Rheem RTGH-RH11DV - Chapter 4: Troubleshooting - Water Mixing Valve; Er:66 Water Mixing Valve Abnormality

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Errorcode Meaning Condition
WaterMixingValveAbnormality
(Manualrestore)
①Occursmanualrestoreerror.
②Waterleakageoccursaround
thewatermixingvalve.
③Abnormalvalveoperation.
Failureevent
Operationofproductisstoppedoncedetectingwaterleakage.Thetemperatureofhotwaterisnot
constant.
Checkpoint
④IfaboveissuesoperateswellreplaceCircuitBoard.
①Checkerrorcodesignafterturningo󰘯andonthepower.
③Ifabove①,②operatesnormallyreplacevalve
[WaterMixingValve]
DHMYPhase(black):connector①
DHMYPhase(brown):connector②
DHMXPhase(red):connector③
DHMXPhase(orange):connector④
GND(yellow):connector⑤
DHMPositionsensor(green):connector⑥
Flow2sensor(blue):connector⑦
DC14V(white):connector⑧
①②③④ ⑤⑥⑦⑧
Chapter4Troubleshooting