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350

Code 350 - Burner automat reads incorrect value

Junkers · Cerapur 9000i Boiler

What does 350 mean?

The automatic burner's control unit is reading an incorrect value, which can prevent proper burner operation. This is an interlocking fault.

Common Causes

  • Defective transformer
  • Faulty burner automat component

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the transformer cabling for any issues.

  2. 2

    If suspected faulty, replace the transformer and check the operating behavior of the device.

  3. 3

    If the problem continues, a qualified technician should investigate the burner automat.

Browse all codes in this manual (48)
Verified technical data. Last updated: April 2026

Related Faults

0.9 BAR0.9 BAR — Low operating pressure101Code 101 - Mains voltage lower than allowed1019Code 1019 - Flame formation after burner switches off
Source: Junkers Cerapur 9000i Boiler
Open Manual (Page 39)Search more codes in this manual