Panasonic NN­GS595A - 7.4 Digital Programmer Circuit Troubleshooting

10/24/2016 XMLServiceManual
file:///C:/Users/sh.dehghani/Desktop/NNGS595AOTSVC_PHAMOS0511035C3/viewing/SGML_VIEW_DATA/OT/NNGS595A/SVC/PHAMOS0511035C3/inde…
4/6
Thisovenisprogrammedwithaselfdiagnosticsfailurecodesystemwhichwillhelpfortroubleshooting.H95,H97,H98andH99
aretheprovidedfailurecodestoindicatemagnetronandinvertercircuitproblemareas.ThissectionexplainsfailurecodesofH95,
H97,H98andH99.First,youmustprogramtheDPCintoTESTMODE,pressTimer/Clockpadtwice→PressStartpadonce→
pressMicroPowerpadonce.Programunitforoperation.H95,H97,H98,H99appearsindisplaywindowashorttimeafterstart
keyispressedandthereisnomicrowaveoscillation.
AlternatewaytotroubleshootovenwithACAmperemeterused
H95,H97,H98,H99appearsindisplaywindowashorttimeafterstartkeyispressedandnomicrowaveoscillationwithAC
Amperemeterusedfortroubleshooting.
7.4TroublerelatedtoDigitalProgrammerCircuit