Microwave High Severity
DOOR-ERR Appliance Error Code

Asko Microwave DOOR-ERR Error: Door interlock error

Asko microwave DOOR-ERR error is a common issue reported by Asko appliance owners. What DOOR-ERR Means on an Asko Microwave DOOR-ERR is displayed or indicated when the microwave cannot confirm the door is safely closed and latched. Microwaves use two or three interlock switches to prevent operation with an open door — a critical safety […]

No

DIY Fixable

From $140

Typical Repair Cost

30-60 min

Pro Repair Time

Quick Assessment

Answer to continue safely

Is it safe to keep using?

No. Never operate a microwave with a suspected door interlock fault. Radiation leakage from a door that does not seal correctly is a serious health hazard. Do not attempt to bypass the door switches.

Can I reset the code?

Yes. Unplugging for 30 seconds and cleaning the door area may clear a transient door fault caused by debris. If the error persists after cleaning, a hardware repair is required.

When to stop immediately?

Stop if you notice: Microwave emits any heat or produces cooking effects with the door open — unplug immediately., Latch hook is visibly broken or missing — do not operate under any circumstances..

Symptoms You May Notice

Microwave will not start with door closed

Pressing START does nothing despite the door appearing to be fully closed, indicating an interlock switch is not registering closure.

Door-related error code on display

Display shows a door fault code (DOOR-ERR or similar) immediately after closing the door or pressing START.

Microwave stops mid-cycle

The cycle begins normally but stops abruptly, suggesting the door latch is intermittently losing contact with the interlock switch.

Loud click when closing door with no start

Latch hooks engage audibly but the control board does not detect closure, pointing to a failed interlock switch behind the latch receiver.

Possible Causes

1

Failed door interlock switch

One of the two or three safety switches has failed open or shorted. A shorted secondary switch may also blow the main fuse.

Requires Professional
2

Broken door latch hook

Plastic latch hooks break with repeated use, preventing the door from depressing the interlock switches on closure.

Requires Professional
3

Debris in door seal groove

Accumulated food residue in the door frame groove prevents the door from fully seating against the chassis.

DIY Possible

Safe Checks You Can Do

These checks are safe for homeowners. No disassembly required. Do not remove panels or access internal components.
  1. 1

    Clean the door seal and latch area

    Unplug the microwave. Wipe the entire door seal groove, latch hooks, and latch receivers with a damp cloth to remove food debris. Dry thoroughly, then test.

    Even small crumbs in the latch receiver can prevent full engagement of the interlock switch.

  2. 2

    Inspect door alignment and latch hooks

    With the microwave unplugged, open the door and visually inspect both plastic latch hooks for cracks or breaks. Check the door sits flush when closed.

    If a latch hook is broken, do not operate the microwave — radiation safety depends on correct door closure.

  3. 3

    Test the door firmly

    With the microwave plugged in, close the door with firm, even pressure and immediately press START. Note whether the fault persists or clears.

    If the microwave starts with extra door pressure but fails normally, the latch hooks are worn and need replacement.

When to Call a Professional

Contact a qualified technician if:

  • Door fault persists after cleaning and firm closure — interlock switch replacement required.
  • Broken plastic latch hook confirmed visually.
  • Main fuse blows on door closure, indicating a shorted secondary interlock switch.

Need Professional Help?

Find qualified technicians in your area for proper diagnostics and repair.

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