27
Immergas
Weak Flame Ionization Signal
Error 27; unit indicates ionization current too low or unstable during operation.
Advertisements
Safety Warning
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.
Advertisements
Possible Causes
Partially blocked burner, Incorrect gas/air ratio, Dirty ionization electrode, Low gas supply pressure
How to Fix / Troubleshooting
Safety: Turn off power and gas before opening the combustion chamber.
- Clean burner: Remove the burner assembly and clean ports with a soft brush and vacuum. Do not enlarge the ports.
- Clean ionization electrode: Remove oxidation from the electrode tip and ensure correct positioning in the flame.
- Check gas supply: Confirm that other gas appliances operate normally. If there are supply issues, contact your gas provider.
- Professional combustion check: A technician should verify gas valve settings and combustion values with a flue gas analyzer.
Warning: Do not attempt to adjust gas valve settings without proper training and instruments.
Advertisements
Repair Difficulty
Hard
4/5
Advertisements