Bosch Start Circuit / Relay Failure

Bosch dryer display shows time remaining but drum and heater do not run (silent).

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

Faulty motor relay on control board, Defective Start button, Open door switch circuit, Control board logic fault

Safety first: Unplug the dryer.

Confirm door switch: Test for continuity when door is closed.
Test Start button: Check for continuity when pressed.
Inspect control board: Look for burnt relay contacts or damaged traces. Replace board if relay is defective.

If you are not comfortable testing live circuits, contact a professional technician.

Hard 4/5

Main Control Board

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