Blaablaa asked ... How can I fix?    |    pete asked ... Flymo 330 turboglide?    |    keith asked ... Fuseboard( s) location of renault trafic t1100 1993?    |    Janet asked ... Neff B1641 door not closing at top?    |    Steve asked ... Gilera runner 180 vxr 2001 ignition replacement?    |    Click here to ask your question

What else could be holding it off? ?

Have just changed the ntc sensor on a potterton promax combi 28 he a,
But when trying to restart the boiler. It is still showing the E20 fault code. what else could be wrong?
Billy, March 2016
link Click here to see other fixes for Potterton.