Service code 7-2 (or 7.2) appears; heater stuck on or relay failure.

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

Shorted heater relay on control, Shorted wiring, Element shorted to ground

Safety First: Disconnect power immediately if you suspect the heater is stuck on.

Steps:

Inspect wiring: Check heater wiring for melted insulation or shorts to chassis.
Ground test element: Test the heating element for continuity to ground. Replace if shorted.
Replace control board: If wiring and element are good, replace the main control board due to a stuck heater relay.

Professional Required 5/5

Main Control Board

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