Hi,
my GW c30i boiler is showing the error code C30i, I know from previous posts the meaning of the code but wondered if there are any quick checks/fixes I can try before forking out for an engineer?
any help appriciated
thanks
my GW c30i boiler is showing the error code C30i, I know from previous posts the meaning of the code but wondered if there are any quick checks/fixes I can try before forking out for an engineer?
any help appriciated
thanks
