Error code reference

Bosch Microwave Error Code H98

Self-diagnostic failure code indicating a magnetron and/or inverter circuit problem area; no microwave oscillation detected.

SourceBosch/Siemens/Thermador/Gaggenau Microwave - Full Service Manual25 (Section 11.2)

Bosch codes Bosch microwave codes

Diagnostic procedure

The full H98 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview

First diagnostic step

Program DPC by pressing Clock, Timer, Start, Power Level. Then perform inverter Test1: unplug CN703 from magnetron, program High power for 1 minute, verify oven stops in ~23 seconds and input current is 0.5-1A.

SourceBosch/Siemens/Thermador/Gaggenau Microwave - Full Service Manual25 (Section 11.2)

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More steps, wiring diagram references, and verified part numbers

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Where this code is documented

3 manuals in the MyPros+ library document this code for Bosch microwave.

Models covered by the manuals that document this code

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The full H98 procedure

Where this code is documented

Models covered by the manuals that document this code

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