9.3. 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 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] pad 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] pad is pressed and no microwave oscillation with AC
Ampere meter used for troubleshooting.
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NN-GF574S / NN-GF574M
Summary of Contents for NN-GF574M
Page 2: ...2 NN GF574S NN GF574M ...
Page 3: ...3 NN GF574S NN GF574M ...
Page 5: ...1 FEATURE CHART 2 CONTROL PANEL 5 NN GF574S NN GF574M ...
Page 6: ...3 SCHEMATIC DIAGRAM 6 NN GF574S NN GF574M ...
Page 25: ...10 EXPLODED VIEW AND PARTS LIST 10 1 EXPLODED VIEW 25 NN GF574S NN GF574M ...
Page 31: ...11 DIGITAL PROGRAMMER CIRCUIT 11 1 SCHEMATIC DIAGRAM 31 NN GF574S NN GF574M ...
Page 32: ...32 NN GF574S NN GF574M ...
