Hi folks,
Can anyone advise what the code 'P' means on the Icos HE18 boiler.
I have read the manual but cannot find any details.
System has not been used for a few days.
Many thanks
Can anyone advise what the code 'P' means on the Icos HE18 boiler.
I have read the manual but cannot find any details.
System has not been used for a few days.
Many thanks