mypros+
Model reference

Jenn-Air 12104

Cooktop

4 error codes14 service modes
MyPros+ Max

Diagnose your Jenn-Air 12104.

  • Step-by-step diagnostics from the service manual
  • Test values, resistance specs, and wiring references
  • Verified part numbers when replacement is needed
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Error codes (4)

CodeMeaning
DOOR OPENEither refrigerator or freezer door has been open for more than 3 minutes…HIGH TEMPFreezer or refrigerator temperature has exceeded critical level (+15°F for…POWER UPAll temperature indicator lights flash after power is initially plugged in…THERMISTOR ALARMEither freezer or refrigerator thermistor circuit is open; freezer or…

Service modes (14)

  • Electronic Testing - Forced Compressor Start["Press Display On pad to activate control panel.","Simultaneously press and hold Max Frz pad and…
  • Electronic Testing - Forced Defrost Start["Press Display On pad to activate control panel.","Simultaneously press and hold Max Ref and…
  • Electronic Testing Mode - Forced Compressor Start["Press Display On pad to activate control panel.","Simultaneously press and hold Max Frz pad and…
  • Electronic Testing Mode - Forced Defrost Start["Press Display On pad to activate control panel.","Simultaneously press and hold Max Ref and…
  • Forced Compressor Start (Electronic Testing Mode)["Press Display On pad to activate control panel.","Simultaneously press and hold Max Frz pad and…
  • Forced Defrost (from Program Mode B)["Enter Program Mode B.","Press and hold the Alarm Off pad for 3 seconds."]
  • Forced Defrost Start (Electronic Testing Mode)["Press Display On pad to activate control panel.","Simultaneously press and hold Max Ref and…
  • Forced Pulldown / Compressor Start (from Program Mode B)["Enter Program Mode B.","Press and hold Max Frz pad for 3 seconds."]
  • Program Mode A - Temperature Reading["Open refrigerator door.","Press Display On pad.","Press * pad.","Within 6 seconds press the…
  • Program Mode A (Thermistor Temperature Reading)["Open refrigerator door.","Press Display On pad.","Press * pad.","Within 6 seconds press the…
  • Program Mode B - Forced Defrost["Enter Program Mode B.","Press and hold the Alarm Off pad for 3 seconds."]
  • Program Mode B - Forced Pulldown (Compressor Start)["Enter Program Mode B.","Press and hold Max Frz pad for 3 seconds."]
  • Program Mode B - Programming Functions["Open refrigerator door.","Press Display On pad.","Press * pad.","Within 6 seconds press the…
  • Program Mode B (Programming Functions)["Enter Program Mode A first (Open refrigerator door, Press Display On, Press *, Press Max Ref, Max…

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

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