Rheem RTGH-RH10DV - Page 74

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Errorcode Meaning Condition
FlameDetectedbeforeIgniter
Abnormality(Automaticrestore)
Whendetectedthe󰘱amebefore
ignition,errorcode72willappear.
Failureevent
When󰘱amedetectedduringnooperationthenerroroccursandsignition.When󰘱ameafter
pre-purgeandthen󰘱ameisstillshownevenafterpre-purge10timesthenmanualrestoreerroroccurs.
Aftercombustionandpostpre-purgeiscompletedbut󰘱ameisstillshownthenblockignitionsequence
performancebyoccurringerrorduringnooperation.Flamedetectingerrorrestoresautomaticallywhen
󰘱amedisappears.
Checkpoint
②Toresetthiserrorcode,thepowerneedstobedisconnectedandthenreconnected.
Chapter4Troubleshooting
①Checkthefrontcoverwillbeclosed.
■FrommorethanDC2.5Vafterignitionsafetycut-o󰘯willappear
①
WhensettingbeforeignitionislessthanDC2.5V:Replace󰘱amesensor.
②
WhensettingbeforeignitionismorethanDC2.5V:Replacethe󰘱ameobservationglassandgasket.
ITEM NormalValue
Beforeignition MorethanDC2.5V
Afterignition LessthanDC2.5V