WaterLogic WL350 Operating instructions

WL350Manual Page56–Revision11‐21‐2018

POWERTROUBLESHOOTINGINDEX



1. Red Heater & Compressor Power Switch won't light and the Red LED on the Front

won't light

2. Red Heater & Compressor Power Switch is lit but the red LED on the Front is not lit

3. Compressor Runs but does Not Chill

4. Compressor is Not Running



1. RedHeaterandCompressorPowerSwitchwon’tlightandtheRedLEDonthe

Frontwon’tlight



PossibleReason Solution

CircuitBreaker ChecktheCircuitBreaker

FuseisBlown Replace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.

FailedSocket‐PowerLine

NoiseFilter,ElectroMagnetic

Interferencefilter(EMI)

ReplaceSocket‐PowerLineNoiseFilter,ElectroMagnetic

Interferencefilter(EMI)

DefectiveRedHeater&

CompressorSwitch ReplaceRedHeater&CompressorSwitch



WL350Manual Page57–Revision11‐21‐2018



2. RedHeater&CompressorPowerSwitchislitbuttheRedLEDontheFrontis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RedHeater&

CompressorSwitch ReplaceRedHeater&CompressorSwitch



3. CompressorRunsButDoesNotChill



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).

Compressorisrunningvery

hot.

Loworlostrefrigerant.



CounterTopshouldbe40grams(1.41ounces)

Towershouldbe65grams(2.29ounces)



Refrigerantrechargeasnecessary.





WL350Manual Page58–Revision11‐21‐2018



4. CompressorisNotRunning



PossibleReason Solution

RedHeater&Compressor

Switchbuttononunitisinthe

offposition



TurnRedHeater&CompressorSwitchon.

I=ON



CompressorStartingCircuit

TurnRedHeater&CompressorSwitchoff.O=OFF.



Removethecompressorcaponsideofthe

compressor;



Disconnecttheblackandredterminalconnectors;



Inspectthestarterandoverloadrelayforanydefects.



Replacecomponents(s)asneeded.



TurnRedHeater&CompressorSwitchonI=ONand

retestcompressoroperation.





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