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Error code reference
Whirlpool Microwave Error Code ERR B
No pulses from the weight sensor or frequency less than 4267 Hz.
SourceWhirlpool AT 325/ALU Microwave - Full Service Manualp. 3
Diagnostic procedure
The full ERR B 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
Check connection between electronic board and weight sensor. If OK, check mechanical parts of weight sensor (rubber membrane, piston, metal sensor plate). If OK, replace weight sensor board and recalibrate.
SourceWhirlpool MT 264/1 Microwave - Service Manualp. 3
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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Where this code is documented
16 manuals in the MyPros+ library document this code for Whirlpool microwave.
Models covered by the manuals that document this code
- 6MT744/WH
- 6MT744IXWH
- 853801899261
- 853804299281
- 853804299481
- 853804699281
- 853804899281
- 853825599481
- 853825599631
- 853826499281
- 858731699291
- 858732599291
- 858732599691
- AMW461IX
- AT310/AL
- AT315/P/WHITE
- AT316/WHITE
- AT325/ALU
- AT325/WH
- MAX18/AW
- MT245/1/WH
- MT255/BLACK
- MT255/SILVER
- MT264/1/WHITE
More models are covered than are listed here.
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