Whirlpool Energy Smart Residential Electric Water Heater Installation Instructions And Use & Care Manual page 14

Diagnostic Code Chart
DIAGNOSTIC LIGHT INDICATES CORRECTIVE ACTION*
LIGHTON Normaloperation None
NO LIGHT Nopowerto controlboardor diagnostic 1. Checkfor blownfuses or trippedbreaker
lightburnedout 2. Checkpower leadson controlboardwith meterfor 240 volts
3. If poweris okay,replacecontrol board
1 FLASH Poweron with no waterin tank 1. Addwater andresettemperaturecontrolsystem.See"Reset
Function"on page 10
2 FLASHES Watertemperatureexceededhigh limit 1. Makesure upperandlower accessdoors and insulationare
properlyin place
2. Checkelementcircuitsfor resistanceof 5 - 25 ohms
3. Replaceelementif necessaryand resetcontrolsystem
3 FLASHES Sensorfailure 1. Removepower
2. Checktemperaturesensorfor openor shortedcircuit
3. If no problemis found,replacesensors
4 FLASHES Upperelementcircuitfailure 1. Removepower
2. Checkelementcircuit for resistanceof 5 - 25 ohms
3. Checkwiresat elementandboardfor damage
4. If this 4 flashesconditioncontinues,replacecontrolboard
5 FLASHES Lowerelementcircuitfailure 1. Removepower
2. Checkelementcircuit for resistanceof 5 - 25 ohms
3. Checkwiresat elementandboardfor damage
4. If this 5 flashesconditioncontinues,replacecontrolboard
*These instructions are brief and intended as guidance for a qualified service technician. If you lack the necessary
skills to perform these procedures call 1-877-817-6750 for assistance.
14
Troubleshooting Chart
PROBLEM POSSIBLE CAUSE(S) CORRECTIVE ACTION
NO HOTWATER 1. Nopowerto heater 1. Referto "No Light"of DiagnosticCodeChart
2. Hightemperaturelimitshut-down 2. Referto "2 Flashes" of DiagnosticCode Chart
3. Defectivesensor 3. Referto "3 Flashes" of DiagnosticCode Chart
INSUFFICIENT HOT WATER
HIGH OPERATION COSTS
1. Defectivelowerelement
2. Temperature set too low
3. Sedimentor limein tank
4. DefectiveDip Tube
5. Heatertoo smallfor job
6. Wrongpipingconnections
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
1.
2.
3.
4.
5.
7. Leakingfaucets
8. Wasted hot water
9. Longrunsof exposedpipe
10.Hotwaterpipingon outsidewall
1. Temperature set too high
2. Sedimentor limein tank
3. Heatertoo smallforjob
4. Leakingfaucets
5. Wasted hot water
6. Longrunsof exposedpiping 6.
7. Hotwaterpipingin exposedwall 7.
1. Upperelementdefective 1.
2. Leakingfaucets 2.
1. Excessivewaterpressure 1.
2. Closedsystem 2.
3. DefectiveT & P valve 3.
1. Sulfidesinthe water 1.
Referto "5 Flashes" of DiagnosticCode Chart
Set temperatureto desiredsetting
Drain.Determineif water treatmentis needed
ReplaceDip Tube
Checkand Installadequatewater heater
Correctpiping
Repairfaucets
Advisecustomer
Insulatepiping
Insulatepiping
Lowertemperaturecontrolor changeto EnergySaverMode
Drain.Flush-Provide water treatmentif needed
Install adequateheater
Repairfaucets
Advisecustomer
Insulatepiping
Insulatepiping
SLOW HOTWATERRECOVERY Referto "4 Flashes" of DiagnosticCode Chart
Repairfaucets
DRIPFROMT&P VALVE Usepressurereducingvalve andpressurereliefvalve(See page
6)
Seepage 6, "ClosedSystem/Thermal E xpansion"
ReplaceT & Pvalve
WATERODOR Seepage 11,"Water Odor"