Comenda Incomplete Drain / Residual Water

Water remains in the tank overnight even after end of service; machine does not fully drain.

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.

Possible Causes

Drain program not run, Partially blocked drain hose, Incorrect drain hose height, Weak drain pump

Safety first: Disconnect power before working on the drain system.

Run drain cycle: Ensure staff are using the correct end-of-day drain program on the Comenda control panel.
Check hose routing: Confirm the drain hose is installed at the correct height and slope according to the installation manual.
Clean hose and pump: Remove and flush the drain hose. Inspect the pump for partial blockages.
Replace pump: If the pump runs but flow is weak and no blockage is found, replace the drain pump.

Medium 3/5

Drain Pump Assembly

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