Constructa
Circulation Failure Without Error Code
Dishwasher fills with water but spray arms do not rotate; dishes remain dirty.
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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
Blocked spray arm jets,Clogged sump or filter,Weak circulation pump,Foreign object in pump impeller
How to Fix / Troubleshooting
Safety first: Turn off power and allow hot water to cool before handling spray arms.
- 1. Clean spray arms: Remove upper and lower spray arms by unscrewing or unclipping them. Rinse under running water and use a toothpick to clear blocked jets.
- 2. Clean filters and sump: Remove and thoroughly clean the filter assembly. Check the sump for debris that could restrict flow.
- 3. Check water level: Start a program and, after filling, open the door briefly. Water should cover the filter area. If very low, see inlet-related faults.
- 4. Listen to pump: During wash, you should hear a strong, steady spray noise. A weak or intermittent sound may indicate a failing circulation pump.
When to call a technician: If cleaning does not restore spray pressure, the circulation pump may need replacement.
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Repair Difficulty
Medium
3/5
Required Part
Spray Arms / Circulation Pump
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