Model reference

Jenn-Air JER8785RAS

Name: Jenn-Air JER8785RAS
Brand: Jenn-Air

Range

3 documents32 error codes27 service modes

Available documentation

Tech Sheet

Electric Freestanding Range—Technical Information11 pg
Covers this model

Service Manual

Electric Freestanding Range Base Manual36 pg
Covers this model
Service Manual - Electric Freestanding Range36 pg
Covers this model

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Test values, resistance specs, and wiring references
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M+

M+ Max·Jenn-Air Range

1c1c on my Jenn-Air JER8785RAS

M+

Shorted key detected on control panel.

From Tech Sheet W18548524, p.16:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure control board supply voltage at test points. Expected: 12 VDC and 5 VDC.

3.Inspect all connectors on the main control for corrosion or backed-out pins.

Part WPW10804018

Electronic control board

Error codes (32)

CodeMeaning

1c1cShorted key detected on control panel.1c2cKeyboard tail disconnected from control board.1c31Cancel key circuit problem (upper oven or single cavity).1c32Cancel key circuit problem (lower oven cavity).1c4cBoard-to-board communication failure.1c6cEEPROM error 1c7cControl not calibrated 1c81EEPROM CRC error in Cook Profile.1c8cCooking program error 1d11Runaway oven temperature (650°F) detected with door unlocked (upper/single…1d12Runaway oven temperature (650°F) detected with door unlocked (lower cavity).1d21Runaway oven temperature (950°F) detected with door locked (upper/single…1d22Runaway oven temperature (950°F) detected with door locked (lower cavity).3d11Oven temperature sensor open circuit (upper/single cavity).3d12Oven temperature sensor open circuit (lower cavity).3d21Oven temperature sensor shorted (upper/single cavity).3d22Oven temperature sensor shorted (lower cavity).3d41Meat probe shorted.3d51Meat probe not calibrated.4d11Door switch position failure 4d12Door switch position failure 4d21No reverse airflow fan rotation (no or low RPM) during clean or cook.4d31Reverse airflow fan running when it should be off.4d41Cooling fan overspeed condition detected.4d51Door switch circuit failure 4d52Door switch circuit failure 9d11Door latch will not lock 9d12Door latch will not lock 9d21Door latch will not unlock 9d22Door latch will not unlock

View all 32 error codes

9d31Door latch state unknown 9d32Door latch state unknown

Service modes (27)

24 Hour Clock Toggle (H1 Control)["Press and hold Cancel and Favorites pads for 3 seconds."]
24 Hour Clock Toggle (M1 Control)["Press and hold Cancel and Delay pads for 3 seconds."]
24 Hour Clock Toggle (M2 Control)["Press and hold Cancel and Favorite pads for 3 seconds."]
Child Lockout["Press and hold Cancel and Cook & Hold pads for 3 seconds.","'OFF' displays where temperature…
Clock Display Toggle (On/Off)["Press and hold Cancel and Clock pads for 3 seconds."]
Control LockoutPress the Back and Setup pads simultaneously for 5 seconds to lock.
Control ResetPress and hold the Back and Enter pads for 5 seconds to enter SERVICE menu options
Demo ModePress the Setup pad, then press the right ATM pad until DEMO displays
Diagnostic Code Display (H1 Control)Press and hold AUTOSET pad for 3 seconds at power-up
Diagnostic Code Display (M1/M2 Control)Press and hold Up Arrow pad and power up the unit simultaneously
Diagnostic Code Display Mode (H1 Control)["Press and hold the AUTOSET pad for 3 seconds at power-up (during Power On Reset).","Cycle through…
Diagnostic Code Display Mode (M1/M2 Control)["Press and hold the Up Arrow pad while powering up the unit.","Cycle through stored codes using…
Display TestPress and hold the Back and Enter pads for 5 seconds to enter SERVICE menu options
Factory Default Reset["Press and hold Cancel and Keep Warm pads for 3 seconds."]
Faults AccessPress and hold the Back and Enter pads for 5 seconds to enter SERVICE menu options
Oven Temperature Adjustment (H1 Control)["Press BAKE pad.","Enter 550 on the digit-pad.","Immediately press and hold BAKE pad for 3…
Oven Temperature Adjustment (M1/M2 Control)["Press BAKE pad.","Enter 550 using slew pads.","Immediately press and hold BAKE pad for 3…
Quick Test1
Quick Test (H1 Control)1
Quick Test (M1/M2 Control)1
Quick Test Mode (H1 Control)["Press and hold CANCEL and BROIL pads simultaneously for 3 seconds.","Once the control has entered…
Quick Test Mode (M1/M2 Control)["Press and hold CANCEL and BROIL pads simultaneously for 3 seconds.","Once the control has entered…
Sabbath Mode["Hold CLOCK pad for 3 seconds to activate Sabbath mode.","'SAb' will be displayed and flash for 5…
Service ModePress the Setup pad, then press the right ATM pad until SERVICE displays
Software Versions AccessPress and hold the Back and Enter pads for 5 seconds to enter SERVICE menu options
Temperature Display Toggle (F/C)["Press and hold Cancel and Bake pads for 3 seconds."]
Test AccessPress and hold the Back and Enter pads for 5 seconds to enter SERVICE menu options

Full entry steps, exit procedures, and test sequences are available in Max.

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