71
30AW
Diagnostic
6
6.1 Diagnostic
6.1 Inverter alarms
6.1.1 Error codes 30AWH012 only
Troubles of the unit can be diagnosed by LED indications on the cycle
control P.C. board of the unit. When multiple errors are detected, the
latest error is displayed.
t8IFO-&%JT0OUIFSFJTUIFNBJODBVTFPGUSPVCMFPOUIFPCKFDUJWFQBSU
of control at CDB side and the unit stops.
t8IFO-&%'MBTIJOHUIFSFJTUIFNBJODBVTFPGUSPVCMFPOUIFPCKFDUJWF
part of control at PC board side and the unit stops.
t8IFO DPNQSFTTPSDBTFUIFSNPTUBU PQFSBUFTUIFDPNNVOJDBUJPOJT
interrupted on the serial circuit. If the case thermostat operation happens
continuously, a serial communication error occurs because of a serial
message has been sent.
t#FGPSFBDIFDLDPOöSNFBDICJUPGUIF%*1TXJUDIJTTFUUP0''QPTJUJPO
LED indication and code checking
LED indication
Cycle control P.C. board
CauseLED indication
D800 D801 D802 D803
D800 O: Red
D801 O: Yellow
D802 O: Yellow
D803 O: Yellow
G: Flashing
): Off
D: On
D)))
Heat exchanger sensor (TE) error
))D)
Suction sensor (TS) error
DD))
Hot gas discharge sensor (TD) error
)D)D
High-pressure protection error
)D))
Outdoor air temperature sensor error (TO)
DDD)
Outdoor motorised fan error DC
D))D
Communication error between IPDU (Abnormal stop)
)D)D
High-pressure release operation
)DD)
Discharge temp. error: hot gas is too high
DD)D
EEPROM error
))DD
Communication error between IPDU (No abnormal stop)
G)))
G-Tr short-circuit protection
)G))
Detect circuit error
GG))
Current sensor error
))G)
Comp. lock error
G)G)
Comp. break down
LED
indication
ATTENTION: Problems of 30AWH004 -30AWH006
-30AWH008 units can be diagnosed by GMC board.
IPDU are the Inverter Board.
SM_30AW.indd 71 14-03-2011 14:45:19