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Vaillant EcoMax Pro 18/28E

Listed below are the most common error codes that you might see on your Vaillant EcoMax Pro 18/28E range of boiler.

Fault Code Possible Cause
F.1 Lack of gas, a fault with the ignition or flue or you may need to adjust the gas valve or replace a defective electrode lead.
F.4 Ignition fault.
F.5 The system has suffered a fault due to overheating.
F.6 Your flow NTC has developed a fault.
F.17 Check the polarity of your system.
F.24 Pump-related faults – the pump could have failed, it may have over run or there could be an issue with the airlock

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    We offer 24/7 Emergency Service to all of our customers. You can always count on FE Maintenance to get to you fast and get the job done right the first time. We use state-of-the-art diagnostic equipment to find the source of your heating and air conditioning problems and fix them fast.

    About

    We offer 24/7 Emergency Service to all of our customers. You can always count on FE Maintenance to get to you fast and get the job done right the first time. We use state-of-the-art diagnostic equipment to find the source of your Boiler problems and fix them fast.

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