
WL270Manual Page51–Revision3‐4‐2019
HOTWATERTROUBLESHOOTINGINDEX
Hot Water Problems
1. Hot Water is not Hot 83°C (181° +/- 5°F)
Also includes related instructions for Resetting the Hot Tank Overload or High Limit
Safety
1. HotWaterisnotHot83°C(181°+/‐5°F)
NOTE:TheWL270WaterTreatmentSystemdoesNOThaveSleeporPowerSavingModeandthe
hotwatershouldbeaminimumof181°Fundernormaloperatingconditions.
TheHottemperaturesetpointis181°Fandiscontrolledbyathermostatonthesideofthetank.
Thereisaresettableoverloadorhighlimitsafetyabovethethermostatonthesideofthetankthat
willtriptopreventdamagetotheunitifthetankisdryheated(turnedonwithoutwaterinit).
TheWL270WaterTreatmentSystemdoesNOThaveExtraHotcapabilityandthemaximumhot
temperatureis186°F.
Ittypicallytakes10minutesforthe600WHotTanktoheatthe1.6Literofroomtemperature
(ambient)watertothe83°C(181°F)setpoint.
PossibleReason Solution
Nopowertoheaterelements
CheckthattheRedHeaterandCompressor
switchison.
TurnRedHeaterandCompressorSwitchon.
I=ON
HotTankOverloadDevices
(HighSafetyLimit)tripped
HotTankOverloadDevices
(HighSafetyLimit)isasafety
featuretoensurethetank
doesnotoverheat.
HotTankOverloadDevices(HighSafetyLimit)will“click”
whenpushed.TheHotTankOverloadDevices(HighSafety
Limit)areautomaticallyresetwhenpressed.
SeeResetting HotTankOverloadDevices(HighSafetyLimit)
Instructionsthatareincludedfurtherbelowinthis
TroubleshootingSection
HotTankOverloadDevices
(HighSafetyLimit)“open”on
HotTank
TurnPoweroff.
CheckOHM’sresistanceacrossterminalsoneachoftheHot
TankOverloadDevices(HighSafetyLimit)separately.Good
componentswillindicateaclosedcircuitorzeroOHM’son
themeter.
Replacecomponentsasnecessary.