i40

Water Level Sensing Fault (Pressure Sensor)

Description

The dishwasher has detected a possible fault in the pressure sensor and water level control. The same fault can show as i43, i44 or four beeps or flashes.

Appliance Error Codes Details

Error Code
i40
Error Name
Water Level Sensing Fault (Pressure Sensor)
Appliance Type
dishwasher
Brand
Zanussi
Severity
high

Possible Causes

  • Fault in the pressure sensor or the water level control
  • Foam, suds or debris in the filters and sump

Additional Troubleshooting

1. Reset the dishwasher: unplug it for about 5 minutes.
2. Check the filters and sump for foam, suds and debris.
3. Clean all the filters and clear any foam from the sump.
4. Plug it back in, select a programme and start it.
5. If the problem continues, book a technician.

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Fact-checking completed

Verified by: Pavel Volkov
Created:
Information verified against official sources

Official Sources

Zanussi UK: dishwasher error code i40, i43, i44

Manufacturer documentation