Rheem RTGH-RH10DV - Page 62

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Errorcode Meaning Condition
Operating ThermistorOpenor
ShortCircuit
(Automaticrestore)
Whennoresponseatoperating
Thermistor,errorcode33will
appear.
Failureevent
When operatingThermistor’swiringlinelocatedatHotWaterOutletPipeisdisconnected.
Checkpoint
①VerifythattheOperatingThermistorisproperlysecuredin
theHotwatersupplyconnection.Verifyproperconnectionof
the OperatingThermistor'swiringtothecircuitboard.
②MeasureresistanceacrosstheOperating
Thermistorwithamulti-meter.Ifthemulti-
meterdisplays0Ω(shortcircuit),replacethe
OperatingThermistor.
Chapter4Troubleshooting
Operating(black/black)
-ThewiresofCN7incircuitboard:
White/White(②,⑨)
①②③④ ⑤⑥⑦
⑧⑨⑩⑪⑫⑬⑭
- Operating
thermistor : Wire
color (Black), Connector color
(Black)