7. Test run
[Output pattern A] Errors detected by indoor unit
Wireless remote controller
Wired remote
controller
Symptom
Remark
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INDICATOR lamp blinks (Num-
ber of times)
Check code
1
P1
Intake sensor error
2
P2
Pipe (TH2) sensor error
P9
Pipe (TH5) sensor error
3
E6, E7
,QGRRURXWGRRUXQLWFRPPXQLFDWLRQHUURU
4
P4
'UDLQVHQVRUHUURU)ORDWVZLWFKFRQQHFWRURSHQ
5
P5
Drain pump error
PA
Forced compressor error
6
P6
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7
EE
Communication error between indoor and outdoor units
8
P8
Pipe temperature error
9
E4
Remote controller signal receiving error
10
—
—
11
PB (Pb)
Indoor unit fan motor error
12
FB (Fb)
Indoor unit control system error (memory error, etc.)
14
PL
Refrigerant circuit abnormal
No sound
E0, E3
Remote controller transmission error
No sound
E1, E2
Remote controller control board error
No sound
– – – –
No corresponding
[Output pattern B] Errors detected by unit other than indoor unit (outdoor unit, etc.)
Wireless remote controller
Wired remote
controller
Symptom
Remark
%HHSHUVRXQGV23(5$7,21
INDICATOR lamp blinks (Num-
ber of times)
Check code
1
E9
,QGRRURXWGRRUXQLWFRPPXQLFDWLRQHUURU7UDQVPLWWLQJHUURU2XWGRRUXQLW
For details, check the LED
display of the outdoor controller
board.
2
83
Compressor overcurrent interruption
3
88
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4
8)
Compressor overcurrent interruption (When compressor locked)
5
8
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6
88G
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7
8
Abnormal temperature of heat sink
8
8
Outdoor unit fan protection stop
9
8
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10
8
Abnormality of super heat due to low discharge temperature
11
88+
Abnormality such as overvoltage or voltage shortage and abnormal synchro-
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12
—
—
13
—
—
14
Others
Other errors (Refer to the technical manual for the outdoor unit.)
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there are no error records.
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refrigerant address is incorrect.
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The continuous buzzer sounds from receiving section of indoor unit.
Blink of operation lamp
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Check code displayed in the LCD.