WaterLogic WL350 Operating instructions

WL350Manual Page56–Revision11‐21‐2018
POWERTROUBLESHOOTINGINDEX
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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
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1. RedHeaterandCompressorPowerSwitchwon’tlightandtheRedLEDonthe
Frontwon’tlight
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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
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WL350Manual Page57–Revision11‐21‐2018
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2. RedHeater&CompressorPowerSwitchislitbuttheRedLEDontheFrontisnot
lit

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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
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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).
Compressorisrunningvery
hot.
Loworlostrefrigerant.
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CounterTopshouldbe40grams(1.41ounces)
Towershouldbe65grams(2.29ounces)
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Refrigerantrechargeasnecessary.
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WL350Manual Page58–Revision11‐21‐2018
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4. CompressorisNotRunning
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PossibleReason Solution
RedHeater&Compressor
Switchbuttononunitisinthe
offposition
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TurnRedHeater&CompressorSwitchon.
I=ON
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CompressorStartingCircuit
TurnRed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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Replacecomponents(s)asneeded.
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TurnRedHeater&CompressorSwitchonI=ONand
retestcompressoroperation.
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