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E43

E43 — Interlock power supply triac faulty

Zanussi · Washing Machines

What does E43 mean?

The power supply triac for the door interlock system is faulty. This leads to an emergency drain cycle and blocks the machine.

Common Causes

  • A faulty door safety interlock mechanism.
  • Defective wiring connected to the door interlock.
  • A faulty main board or circuit board.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn the program selector to '0' or OFF to reset the appliance.

  2. 2

    Unplug the Washing Machine from the power outlet and wait for 30 seconds before plugging it back in.

  3. 3

    Attempt to start a new cycle. If the error reappears, it's likely an internal component issue.

  4. 4

    Contact an authorized service technician for a professional diagnosis and repair.

Browse all codes in this manual (66)
Verified technical data. Last updated: April 2026

Related Faults

E00E00 — No alarmE11Error E11 — Difficulties in water fill for washing, indicated by 1 red flash and 1 green flash on the START/PAUSE LEDE12Error E12 — Difficulties in water fill for drying, indicated by 1 red flash and 2 green flashes on the START/PAUSE LED
Source: Zanussi Washing Machines
Open Manual (Page 28)Search more codes in this manual