Rheem RTGH-RH11DV - Chapter 4: Troubleshooting - Operating Temperature Sensing; Er:33 Operating Thermistor Error

62
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)