Baxi Duo-tec Combi GA Owner's Manual
2.0 Troubleshooting
5
© Baxi Heating UK Ltd 2012
Is the Timer ON and
calling for heat ?
calling for heat ?
Is the Room Thermostat (if
fitted) set high enough ?
fitted) set high enough ?
12
1
2
3
4
5
6
7
8
9
10
11
Typical
examples of
external timer
Ensure timer is set for Central
Heating ON (see any
instructions supplied with timer)
NO
YES
YES
NO
15
10
5
20
25
15
10
5
20
25
Turn Room Thermostat
to maximum setting
(typical example shown)
If you don’t know what you need to do
to get the boiler to light, or need help
with the system and controls, contact
your installer as soon as possible
CH ON
CH OFF
bar
0
1
2
3
4
Is the Central Heating
System Pressure between 1
and 2.5 bar ?
System Pressure between 1
and 2.5 bar ?
If the reading* falls below 1 bar
repressurise the system as
described in section 4.1.
repressurise the system as
described in section 4.1.
NO
R
Error Code 118 showing low
pressure.
pressure.
YES
*To display the water pressure
press 6 times. ‘05’ will alternate
with the system pressure.
(NOTE: When the pump is running
the gauge under the boiler may
show a slightly differnt reading to
the display)
press 6 times. ‘05’ will alternate
with the system pressure.
(NOTE: When the pump is running
the gauge under the boiler may
show a slightly differnt reading to
the display)