Rheem RTGH-RH10DV - Page 57

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Errorcode Meaning
Condition
OperatingTemperature
andDHWTemperatureSensor
(Automaticrestore)
InthecaseofDHWmode,whenthe
OperatingTemperatureandDHW
temperaturearedetectedhigher
than199℉(93℃),errorcode16will
appear.
Failureevent
When OperatingTemperatureandDHWtemperaturearemorethan199℉(93℃),DHWoverheating
errorissuewillappearandalltheoutputsexceptpost-purgewillstop.Whenlowerthan176℉(80℃)itwill
restoreautomatically.
Checkpoint
②Ifthevalueis0Ωbymeasuring
withamulti-metermachine,replace
OverheatingHEXThermistor.
-ThewiresofCN7in
circuit board
:
White/White(②,⑨)
Chapter4Troubleshooting
①
ChecktheCircuitBoard
dipswitchsettings.
Fire
199,000Btu
(LP)
180,000Btu
(LP)
199,000Btu
(NG)
180,000Btu
(NG)
Normal
Fire
(LP)
-
HEX Oultlet thermistor : Wire
color (Black), Connector color
(Black)
①②③④ ⑤⑥⑦
⑧⑨⑩⑪⑫⑬⑭
- Wire from PCB : Wire color
(White), Connector color (Black)