D Dave T Messages 2 Nov 28, 2021 #1 Duo-tec 28 fault code e168 PCB replaced PCB turned boiler on same fault code e168 could it be a faulty new PCB or am I missing something
Duo-tec 28 fault code e168 PCB replaced PCB turned boiler on same fault code e168 could it be a faulty new PCB or am I missing something
ShaunCorbs Super Moderator Staff member S. Mod Plumber Gas Engineer Subscribed Messages 34,702 Solutions 1 Nov 28, 2021 #2 Diverter not leaking into the motor ?