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Error code reference

Whirlpool Microwave Error Code E1 E5

Oven user interface failure.

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What the E1 E5 error code actually means

Your Whirlpool microwave is showing E1 E5 because its control panel has stopped working correctly and is not communicating as expected. This can sometimes be cleared by simply unplugging the microwave for 10 seconds and plugging it back in. If the error comes back, the control panel board itself will likely need to be replaced.

Diagnostic procedure

The full E1 E5 procedure

Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.

MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Cycle power (unplug, wait 10 seconds, power On). Verify error code in Diagnostics Mode. Unplug and replace UI.
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 E1 E5

Ranked by how often they cause this code
  1. 1Temporary UI board software fault
  2. 2Failed user interface board
  3. 3Loose or damaged ribbon cable connection
  4. 4Moisture or contamination on the control panel

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Questions people ask about E1 E5

What does E1 E5 mean on a Whirlpool microwave?
E1 E5 on a Whirlpool microwave indicates a user interface failure. This means the control panel board has encountered a fault and is not functioning correctly. The microwave detects this internally and displays the code to alert you that the UI system needs attention.
How do I fix the E1 E5 error on my Whirlpool microwave?
Start by unplugging the microwave for 10 seconds, then plug it back in and check if the error reappears. If it does, enter Diagnostics Mode to confirm the code, then unplug the unit and replace the user interface board. The UI board is the indicated failed component when the code persists after a power cycle.
How much does it cost to repair a Whirlpool microwave with an E1 E5 error?
If only the user interface board needs replacement, parts typically range from around $50 to $150 depending on the specific model. Adding professional labor, total repair costs generally fall between $100 and $250. If the fault was caused by a temporary glitch and clears with a power cycle, there is no parts cost at all.
Will resetting the microwave clear the E1 E5 error?
A power cycle, unplugging the unit for at least 10 seconds and then restoring power, can clear the E1 E5 code if the fault was caused by a temporary software or communication glitch. If the error returns after the reset, the UI board itself has likely failed and a simple reset will not resolve it.
Is it safe to use my Whirlpool microwave while it shows E1 E5?
A microwave displaying E1 E5 typically has a non-functional or unreliable control panel, which means you may not be able to operate it normally or safely monitor its functions. It is best to avoid using the appliance until the fault is resolved to prevent unintended operation.

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