Kobold Solution Valve Not Closing

Solution dribbles constantly from nozzles even when trigger is not pressed

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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

Worn or contaminated solenoid valve seat, Debris in valve, Sticking mechanical valve in handle, Excessive pressure from pump

How to Fix / Troubleshooting

Safety: Unplug the unit and empty the solution tank.

  • Flush system: Fill the tank with clean water and run briefly to flush any debris, then empty again.
  • Inspect valve: Access the solenoid or mechanical valve controlling solution flow. Check for debris or scale at the seat and clean gently.
  • Check trigger mechanism: Ensure the trigger fully releases and is not partially engaging the valve.
  • Replace valve: If the valve still leaks when de-energized, replace the valve assembly.
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Repair Difficulty

Medium 3/5

Required Part

Solution Solenoid Valve
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