Zline Extended Cycle Time / Heating or Sensor Issue

Dishwasher runs for an unusually long time or seems stuck on one part of the cycle.

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.

Possible Causes

Low incoming water temperature, Heater not working causing extended wash, Dirty turbidity or temperature sensor, Control waiting for temperature or clean-water threshold

How to Fix / Troubleshooting

Safety first: Turn off power before accessing sensors or heater wiring.

Check water temperature: Run hot water at the sink until it is hot before starting the dishwasher.
Clean sensors and sump: Remove filters and clean the sump area. If accessible, gently clean the turbidity sensor window.
Verify heater operation: Open the door mid-cycle (carefully) to feel if the water is hot. If always cold, test the heating element and related wiring.
Reset control: Disconnect power for 5 minutes to reset the control, then run a normal cycle and observe.

Repair Difficulty

Medium 3/5

Required Part

Heating Element

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