Classeq Intermittent Level Sensing Fault

Classeq dishwasher repeatedly overfills slightly and then drains, causing long cycles but no explicit error code.

Advertisements

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.

Advertisements

Possible Causes

Partially blocked pressure switch hose, Grease in air trap, Sticky pressure switch contacts, Electrical noise on level sensor wiring

How to Fix / Troubleshooting

Safety first: Isolate power and water before working on level sensing components.

  • Clean pressure hose and air trap: Remove the pressure switch hose and air trap from the tank. Clean thoroughly to remove grease and scale.
  • Test pressure switch: Check switching operation with a multimeter while applying gentle pressure. Replace if contacts are intermittent.
  • Secure wiring: Ensure the level sensor wiring is routed away from high‑current cables to reduce electrical interference.
  • Monitor operation: After cleaning and reassembly, run several cycles to confirm stable filling and draining.
Advertisements

Repair Difficulty

Medium 3/5

Required Part

Pressure Switch
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements