Villeroy & Boch Overheating Electrical Component

Strong chemical or burning plastic smell from equipment bay

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

Overheating Villeroy & Boch pump motor, Failing heater relay or contactor, Loose high-current connection in control pack, Shorted ozone generator

Safety: Immediately turn off power at the breaker. Do not continue to run the spa until the source is identified.

Inspect components: After cooling, open the equipment bay and look for discolored, melted, or burnt components, especially around pumps, heater terminals, and the control board.
Check for blocked ventilation: Ensure vents in the Villeroy & Boch cabinet are not obstructed.
Do not ignore: Any burnt smell indicates a serious issue that can lead to fire. Do not restore power until a technician has inspected and repaired the fault.

Professional Required 5/5

Main Control Board

Check Price on Amazon

We may earn a commission from links on this page.