Rheem RTGH-RH11DV - Chapter 4: Troubleshooting - DIP Switch Settings; Er:73 DIP Switch Setting Abnormality

75
Errorcode Meaning Condition
DIPSwitchSettingAbnormality
(Automaticrestore)
WhenDipswitchissetabnormally,
errorcode73willappear.
Failureevent
ThiserroroccursiftheDipswitchesonthecircuitboardarechangedormovedwhenthewaterheateris
pluggedintopower.
Checkpoint
①Setaccuratelybycheckingcapacityontheratingplateattachedtothesideofwaterheaterand
DipSwitchspeci󰘰cationlistedonthemanual.
DipSwitch State
5 GasType NG : ON LP:OFF
6 High Fire 6: ON 7: OFF
7 LowFire 6: OFF 7: ON
6,7 NormalFire 6: OFF 7: OFF
②Toresetthiserrorcode,thepowerneedstobedisconnectedandthenreconnected.
Chapter4Troubleshooting
Fire
199,000Btu
(LP)
180,000Btu
(LP)
199,000Btu
(NG)
180,000Btu
(NG)
High
Fire
Low
Fire
Normal
Fire