Jacuzzi J-SP180W - Page 35

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 JacuzziSignatureWaterHeatersJ‐S180/J‐S199 35
Code DefinionRemedy
19 ElectricalGrounding
licensed
professional
only

Checkallcomponentsforelectricalshort.
32
OutgoingWater
TemperatureSensor
Checksensorwiringfordamage.
Measureresistanceofsensor.
Cleansensorofscalebuild‐up.
Replacesensor.

33
HeatExchangerOutgoing
TemperatureSensor
34
AirTemperatureSensor
Fault(Indoormodelsonly)
Checkforrestricons inairflowaroundunitandventterminal.
Checksensorwiringfordamage.
Measureresistanceofsensor.
Cleansensorofscalebuild‐up.
Ensurefanbladeisghtonmotorshaandisingoodcondion.
Replacesensor.
41
Outsidetemperature
thermistor(outdoor
modelsonly)
Checksensorwiringfordamage.
Measureresistanceofsensor.
Cleansensorofscalebuild‐up.
Replacesensor.

51
Inletwatertemperature
thermistor(RL94only)
52
ModulangSolenoidValve
Signal
Checkmodulanggassolenoidvalvewiringharnessforlooseordamagedterminals.
Measureresistanceofvalvecoil.
57 Burner

Contactaserviceprovider.
licensed
professional
only

61 CombusonFan
Ensurefanwillturnfreely.
Checkwiringharnesstomotorfordamagedand/orlooseconnecons.
Measureresistanceofmotorwinding.
65 WaterFlowControl
Thewaterflowcontrolvalvehasfailedtocloseduringthebathfillfuncon.Immediatelyturn
offthewateranddisconnuethebathfillfuncon.Contactalicensedprofessionaltoservice
theappliance.
70 PCBoard
CheckPCboardDIPswitchesforcorrectposion.
Checktheconneconharnessatthe connecononthePCboard.
ReplacePCboard.
71 SolenoidValveCircuit
ReplacethePCBoard.
72 FlameSensingDevice
Verifyflamerodistouching flamewhenunitfires.
Checkallwiringtoflamerod.
Removeflamerodandcheckforcarbonbuild‐up; cleanwithsandpaper.
Checkinsideburnerchamberforanyforeignmaterialblockingflameatflamerod.
Measuremicroampoutputofsensor
circuitwithflamepresent.
Replaceflamerod.
79 WaterLeakDetected
Waterhasbeendetectedattheboomoftheunit.Turnoffwatersupply. Checkallplumbing
internallyforleakage.
LC#
(LC0,
LC1,
LC2,…)
ScaleBuild‐upinHeat
Exchanger(whenchecking
maintenancecodehistory,
“00”issubstutedfor
“LC#”)

LC0~LC9indicatesthatthereisscalebuild
upintheheatexchangerandthattheheat
exchangerneedstobeflushedtopreventdamage.Refertotheflushinginstruconsinthe
manual.Hardwatermustbetreate dtopreventscalebuildupordamagetotheheat
exchanger.
Tooperatethewaterheatertemporarilyunl
theheatexchangercanbeflushed,pushthe
Powerbuononthetemperaturecontroller5mes.RepeatedLCcodeswilleventuallylockout
thewaterheater.
PleasecallJacuzzitechnicaldepartment(1‐888‐835‐9320)
.
FF MaintenancePerformed Indicatesaserviceproviderperformedmaintenanceorcorrectedanissue.
No
code
Nothinghappenswhen
waterflowisacvated.

Cleaninletwatersupplyfilter.
Onnewinstallaonsensurehotandcoldwaterlinesarenotreversed.
Verifyyouhaveatleasttheminimumfl
owraterequiredtofireunit.
licensed
professional
only
Checkforcoldtohotcrossover.Isolatecirculangsystemifpresent.Turnoffcoldwatertothe
unit,openpressurereliefvalve;ifwaterconnuestoflow,thereisbleedoverinyourplumbing.
Verifyturbinespinsfreely.
Measuretheresistanceofthewaterflowcontrolsensor.

Ifthedisplayisblankandclickingiscomingfromtheunit,disconnectthewaterflowservo
motor(GY,BR,O,W,P,BL,R).Ifthedisplaycomesonthenreplacethewaterflowservo
motor.