Baxi Combi 130 HE Installation And Servicing Instructions page 55

Pump Fault
With
NO
a DHW tap on,
is 230V at
connection H ?
YES
With
YES
a DHW tap on,
is 230V at
connection I ?
NO
NO
Is Pump operating ?
YES
Check if live and
neutral mains into
boiler are reversed.
YES
Replace Main PCB
Supplied By www.heating spares.co Tel. 0161 620 6677
Replace Main PCB.
Wiring from Main PCB
to Pump faulty.
Replace Pump Head.
H
15.0 Fault Finding
Transformer
Thermistors
Mains Input
Overheat
Thermostats
Burner On
&
Flow Switches
Fault Neons
Condensate Trap
Pump
Room Control
Diverter Valve
Display PCB
Gas Valve
Modem PCB
Room Thermostat
Pump Plug
(when unplugged)
H
Flow &
Return
&
&
Fan
55