9.2. Troubleshooting of inverter circuit (U) and magnetron
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 Clock button once
→
press Timer button once
→
Press Start button once
→
press Micro Power button once. Program unit for operation. H95, H97, H98, H99 appears in
display window a short time after [Start] button 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] button is pressed and no microwave oscillation with AC
Ampere meter used for troubleshooting.
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NN-GD391S / NN-GD371M
Summary of Contents for NN-GD391S
Page 2: ...2 NN GD391S NN GD371M ...
Page 3: ...3 NN GD391S NN GD371M ...
Page 5: ...1 FEATURE CHART 2 CONTROL PANEL 5 NN GD391S NN GD371M ...
Page 6: ...3 SCHEMATIC DIAGRAM 3 1 NN GD371M KTE PTE 6 NN GD391S NN GD371M ...
Page 7: ...3 2 NN GD391S ZPE GD371M ZPE 7 NN GD391S NN GD371M ...
Page 16: ...6 Remove 2 screws holding H V inverter on the inverter bracket 16 NN GD391S NN GD371M ...
Page 26: ...10 EXPLODED VIEW AND PARTS LIST 10 1 EXPLODED VIEW 26 NN GD391S NN GD371M ...
Page 34: ...11 DIGITAL PROGRAMMER CIRCUIT 11 1 SCHEMATIC DIAGRAM 34 NN GD391S NN GD371M ...
Page 35: ...35 NN GD391S NN GD371M ...
