59
Errorcode Meaning Condition
AirPressureSwitch(APS)
Abnormality(Manualrestore)
WhenAPSatcondensate
dischargingoutletisabnormal,
error29willappear.
Failureevent
Airpressureincreaseismostlikelytheresultofanobstructionintheexhaustairowline-forexample,
excessivecondensatebuilduporablockageintheventtermination.
Checkpoint
①CheckAPSandcircuitboard
connection.
②Verifythatthecondensatetrapand
drainpipearefreeofobstructions.
③Checkcondensatedischargingoutlet
isblockedbyforeignsubstances.
④
Checktheconnectinghosebetween
thecondensatetrapandAPS.
⑤Checktheexhaustpipe
blockageandAirInletFilter
clogging.
⑥Ifabove①,②,③checkpointsarenormal,checktheAPSconnectortothemultimeter.ReplaceAPS
whenthemulti-metervalueshows'0L'.(Normalvalueis'0~0.5Ω'.)
Chapter4Troubleshooting
0 Ω