Zanussi Washing Machine Error E42

⚡ Quick Answer: The Zanussi washing machine E42 error indicates a malfunction in the door lock mechanism, which may prevent the door from locking properly or cause th... ✅ DIY Fixable

What Does Error E42 Mean?

The Zanussi washing machine E42 error indicates a malfunction in the door lock mechanism, which may prevent the door from locking properly or cause the machine to stop mid-cycle. Symptoms include the door remaining locked after a cycle, failure to complete the wash program, and the door not unlocking post-cycle. This issue may be due to a faulty door lock assembly, wiring issues, or a control board malfunction.

Common Symptoms:

  • Error code E42 displayed on machine
  • Door remains locked at end of cycle
  • Machine stops near or at end of program without completing
  • Door doesn’t unlock after cycle

Possible Causes

  • Faulty door lock mechanism (medium)
  • Wiring harness or connection issue to lock (medium)
  • Control board not sending proper signal to unlock (low)

How to Fix Error E42

DIY Fix Basic checks and manual unlock

  1. Unplug the washing machine from power for safety.
  2. Check if the door is fully closed or any laundry is stuck at the door seal preventing closure.
  3. Wait a couple of minutes after cycle ends to see if door release delay completes.
  4. If model has an emergency manual door release (often near the pump filter), gently pull to open the door if stuck.

Technician Only Diagnose and repair door lock circuit

  1. Inspect and test door lock mechanism for mechanical and electrical function; replace lock assembly if faulty.
  2. Check wiring harness and connectors between lock and control board for corrosion, breaks, or poor contact; repair or replace as needed.
  3. If door lock and wiring are confirmed good, test control board output to lock and consider control board replacement if it fails to drive lock properly.

Parts needed: door lock assembly, wiring harness/connectors, control board (if necessary)

🛑 When to Call a Pro:
  • If door lock assembly and wiring checks do not resolve the E42 error
  • If there is evidence of burnt wiring or electrical components
  • If the main control board is suspected to be at fault

Technical Specifications

wattage 10W
component Door Lock Assembly
resistance 1-5 ohms
part_number Zanussi 1240001001
voltage_rating 230V AC

Common Questions

What does E42 error mean on Zanussi washing machine?

E42 error indicates a door lock malfunction, preventing the door from locking or the machine from starting.

Can I fix Zanussi washing machine E42 error myself?

Yes, you can perform basic checks like ensuring the door is closed and manually unlocking it after unplugging the machine.

How much does it cost to fix E42 error?

Repair costs for E42 error range from £40 to £150+, depending on parts and service labor.

When should I call a technician for E42?

Call a technician if basic checks do not fix the issue or if you suspect burnt wiring or a faulty control board.

Sources & References

Data last verified: 2026-03-18

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