F.385 — Burner in a fault state (Short circuit, ionization current signal 1)

What does F.385 mean?

The burner is in an error state indicating a short circuit in the ionization current signal. This is critical for flame detection and safe operation of the burner.

• Short circuit in ionization current signal 1
• Ionization electrode or connecting cable issue
• BCU burner control unit faulty

Click steps to track your progress.

1. 1

   Reset the appliance.

2. 2

   If the fault persists, contact a qualified technician to check the ionization electrode and connecting cable and potentially replace the BCU burner control unit.

3. 3

   Ensure the appliance has been reset correctly after the initial fault.