Error code reference

Maytag Microwave Error Code CALL SErv

Amperage monitoring system on H.V. Board has detected a fault: may also appear after a power interruption while oven is operating.

SourceMaytag Commercial Microwave - Tech Sheet: RC5 Series (240/230V, 50Hz)p. 9

Diagnostic procedure

The full CALL SErv 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
1
First diagnostic step
Reset CALL SErv via Service Test procedure (pad 0). Place water load inside cavity and use pre-programmed pad to operate oven for 30 seconds or more. If CALL SErv reappears, use Service Test procedure to operate each H.V. system independently to isolate fault. Replace H.V. Board if CALL SErv will not clear.

SourceMaytag Commercial Microwave - Tech Sheet: RC5 Series (240/230V, 50Hz)p. 9

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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