How to Fix Kenmore Dryer Error F18

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⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.

Error Code: Dryer Difficulty: Moderate

Problem: Door switch circuit failure on control board

⚖️ Repair Decision

⚠️ CHECK WARRANTY / AGE

$100 – $250 Range

How to Fix Dryer Error

Turn off power supply.
Remove control panel access cover.
Inspect main control board for burnt door switch relay contacts.
Test door switch operation with multimeter (should change state when door opens/closes).
Check wiring harness between door switch and control board.
If relay is faulty, document all wire connections.
Remove mounting screws and disconnect all connectors.
Install new main control board assembly.
Reconnect all harnesses and test door switch function.
Verify proper cycle start/stop operation with door tests.

OEM Part #: WP3391271

Estimated Market Price: $115

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

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Appliance Type

Appliance Age

Estimated repair cost (parts, or parts + labor) Most DIY parts are $50–$250. If you have a quote, use the total.

Is it under warranty?

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EPA Section 608 Certified Technician with 18+ years experience.