2.0 Troubleshooting
5
© Baxi Heating UK Ltd 2013
Is the Timer ON and
calling for heat ?
Is the Room Thermostat (if
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 ?
If the reading* falls below 1 bar repressurise
the system as described in section 4.1.
NO
R
As pressure reduces Error Code 118 will
begin to flash. Once the pressure is less
than 0.5 bar the boiler will not operate &
118 will be displayed constantly
YES
*To check the water pressure
press until is displayed.
This will alternate with the system
pressure.
(NOTE: When the pump is running
the gauge under the boiler may
show a slightly different reading to
the display)
