BoilerFaultCodes.com

Vaillant Turbomax Pro 28 2E Fault Codes

Combi Natural Gas 28 kW 2000-2002 Discontinued
GC Number: 47-044-12

Replaced by: ecoTEC Pro 28

This boiler uses indicator light combinations

Note which lights are on, off, or flashing and at what speed. Match the combination to the table below. Do not reset until you have noted the pattern. How to read fault codes →

Most common fault codes

1F
Your boiler has suffered a major electrical failure where the internal fuse blows instantly, meaning the main control board has likely short-circuited and stopped working.
Gas Safe engineer required · £250-£450
7
Your boiler has tried and failed to light the flame several times, so it has locked itself for safety.
May be DIY safe · £100-280
Burner lockout indicator (red) - Flashing
Your boiler has detected an internal computer error that is preventing it from starting up safely.
Gas Safe engineer required · £280-450

All 10 fault codes

Code Severity Plain English
1F High Your boiler has suffered a major electrical failure where the internal fuse blows instantly, meaning the main control board has likely short-circuited and stopped working.
7 High Your boiler has tried and failed to light the flame several times, so it has locked itself for safety.
Burner lockout indicator (red) - Flashing High Your boiler has detected an internal computer error that is preventing it from starting up safely.
Burner lockout indicator (red) - Static High Your boiler has tried and failed to light the flame several times and has shut down as a safety precaution.
Central heating demand indicator (yellow) Low Your boiler is working normally and simply indicating that your central heating is currently switched on and heating your home.
Fan operation indicator (yellow) - Flashing High Your boiler has stopped working because it cannot confirm that the fan is safely clearing waste gases from the system.
Flame indicator (yellow) - Flashing High Your boiler has lost its connection to an internal temperature sensor, which means it cannot accurately measure the heat of the water and has stopped working for safety.
Hot water demand indicator (yellow) Low Your boiler has correctly detected that you have turned on a hot water tap and is working as intended.
Ignition indicator (yellow) - Flashing High Your boiler is struggling to operate because the water pressure is too low or the water isn't moving through the system correctly.
Power on indicator (green) - Flashing High Your boiler has switched itself off because it has reached an unsafe temperature and needs to be cooled down and reset.

Vaillant Turbomax Pro 28 2E is discontinued — time for a new one?

Parts for discontinued models can be hard to find and expensive. A new A-rated boiler could save you money on both repairs and energy bills.

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