Check wiring construction.
Ask repair of power supply.
YES
NO
YES
NO
Does the fan rotate without trouble when rotating
shaft of fan motor with hands during power-OFF?
Is there no problem on coil resistance of fan motor?
Between red and white lead wire : 12 to 20Ω
Between white and black lead wire : 12 to 20Ω
Between black and red lead wire : 12 to 20Ω
Check outdoor P.C. board.
Defect → Replace
<In case of SP40, SP45>