Specifications

TroubleshootingGuide
25|Page
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CHECKINGTHEOVERHEATCUTOFFFUSE(OH CF):
1) LocatethewhiteOHCFwhichwrapsaroundtheheatexchanger.
2) Findthewhiteclipattheendofthetwoblue braidedwirescomingfromtheOHCF.
3) Unplugtheconnection.
4) TestforcontinuityattheendoftheOHCFwithanohmmeter.Ifthereiscontinuity,the
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OHCFisstillintact.Reconnecttheplug.Ifthereisnocontinuity,theOHCFhasbeen
compromised.Ifcompromised,contactthetechnicalservicedepartmentforfurther
assistance.
5) Ifanohmmeterisnotavailable,jumptheplugconnectionontheoppositesideoftheOHCF
withawire,paperclip,
orothermetalmaterial.
6) Restorepowerandtestunit.Beverycautiouswiththisstep.
7) Iftheunitfiresup,itshowsthattheOHCFhasbeencompromisedandtheproblemwaswith
theOHCF.Ifso,contactthetechnicalservicedepartmentforfurtherassistance.Iftheunit
does
notfireup,itshowsthatthecauseofthe111or121errorcodeissomethingelse.
Continuewiththe111or121errorcodesectionsofthisguideforfurthertroubleshooting. 
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Figure24