Classeq Poor Wash Performance

Classeq dishwasher runs but dishes come out dirty or with food residues.

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Possible Causes

Blocked spray arm jets, Low wash pressure from worn pump, Incorrect detergent concentration, Clogged tank filters

How to Fix / Troubleshooting

Safety first: Turn off power before removing spray arms or internal components.

  • Clean spray arms: Remove upper and lower spray arms. Rinse under running water and clear blocked jets with a toothpick or small brush.
  • Clean filters: Remove and clean all tank filters. Ensure they are correctly seated to prevent bypass.
  • Check detergent dosing: Verify that the detergent pump is working and that the chemical supplier has set the correct concentration for your water hardness and soil level.
  • Assess wash pump performance: If spray arms barely rotate or pressure is weak, test and replace the wash pump if necessary.
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Repair Difficulty

Easy 2/5

Required Part

Upper and Lower Spray Arms
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