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Error code · Range

Whirlpool 1C4C Range Display: Oven Control Wiring Review

The code 1C4C on a Whirlpool freestanding or slide-in range, such as the WFG515S0ES or WFE515S0ES, tells us the oven control or its wiring has reported a problem. Think of it as a message from the…

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Code
1c4c
Appliance
Range
Brand
Whirlpool
Warranty
30-day workmanship

What 1c4c means

The code 1C4C on a Whirlpool freestanding or slide-in range, such as the WFG515S0ES or WFE515S0ES, tells us the oven control or its wiring has reported a problem. Think of it as a message from the control that something in its own circuit is not right. The oven may stop heating or refuse to start while 1C4C stays on the display. Gas and electric ranges both use this code.

Common causes of 1c4c

  • The oven control board
  • Wiring between the control and the rest of the range
  • Connector contacts that have loosened over time
✓ One safe check you can try

1. At the breaker panel, shut the range off for one minute. 2. Turn it on again. 3. Look at the display for a minute for any return of 1C4C. 4. Start a normal bake to check that heating resumes. 5. If the oven stays dead or 1C4C returns, stop using the oven and call us.

! Why to stop there
  • No part is named by the code, so we test rather than assume.
  • We look at plugs and harness routing before judging the board itself.
  • The price is written first, and our repairs carry a 30-day workmanship warranty.
Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.
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Other Range codes

PUSH or PSHWhirlpool Range PUSH or PSH: Start Was Not Pressed Sabbath ModeWhirlpool Range Sabbath Mode: Why the Oven Stays On Sabbath, Sab, 5Ab, or 5A7Whirlpool Range Sabbath, Sab, 5Ab or 5A7: Canceling the Mode Indicator or Hot Light OnWhirlpool Range Hot Light On: Control Still On or Surface Hot Lo or PreWhirlpool Range Lo or Pre: Low Temperature and Preheating LOCLOC on a Whirlpool Range or Wall Oven: Control Lock Is On LockWhirlpool Range Cooktop Lock: Unlocking the Surface Controls PowerLossWhirlpool Range and Wall Oven PowerLoss: Reset the Time
1c4c1c4c questions
What does 1C4C tell me about the cause?

Only that the control or its wiring is the area to check. It does not say that the board has died, so we test connections before suggesting replacement.

The oven worked after a reset. Am I done?

Maybe. If 1C4C stays away over several uses, it was a one-time event. If it returns, the underlying cause is still there and should be checked.

Is the cooktop affected by 1C4C?

On many ranges the burners are separate from the oven control. We cannot promise that for your model, so stop if anything else behaves strangely.

Book a visit

Still seeing 1c4c?

A technician diagnoses it on site and gives you the price in writing before any work starts.

(713) 589-6107