Vestfrost False Alarm / Sensor or Door Detection Error

Alarm beeps intermittently even though temperature appears normal and door is closed.

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

Intermittent door switch contact, Loose sensor wiring, Electrical noise affecting PCB, Failing buzzer driver circuit

Safety first: Unplug the unit before inspecting switches or wiring.

Steps to check and fix:

1. Check door switch: Ensure the switch is firmly mounted and actuated fully by the door. Replace if intermittent.
2. Inspect sensor connections: Reseat connectors for cabinet and evaporator sensors on the main PCB.
3. Secure wiring: Ensure harnesses are not loose or vibrating, which can cause intermittent contacts.
4. PCB replacement: If alarms persist without identifiable cause, the main control PCB may be faulty.

Medium 3/5

Door Switch / Reed Switch

Check Price on Amazon

We may earn a commission from links on this page.