Troubleshooting - Baxi Combi 133 HE Plus Operating Instructions Manual

Boiler not working
START
YES
Make sure the gas
supply is turned ON
and check if other
gas appliances are
operating (e.g. fire,
cooker).
NO
If no gas, consult
your supplier.
Mains ON Light
(Green)
Is the Central Heating
System Pressure between
1 and 2.5 bar ?
NO
requires
1 2
repressurising
0 3
If the reading falls below 1 bar
repressurise the system as
described in section 3.0.
Light ON
Light FLASHING
Light FLASHING
Boiler indicators
showing low
pressure
4
© Baxi Heating UK Limited 2005
Is there electricity to the
boiler ? (Green Mains ON
Light lit).
Hig h
Low
ON
Hig h
Low
NO
Check electrical supply to
boiler is switched on.
YES
Flame Failure
(Red)
Pressure
Gauge
Reset Button

2.0 Troubleshooting

YES
Rese t
Burner ON Light
(Green)
Is the Red Flame Failure
Light illuminated or flashing ?
Hig h
Low
ON
Hig h
Low
YES
Press the Reset Button
until the red light goes off.
High
Low
ON
High
Low
Is the Green Burner ON
Light illuminated ?
Hig h
Low
ON
Hig h
Low
YES
Boiler operating
satisfactorily.
NO CONTACT YOUR
INSTALLER OR
SERVICE
ENGINEER.
Reset
If the light
does not go
Reset
out or keeps
coming on
NO
Reset