Model reference
Jenn-Air W121-C
Oven
8 documents21 error codes4 service modes
Available documentation
Service Manual
- Service Manual - 16000445182 pg
Tech Sheet
- Tech Sheet - 1009682512 pg
- Fiche technique8 pg
Service Flash
- Jennair Electric Wall Ovens Service Flash Information144 pg
Tech Tip
- Instruction Sheet - 82035452 pg
Other
- 16000445.pdf182 pg
Installation Guide
- Installation Instructions20 pg
- Instrucciones de instalacion52 pg
MyPros+ Max
Diagnose your Jenn-Air W121-C.
- Step-by-step diagnostics from the service manual
- Test values, resistance specs, and wiring references
- Verified part numbers when replacement is needed
Start diagnosing
$29/month · Cancel anytime · Or $9.95 3-day pass
Error codes (21)
CodeMeaning
DoorDoor Interlock Primary Switch issue.Err1Failed H.VErr2Failed H.VErr3Failed H.VErr4Failed H.VErr5Shorted Touch Panel.Err6Failed H.VF0Shorted key failureF1Watchdog circuit failure detected in the element relay circuits, activates a…F1E4ACU PCBA failure.F2Heating runaway temperature failureF2E1Stuck key failure.F3Shorted oven temperature sensorF4Open oven temperature sensorF4E4Humidity sensor error.F5Shorted temperature probe, jack or harness.F6EEPROM checksum incorrectF7Clean/lock circuit failureF8Door lock motor inoperativeF8E5Exhaust air temperature detector failure.HOTThermal cutout has tripped due to overheating conditions (open magnetron TCO…Service modes (4)
- Diagnostic/Test Mode["Plug in microwave oven or reconnect power.","Press the Cancel keypad to standby (colon ':'…
- Fast Test (W156, W256, W256-C, W276, W156-C electronic models)["On power up of the control, press and hold the COOK TIME 1 key (or COOK TIME key on single oven)…
- Keyboard Diagnostic (W181, W188, W188-C, W198, W198-C models)["Press Clock","Press 9","Press 7","Press 5","Press 3","Press Start","Display shows r:1"]
- Service Test Mode["Unit must be in OFF condition or INITIAL power up mode.","Close oven door.","Press the Hidden Pad…
Full entry steps, exit procedures, and test sequences are available in Max.
Related Jenn-Air oven models
78,000+ service manuals · 160,000+ error codes · 55+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass