Worcester Bosch Overheated electronic component

Thermostat or receiver has a burnt smell or visible scorch marks.

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

Overloaded relay contacts, Incorrect wiring causing overcurrent, Internal short circuit, Surge damage

Safety first: Immediately switch off power at the fused spur and do not use the system until inspected.

Do not attempt repair: Burnt PCBs or components are a fire risk and must not be repaired by unqualified persons.
Photograph damage: Take clear photos for warranty or insurance claims.
Contact professional: Arrange for a qualified heating engineer or electrician to replace the damaged thermostat/receiver and check associated wiring and boiler controls.

Professional Required 5/5

Worcester Bosch RF Receiver Module

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