How do I fix error f29 on Vaillant boiler?

It’s simply a case of pouring hot (not boiling) water from the kettle over the frozen part of the condensate pipe. Once done, you will probably need to reset your Vaillant boiler before it will operate again. Read our guide to thawing a condensate pipe for complete, step-by-step instruction.

How do you reset a Vaillant Ecotec Plus 824?

To reset the boiler manually, press the reset button (3) and hold for one second. If you are unable to resolve the ignition problem yourself by resetting the boiler three times, then consult your approved competent person.

Why does my Vaillant boiler keep going off?

There can be a number of reasons why your Vaillant boiler keeps turning off. It could be due to low water pressure, a faulty thermostat, a faulty water pump, air in the system or frozen condensate pipes.

What does red light mean on Vaillant boiler?

You may find that there is a red light on the display board. This is simply a clarification that the boiler is not firing correctly. The F22 fault code will automatically put the boiler into a limp mode, much like a car would if the ECU detects a problem.

Where is the reset button on my Vaillant boiler?

If you have a Vaillant ecoTEC boiler, you should find your reset button just underneath the display. To reset, simply press down and hold for one second. If this hasn’t worked after three attempts, you should call an engineer.

Why is my boiler not giving me hot water?

The most common cause of no hot water from your gas boiler is the pilot light going out. The pilot light is used to ignite the gas which heats the water in the boiler. This is a safety device to ensure that gas does not leak out when the pilot light is not there to burn it.

Why does my heating keep going on and off?

Lack of water flow If the boiler keeps shutting off, it could be due to closed valves, air caught in the system or a broken pump. If there is enough air in the system to cause your boiler to switch itself off, it should be obvious when you start bleeding your radiators, as plenty of air will gush out of them.

Why is my hot water not working but my heating is?

If your heating is working normally but your hot water is not hot from your taps or shower, there could be a problem with your diverter valve. If you have a faulty or stuck diverter valve, your hot water may not work. One of our heating engineers can resolve this problem for you if you give us a call.