Potterton Promax HE Store Range - Troubleshooting; Boiler Not Working Diagnostics

4
© Baxi Heating UK Ltd 2013
2.0 Troubleshooting
START
Make sure the gas supply
is turned ON and check if
other gas appliances are
operating (e.g. fire, cooker).
If no gas, consult your
supplier.
Is the ON/OFF/Reset
Select Switch in the
( ) position ?
Is the ( ) or ( ) light
on and the ( ) on ?
Check electricity to the
boiler is switched on.
Is the display lit ?
Display
Central Heating
Indicator
Domestic Hot
Water Indicator
Burner On
Indicator
Boiler operating satisfactorily.
2
1
0
4
3
bar
Is the Central Heating
System Pressure between
1 and 2.5 bar ?
If the reading falls below 1 bar
repressurise the system as
described in section 3.0.
Does the display show an
error code e.g. E133, E110 ?
Boiler not working
NO
NO
YES YES
YES
NO
Turn the ON/OFF/Reset
Selector Switch to Reset.
Error Code E119 showing
low pressure.
NO
YES
YES
NO
If boiler does
not Reset