How to Fix Samsung Dryer Error E4

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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 fault (older models); identical failure mode to DE code

⚖️ Repair Decision

✅ WORTH FIXING

Parts under $100

How to Fix Dryer Error

UNPLUG dryer from electrical power.
Ensure door closes fully with distinct click. Check for obstructions preventing proper closure.
Remove front panel or control console to access door switch assembly near door frame.
Test door switch continuity with multimeter: switch must CLOSE when door is pressed shut.
If switch fails test or shows physical damage, replace assembly.
Disconnect wiring harness. Remove mounting screws. Extract old switch assembly.
Install new door switch using OEM part DC64-00130A. Verify actuator arm aligns perfectly with door strike plate.
Reassemble panels. Restore power. Test operation by opening/closing door while observing control panel response.

OEM Part #: DC64-00130A

Estimated Market Price: $32

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

Get the ‘Secret Service Mode’ Cheat Sheet for your Samsung model. Includes an easy-to-read list of every error code and quick diagnostic tips.

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

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EPA Section 608 Certified Technician with 18+ years experience.