Check
code
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[P26]
[P29]
Outdoor
LED display
[Short-circuit of compressor driving elements]
—
No code
[Position detection circuit error]
[Other] Compressor disorder due to sudden change of load, etc.
∗ Although the display of outdoor LED outputs, the unit automatically restarts
and error is not determined.
∗ A code may appear when an open phase of compressor, coming-out of wires or
power relay trouble occurred.
Correct wiring.
Replace outdoor P.C. board.
YES
NO
Does the same error occur in
operation without compressor lead?
Check compressor. (Layer short, etc.)
Defect → Replace
Are connections of compressor
lead and reactor lead correct?
(Check referring to Wiring diagram.)
NO
YES
Check outdoor P.C. board.
Defect → Replace
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