Rheem H95 Direct Vent Indoor Series Use and Care Manual - Page 23

Warning, Danger

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CARING FOR YOUR WATER HEATER VacationandExtendedShutdown WARNING:Failuretodrainthewater heatercancauseseriouspersonalinjuryfromscalding and/orproductdamage. Ifthewaterheateristoremainidleforanextended periodoftime,thepowerandwatertotheheater shouldbeturnedoff. Thewaterheaterandpipingshouldbedrainedifthey might be subjected to freezing temperatures. See "Freeze Protection"sectiononpage22. After an extended shutdown, the water heater's operationandcontrolsshouldbecheckedbya qualified service technician. Care Instructions TroubleshootingChart The informationinthefollowingtroubleshootingchart mayhelpyoudiagnoseand/orfixaproblemyoumaybe experiencing.Pleasereviewthischartbeforecalling forserviceassistance. DANGER:ShockHazard-Makecertain powertothewaterheaterisOFFbeforeremoving protectivecoverforanyreason.Electricshockwill causedeathorseriouspersonalinjury. WARNING:ForYourSafety,DONOT attemptrepairofelectricalwiring,gaspiping remotecontrol,burners,ventconnectors,orother safetydevices.Referrepairstoaqualifiedservice technician. Problem Notenoughornohotwater. PossibleCause 1.UnitisnotON. 2.Watershut-offvalveisnotcompletely opened. 3.Hotwaterfaucetisnotcompletely opened. 4.Waterpipingisfrozen. 5.Electricalpowerisdisconnectedor watersupplyisshutoff. 6.Thetemperaturemaybesettoolow. 7.Mixingvalvemalfunctions(if applicable). 8.Errorcodedisplayedontheremote control. 9.Notenoughwaterdemand. 10.Waterfilteriscloggedordirty. 11.Fixtureaeratoriscloggedordirty. 12.Scalebuildupintheheatexchanger. 13.Hotandcoldwaterlinesreversed. Solution 1.Turnontheunitbypressingthe POWERON/OFFbutton. 2.Checkshut-offvalveandopencom- pletely. 3.Openhotwaterfaucetcompletely. (Themainburnergoesoffwhenincoming watervolumeisinadequate.) 4.Allowpipingtothaw. 5a.Pluginthepowercordorreconnect thepowersupplyatthecircuitbreaker box. 5b.Completelyopenthewatersupplyvalve. (Inadequatewatervolumewillcausethe mainburnertoturnoff.) 6.Increasethetemperaturesetting. 7.Checkandreplacethemixingvalve. 8.See"Service Error Code Chart"on page26.Ifrequired,contacta qualifiedservicetechnician. 9.Increasethehotwaterflowatthe faucet. 10.Cleanthewaterfilter.(Seepage17.) 11.Cleantheaerator. 12.Checkforerrorcode.Ifrequired, contactaqualifiedservicetechnician. 13.Reversethewaterlines. 23

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23
CARING FOR YOUR WATER HEATER
Vacation±and±Extended±Shutdown
WARNING:
±Failure±to±drain±the±water±
heater±can±cause±serious±personal±injury±from±scalding±
and/or±product±damage.
If±the±water±heater±is±to±remain±idle±for±an±extended±
period±of±time,±the±power±and±water±to±the±heater±
should±be±turned±off.
The±water±heater±and±piping±should±be±drained±if±they±
might be subjected to freezing temperatures. See
“Freeze Protection”
±section±on±page±22.
After an extended shutdown, the water heater’s
operation±and±controls±should±be±checked±by±a±
qualified service technician.
Troubleshooting±Chart
The information±in±the±following±troubleshooting±chart±
may±help±you±diagnose±and/or±fix±a±problem±you±may±be±
experiencing.±Please±review±this±chart±before±calling±
for±service±assistance.
DANGER:
±Shock±Hazard±–±Make±certain±
power±to±the±water±heater±is±OFF±before±removing±
protective±cover±for±any±reason.±Electric±shock±will±
cause±death±or±serious±personal±injury.
WARNING:
±For±Your±Safety,±DO±NOT±
attempt±repair±of±electrical±wiring,±gas±piping±
remote±control,±burners,±vent±connectors,±or±other±
safety±devices.±Refer±repairs±to±a±qualified±service±
technician.
Problem
Possible±Cause
Solution
Not±enough±or±no±hot±water.
±±1.±
Unit±is±not±ON.
±±1.±
Turn±on±the±unit±by±pressing±the±
POWER±ON/OFF±button.
±±2.±
Water±shut-off±valve±is±not±completely±±±
±±±±±±±±opened.
±±2.±
Check±shut-off±valve±and±open±±±±com-
pletely.
±±3.±
Hot±water±faucet±is±not±completely±
opened.
±±3.±
Open±hot±water±faucet±completely.±
(The±main±burner±goes±off±when±incoming±
water±volume±is±inadequate.)
±±4.±
Water±piping±is±frozen.
±±4.±
Allow±piping±to±thaw.
±±5.±
Electrical±power±is±disconnected±or±
±±±±±±±water±supply±is±shut±off.
5a.±
±
Plug±in±the±power±cord±or±reconnect
the±power±supply±at±the±circuit±breaker±
box.
5b.±
±
Completely±open±the±water±supply±valve.±
(Inadequate±water±volume±will±cause±the±
main±burner±to±turn±off.)
±±6.±
The±temperature±may±be±set±too±low.
±±6.±
Increase±the±temperature±setting.
±±7.±
Mixing±valve±malfunctions±(if±
±±±±±±±±applicable).
±±7.±
Check±and±replace±the±mixing±valve.
±±8.±
Error±code±displayed±on±the±remote±
±±±±±±±±control.
±±8.±
See±
“Service Error Code Chart”
±on±±
page±26.±If±required,±contact±a±±
qualified±service±technician.
±±9.±
Not±enough±water±demand.
±±9.±
Increase±the±hot±water±flow±at±the±
faucet.
10.±
Water±filter±is±clogged±or±dirty.
10.±
Clean±the±water±filter.±(See±page±17.)
11.±
Fixture±aerator±is±clogged±or±dirty.
11.±
Clean±the±aerator.
12.±
Scale±buildup±in±the±heat±exchanger.
12.±
Check±for±error±code.±If±required,±
contact±a±qualified±service±technician.
13.±
Hot±and±cold±water±lines±reversed.
13.±
Reverse±the±water±lines.
Care Instructions