Zanussi Pyrolytic Cycle Inhibited

Pyrolytic self-cleaning cycle does not start or stops immediately

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Door not locking correctly, Oven temperature sensor out of range, Safety thermostat tripped, Control board inhibiting cycle due to previous fault

How to Fix / Troubleshooting

Safety first: Ensure the oven is empty and shelves are removed before attempting a pyrolytic cycle. Disconnect power before mechanical checks.

Step-by-step checks:

  • 1. Check door lock: Confirm the door locks firmly when the cycle is started. If not, inspect and replace the door lock assembly.
  • 2. Verify sensor: Test the oven temperature sensor resistance. Replace if out of specification.
  • 3. Reset safety thermostat: Reset any manual safety thermostats and ensure cooling fan operation.
  • 4. Clear previous errors: Disconnect power for 10 minutes to reset the control. If the cycle still will not start, the PCB may be inhibiting pyrolytic mode and require replacement.

Warning: Never bypass safety devices to force a pyrolytic cycle; temperatures are extremely high.

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Repair Difficulty

Hard 4/5

Required Part

Door Lock Assembly, Temperature Sensor, Safety Thermostat
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