GE ZV800SJSS Technical Service Manual

Also see for MONOGRAM ZV800BJBB: Dimensions and specifications

Contents

– 19 –TroubleshootingPBC Location CheckCN1 Fan Motor See Motor Test ChartCN2 Transformer (Primary) 120 VAC 7 ΩCN3 Capacitor Fan Motor 25μfdCN4A Triac 1.3 VAC Min. Gate VoltageCN4B Transformer (Secondary) 12 VAC .3 ΩCN5 Ribbon See Ribbon TestSERVICE DIAGNOSTIC FLOW CHARTPUSH BUTTONS STUCK?PUSH BUTTONS STUCK?NONOYESYESUNSTICK/ADJUSTNOTE #2ORDER/INSTALLENTRY/DISPLAYSUBASSEMBLYHOOD CONTROLDEAD?YESNO • TURN HOUSE CIRCUIT• BREAKER OFF, THEN ON• IS CONTROL OPERATION OK?YES DONENONO~= 120V ACAT HOOD?YES FIXWIRINGDONEINSPECTPCB INBLACKBOXNOTE #1NO YESDONEHOODOK?NO~= 12V ACAT CONNECTOR(CN4B) INBLACKBOX?YESORDER/INSTALLENTRY/DISPLAYASSEMBLY& CONTROLPCBSORDER/INSTALLTRANSFORMERYES NO FIXWIRING~= 120V ACATTRANSFORMERPRIMARY?DONEYES FANOK?NOYES FAN BLADESBLOCKED?FIX/ORDERMOTORNOCHECK IF 120V ACIS PRESENT AT MOTORTERMINAL BLOCK(IN LEFT BLACK BOX)NOYESORDERMOTORINSPECTPCB INBLACKBOXNOTE #1HOODOK?NODONEORDER/INSTALLENTRY/DISPLAYASSEMBLY& CONTROLPCBSNOLIGHTSOK?DONE NO HOODLIGHTSFLICKERING?YESYESCHECK/MODIFYTRIACCONNECTIONSHOODLIGHTSFLICKERING?YESNOORDER/INSTALLCONTROLPCBSLIGHTSALWAYSON?YES NOREMOVETRIACORANGELEAD LIGHTSON?YES NOORDER/INSTALLTRIAC• TURN OFF THE LIGHT• FOR 1 MINUTE• IS CONTROL OPERATION OK?YESCHECK IF 120V ACIS PRESENT AT MOTORTERMINAL BLOCKORDER/INSTALLENTRYSUBASSEMBLYORDER/INSTALLENTRYASSEMBLY& CONTROLPCBSORDER/INSTALLENTRYASSEMBLY& CONTROLPCBSNote # 1: Check parts in the black boxes as follows:All connectors are locked in place and no leads are broken.Connector solder joints are not broken on PCB copper side.Capacitor (25uF 250V AC); Check that the capacitor is notopen or shorted by using a VOM.Note # 2: Check for button protrusion through the hood holesand that he buttons have “movement”.

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