Appliance Repair HubFind · Fix · Decode

Microwave

Microwave won't turn on? 2 likely causes

Fuse, door switch, or control board.

Symptom: No display · Typical cost: £70–£150.

Always switch off and unplug the appliance before inspecting it. Never work on gas appliances or fixed electrical wiring yourself — call a Gas Safe registered engineer or a qualified electrician.

Likely causes, most common first

  1. 1

    Blown fuse / door switch

    Engineer job

    Power or interlock.

    The fix:Replace.

  2. 2

    Control board

    Engineer job

    Failed.

    The fix:Replace.

When to call an engineer

  • You are not comfortable working on the appliance, or the fix involves electrics or gas.

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Frequently asked questions

How much does it cost to fix a microwave problem like this?

£70–£150.

Is it safe to keep using it?

If you can see leaks, smell burning, or the appliance is tripping the electrics, stop using it and unplug it. For minor faults without those signs it is usually safe to leave it off until you can diagnose it. Always switch off and unplug the appliance before inspecting it. Never work on gas appliances or fixed electrical wiring yourself — call a Gas Safe registered engineer or a qualified electrician.