Rheem RTGH-RH10DV - Page 67

67
Errorcode Meaning Condition
BurnerLimitSwitchabnormality
(Manualrestore)
BurnerLimitSwitch’stemperature
isabovetheacceptablerange,
errorcode43willappear.
Failureevent
StopalloftheoutputsexceptfanwhenBurnerLimitSwitchattachedonburnerupperplateshows
temperatureabove302℉(150℃).
Checkpoint
①Checkconditionsofburnerlimitswitchconnectedwith
burnerandcircuitboard,anddisconnection.
②
Checkconnectorandifnoproblem,measureburnerlimit
switchlocatedatburnerheadandreplaceoverheatingswitch
whenthemulti-metervalueshows'0L'.(Normalvalueis
'0~0.5Ω'.)(CN11:Red⑦,⑮)
Chapter4Troubleshooting
BurnerLimitSwitch(302℉/150℃)