F28 Vaillant fix (Turbomax) Boiler Fault Code

A simple way to fix F28 code on Vaillant Turbomax Plus 824/828E.
First, make sure you do have F28 code by pressing info button. as shown in picture..

Turn off the boiler and shut down the gas valve.

Remove boiler cover and vacuum everything, use plastic vacuum tip.

The ignition is located here.

Remove and clean. Use sandpaper and lightly clean leads

The most common fault codes for this model:
F.00 NTC Faults.
F.01 NTC Faults.
F.20 Overheat Problem.
F.22 Dry fire, low water in system/Overheat.
F.24 Low water, or Pump failure/blockage.
F.29 Flame extinguished. Fan/flue problem/Gas.
F.28 No ignition/Ignition problem. No gas!

more info at
http://www.vaillantservice.co.uk/VAILLANT/Vaillant_Boiler_Fault_Codes.html


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