USSC 5660 - Component and Safety Switch Troubleshooting

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TROUBLESHOOTING‐continued
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DoorGlasshassootbuildupatafastrateandflameislazywithblacktips.
 Theventpipe(includingairintake)maybedirtyorpartiallyblockedrestrictingairflowtotheunit.
 Theintakebutterflyvalvemightbesetattoolowposition.(seepage15)
 Burnpotholesareblocked.Lettheunitcoolandcleanburnpotandburnpotliner(besuretofollow
instructionsfordisposalofashesfoundonpage29)
 Circuitboardmalfunction.Timethefuelfeedlightateachsetting(after thestove hascompletedthe
initial "Start Up" sequence. Check the timing against the timing chart (found below), if the auger
motorrunsconstantlythereisaproblemwiththecircuitboard
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 Combustion/Exhaust bloweris not operating.Checkthe combustion/exhaustblower isoperating.If
not,bypasstheexhausttemperatureswitch.Ifthemotoroperates,replacetheexhausttemperature
switch.Ifthecombustion/exhaust blowerstilldoesnotwork,apply120voltsdirectlytotheexhaust
blowermotor.Ifthemotorstilldoesnotwork,replacetheexhaustblowermotor.
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 Poor fuel quality. The type of pellets being used may be of poor quality. If possible, try a different
brandofpellets(refertofueltypeinformationonpage3).
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ControlBoardTiming
Heatlevel1
Augeron2seconds Augeroff5seconds
Heatlevel2 Augeron3seconds Augeroff3seconds
Heatlevel3 Augeron5seconds Augeroff3seconds
Heatlevel4 Augeron7seconds Augeroff3seconds
Heatlevel5 Augeron10seconds Augeroff3seconds
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