Blomberg Timer / Clock Calibration Error

Microwave time counts down too fast or too slow compared to real time.

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

Defective control board timing circuit,Power supply frequency detection fault,Firmware issue,Interference from unstable mains frequency (rare)

Safety: No internal access required for basic checks.

Steps:

1. Verify with stopwatch: Compare a 1-minute microwave cycle with a stopwatch. If significantly off, note the discrepancy.
2. Power reset: Unplug for 10 minutes and retest.

If the timing remains inaccurate, the control board timing circuit is likely defective and the board should be replaced.

Medium 3/5

Main Control Board

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