Main Combi 30 HE - Troubleshooting; Boiler Not Working Diagnosis

2.0 Troubleshooting
4
© Baxi Heating UK Ltd 2009
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 and
the Power ON indicator
lit ?
Is the ( ) light on and the
( ) on ?
Check electricity to the
boiler is switched on.
Reset
Power On
Indicator
Boiler On
Indicator
Burner On
Indicator
Boiler operating satisfactorily.
bar
0
1
2
3
4
Is the Central Heating System
Pressure needle in the GREEN
section, between 1 and 2.5 bar ?
If the reading falls below 1 bar
repressurise the system as
described in section 4.1.
Is the ( ) indicator neon on ?
Boiler not working
NO
NO
YES
YES
YES
NO
Turn the ON/OFF/Reset
Selector Switch to Reset.
Reset
NO
YES
YES
NO
If boiler does not
Reset
Flame Failure
Neon