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Mend Potterton Promax Home Heating Systems

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Mend Potterton Promax Boiler Error Code

what is error e20 or nct fault in a Potterton Promax combi boiler? ?

The boiler is saying e20 error which is an nct fault, can anyone tell me what this means? Thank you!!

Ian
January 2010
PottertonPotterton PromaxHeating, Home Heating SystemsBoiler Error Code Potterton Promax
What is E20 on a potterton combi boiler.

Julie sharp
December 2018
Ian - Is it normal for both the water and central heating not to work whilst getting the E20 error?

Help
January 2011
I have got the same problem with my boiler, the E20 pops up. I don't know if this is of much help to you:

http://www.potterton.co.uk/docs/Pot_gold_combi18HEA_Users_sept_10p.pdf

On Pg.8 it basically says, 'E20 Central Heating NTC Fault'.

Awaiting input ...

Thanks.

Help
January 2011
do you mean ntc? if so, it's the temperature sensor that needs replaced.

Ian
January 2010
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