WaterLogic WL380 Operating instructions

WL380Manual Page39‐Revision:2‐5‐2018
POWERTROUBLESHOOTINGINDEX
1. Red Power Switch and Green Heater & Compressor Switch won't light
2. Red Power Switch and Green Heater & Compressor Switch is lit but the Status LED lights
on the Front are not lit
3. Compressor Runs but does Not Chill
4. Compressor is Not Running
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1. RedPowerSwitchandGreenHeater&Compressor
Switchwon’tlight
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PossibleReason Solution
CircuitBreaker ChecktheCircuitBreaker
FuseisBlown ReplaceFuse.Use15‐ampWaterlogicFuse
Defective/LoosePowerCord

CheckthatPowerCordisproperlypluggedin.Ifitisproperly
pluggedin,useadifferentpowercordtoverify.Useonly
Waterlogicsuppliedpowercord.
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FailedSocket‐PowerLine
NoiseFilter,Electro‐Magnetic
Interferencefilter(EMI)
ReplaceSocket‐PowerLineNoiseFilter,Electro‐Magnetic
Interferencefilter(EMI)
DefectiveRedPowerSwitch ReplaceRedPowerSwitch
DefectiveGreenHeater&
CompressorSwitch ReplaceGreenHeater&CompressorSwitch
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WL380Manual Page40‐Revision:2‐5‐2018
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2. RedPowerSwitchandGreenHeater&CompressorSwitchislitbuttheStatus
LEDlightsonthefrontarenotlit


PossibleReason Solution
BadTransformer ReplaceTransformer
BlackPowerConnectortothe
PCBisnotproperlyconnected Properlyconnect.
BadFrontPCB ReplaceFrontPCB
DefectiveGreenHeater&
CompressorSwitch ReplaceGreenHeater&CompressorSwitch
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3. CompressorRunsbutDoesNotChill
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PossibleReason Solution
Condenserisdirty Cleanthecondensingcoilofanyobstructionsordust.
Reductionofairflowintounit.

Makesureunitisnotunderminimumventilationrequirements
(2to4inchesofclearancearoundtheunitforheatexchange).

Compressorisrunningvery
hot(over150oF)
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Loworlostrefrigerant.
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Refrigerantrechargeasnecessary.SeeSpecificationsfor
refrigerantchargedata.
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WL380Manual Page41‐Revision:2‐5‐2018
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4. CompressorisNotRunning
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PossibleReason Solution
RedPowerandGreenHeater
&CompressorSwitchinthe
O=OFFposition
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TurnGreenHeater&CompressorSwitchon.
I=ON
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ColdThermostatisFaulty
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IsolatePowerandremoveredleadsfromcoldthermostattocheck
continuity.Thermostatshouldbeclosedifsensorisatroom
temperature.Checkforcontinuity.Replacethermostat
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CompressorStartingCircuit
FaultyorOverHeated
(tripped)
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TurnGreenHeater&CompressorSwitchoff.O=OFF.
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Removethecompressorcaponsideofthecompressor;
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Disconnecttheblackandredterminalconnectors;
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Inspectthestarterandoverloadrelayforanydefects.
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CheckwithMulti‐Metertoensure120VACisbeingsuppliedtothe
compressorstarter.TurnONRedPowerandGreenHeater&
CompressorSwitchwithmeterhookedtoredandblack
compressorleads.
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Replacecomponents(s)asneeded.
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