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Error code reference

Jenn-Air Range Error Code 1c2c

Keyboard disconnected from the control.

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What the 1c2c error code actually means

Your Jenn-Air range is showing this code because the control board has lost its connection to the touch pad you use to set cooking functions. This is usually caused by a loose wire connector between the keypad and the control board. A technician may be able to fix this by simply reseating that connector, or you may need a new keypad.

Diagnostic procedure

The full 1c2c procedure

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1
First diagnostic step
Reseat the membrane keyboard connector to the control. If this does not work, replace membrane switch.
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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Most common causes of 1c2c

Ranked by how often they cause this code
  1. 1Loose membrane keyboard ribbon connector
  2. 2Failed membrane switch
  3. 3Damaged ribbon cable
  4. 4Damaged control board connector port

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Questions people ask about 1c2c

What does 1c2c mean on a Jenn-Air range?
The 1c2c error code means the control board has detected that the membrane keyboard is disconnected or not communicating. This fault points to a break in the signal path between the touch pad panel and the main control board. It can be caused by a loose connector, a damaged ribbon cable, or a failed membrane switch.
Will resetting the range clear the 1c2c error code?
A reset by cutting power to the range may temporarily clear the display, but the 1c2c code will return if the underlying connection issue is not corrected. The fault is tied to an active hardware problem, so the code will reappear as soon as the control board re-checks the keyboard communication line. A proper repair requires addressing the physical connector or replacing the membrane switch.
How much does it cost to repair the 1c2c error on a Jenn-Air range?
If the issue is simply a loose connector that can be reseated, the cost may be limited to a service call fee, typically in the range of $75 to $150. If a membrane switch replacement is needed, parts can range from $50 to $200 or more depending on the specific model, plus labor. Control board replacement, if required, would add significantly to the total cost.
Can I fix the 1c2c error myself, or do I need a technician?
The first diagnostic step, reseating the membrane keyboard ribbon connector, is something a mechanically inclined homeowner can attempt after unplugging the range. However, accessing the connector typically requires removing the control panel, and if the membrane switch needs replacement, some comfort with appliance disassembly is helpful. If you are unsure about working inside the appliance, a qualified technician is the safer option.
Is it safe to keep using my Jenn-Air range while the 1c2c code is showing?
Because the 1c2c fault indicates the keyboard is not communicating with the control board, the range may not accept input commands reliably or at all. Attempting to operate the range in this condition is not recommended, as you may not be able to set or cancel cooking functions properly. The appliance should be repaired before returning to regular use.

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