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Correct and clear the cause.
Check wire connection
and correct it.
Correct power supply line.
Check outdoor P.C. board.
Defect → Replace
Check wire connection
and correct it.
Correct power supply line.
Is compressor normal?
Is there no refrigerant stagnation?
Does PMV normally operate?
Is it not abnormal overload?
Is power supply voltage normal?
208/230V ± 10V
Is power supply voltage normal?
208/230V ± 10V
Is wire connection normal?
Compressor lead
(Board side, Compressor side),
Reactor lead, Power supply lead
Is wire connection normal?
Compressor lead
(Board side, Compressor side),
Reactor lead, Power supply lead
Compressor lock → Replace
Check outdoor P.C. board.
Defect → Replace
Check TE, TS sensors and PMV.
Defect → Replace
Check outdoor P.C. board.
Defect → Replace
Check outdoor P.C. board.
Defect → Replace
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
CODE
No.
[H01]
[H02]
[H03]
Outdoor
LED display
<Display 1> <Display 2>
l
¥
ll
¡
l
ll
¡
l
¡¡
<Display 1> <Display 2>
ll
l
¥
¡
l
ll
¡
l
¡¡
<Display 1> <Display 2>
l
¥
l
¥
¡
l
ll
¡
l
¡¡
Check and troubleshooting
(Item without special mention Indicates part of outdoor unit.)
[Compressor break down]
[Compressor lock]
[Current detection circuit error]