Instruction Manual

4
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TROUBLESHOOTING
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!DANGER
• Alwaysdisconnectpowerbeforeservicing.
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!CAUTION
• Alwaysconfirmagoodground(earth)connection.
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!WARNING
• Servicingshouldonlybeperformedbypersonstrain edand qualifiedtocompletetheservicing.Only
qualifiedprofessionalservicetechniciansorelectriciansshouldperformservicinginvolvingelectrical
circuits.Followalllocalandnationalregulationswhencompletingservicing.
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SYMPTOM POSSIBLECAUSE(S) CORRECTIVEACTION
Dryerfailstostart
Nopowertotheunit
• Checkifpoweris“ON”.
• Checkelectricalconnections.
Sensorobstruction
• Checksensorlensforforeignmaterialordirt.Clean
lenswithsoftdampclothandmildcleaningagent.
• Iflensisdamagedorscratched,replaceit.
Faultycircuitboardand
sensor
• ListenforPCBrelay”click”.Ifnot“click”isheard,
replacethePCBandsensor.
Faultymotor
• Ifrelay“click”isheard,butunitdoesnotstart,replace
themotorassembly.
Dryerwillnotshut‐
offorrunsfor20‐30
seconds,thenwill
notre‐start
Sensorobstruction
• Checksensorlensforforeignmaterialordirt.Clean
lenswithsoftdampclothandmildcleaningagent.
• Iflensisdamagedorscratched,replaceit.
Sensorreceivingfalse
signalorreflection
• Handdryershouldbemountedaminimumof18in.
aboveareflectivesurface.
• Checkifotherinfraredappliancesinthevicinitymaybe
triggeringthedryer.
• ReplacethePCBandsensor.
Dryer“Ghosts”
startswithnohands
present
Fluctuatingpowersupply
• Multiplehanddryersononecircuitordryerssharinga
lightingcircuit.Automatichanddryersmustbeon
dedicatedcircuits.
• Buildingwiringmaybeinsufficientgaugeortoolongof
arunfromthesupply.
Motornoisyor
vibration
Dryermountonwallloose
• Checkifmountingscrewsaretightanddryerissolidto
wall.
Faultymotorandfan
• Replacemotorandfanassembly.