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Check
code
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[P26]
[P29]
Outdoor
LED display
z
{
[Short-circuit of compressor drive element]
—
No code
z
z
{
[Position detection circuit error]
[Other error] 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 not appear when an open phase shortage, coming-out of wires or
power relay trouble occurred.
Correct wiring.
Replace outdoor P.C. board.
NO
NO
The same error does not occur in
operation without compressor lead.
Check compressor. (Rear short, etc.)
Defect → Replace
Is there no problem on connection
of compressor lead or reactor?
(Check referring to Wiring diagram.)
YES
YES
Check outdoor P.C. board.
Defect → Replace
z
{