6 - 6
2WAY SYSTEM
Trouble Diagnosis
6
3. 2WAY Alarm Codes
Alarm code Alarm meaning Page
P03 Compressor 1 discharge temperature error 6-20
P04 Actuation of high pressure switch 6-21
P05 Compressor 1 open phase detection 6-22
P15 Compressor 2 open phase detection 6-22
P14 Actuation of O
2
sensor 6-23
P16 Compressor 1 secondary overcurrent 6-23
P26 Compressor 2 secondary overcurrent 6-23
P17 Compressor 2 discharge temperature error 6-20
P20 High load (Forgot to open valves) 6-24
P22
Outdoor unit fan1 failure (IPM damage, overcurrent, invertor failure, DC fan lock, hole IC
open phase)
6-24
P24
Outdoor unit fan2 failure (IPM damage, overcurrent, invertor failure, DC fan lock, hole IC
open phase)
6-24
P29
Compressor 1 start failure (compressor lock, compressor wiring open phase, DCCT
failure)
6-25
P19
Compressor 2 start failure (compressor lock, compressor wiring open phase, DCCT
failure)
6-25
Blinking inspection Display on the remote controller 6-26
SM830253-00_欧州2way7_SM-TRSM.indb 6 16/08/02 14:02:48
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