Valliant ecotec boiler not firing up or pump running
*Power on
*Voltage confirmed to PCB
*Digital display shows pressure at 0.0 bar, dial gauge shows pressure in mid grey position
*Digital display shows "con" message no fault codes
*Switch display sometimes comes on sometimes not, does on occasion display "T5 140"
Any ideas what the issue is?
*Power on
*Voltage confirmed to PCB
*Digital display shows pressure at 0.0 bar, dial gauge shows pressure in mid grey position
*Digital display shows "con" message no fault codes
*Switch display sometimes comes on sometimes not, does on occasion display "T5 140"
Any ideas what the issue is?