Check the diffuser disc, ignition electrodes, and ionization probe for heat damage, carbon deposits, or warping.

Inspect the fan wheel blades for dust accumulate. Dirt buildup causes imbalance, leading to bearing wear and acoustic resonance. Clean with a stiff brush or compressed air.

⚠️ The manual explicitly warns that fault conditions should be rectified only by qualified and experienced personnel. To avoid damaging the plant, do not reset the burner more than two times in a row. If the burner locks out a third time, it must be inspected by a service engineer.

Complete Technical Guide and Overview for the Weishaupt G7/1-D Service Manual

The manual explicitly states that only certified Weishaupt technicians or licensed combustion engineers should break seals, adjust gas-air ratios, or modify the sequence controller.

If you need help tracking down a specific technical detail, please let me know:

Defective air pressure switch or blocked pressure sensing tubes.

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