14
Immergas
Gas Valve Control / Modulation Error
Error 14; unit indicates gas valve or modulation fault, burner may not modulate correctly.
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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.
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Possible Causes
Defective gas valve coil, Loose gas valve connector, Incorrect gas valve adjustment, Faulty control board output
How to Fix / Troubleshooting
Safety: Close the gas supply and disconnect power. Only qualified personnel should work on gas valves.
- Check electrical connector: Ensure the gas valve plug is fully seated and the wires are not damaged.
- Visual inspection: Look for signs of overheating or burning on the gas valve body and wiring.
- Do not adjust gas settings: Gas pressure and combustion settings must be checked with proper instruments by a licensed technician.
- Call a professional: If error 14 persists, the gas valve or control board likely needs replacement and combustion must be re‑commissioned.
Warning: Incorrect gas valve work can cause fire, explosion, or carbon monoxide poisoning. Always use an authorized Immergas service center.
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Repair Difficulty
Professional Required
5/5
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