Baxi Megaflo 2 System 24 Compact User's Operating Instructions & Important Warranty Information page 5

Is the Timer ON and
calling for heat ?
12
CH OFF
CH ON
NO
Ensure timer is set for Central
Heating ON (see any
instructions supplied with timer)
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
© Baxi Heating UK Ltd 2013
Is the Room Thermostat (if
YES
fitted) set high enough ?
Typical
examples of
external timer
Turn Room Thermostat
to maximum setting
(typical example shown)
your installer as soon as possible
2.0 Troubleshooting
YES
NO
15
If the reading* falls below 1 bar repressurise
the system as described in section 4.1.
15
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
Is the Central Heating
System Pressure between 1
and 2.5 bar ?
NO
2
1
4
0
bar
R
*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)
YES
3
5