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9 Fault
Finding
This section covers the faults that can be
recti ed by the User in order to restore the
boiler operation. Should other fault codes
be displayed please contact the Service
department, your service engineer or your
installer.
Like all condensing boilers
it will produce a plume of
condensation from the ue
terminal in cool weather.
This is due to the high
ef ciency and hence low ue
gas temperature of the boiler.
It is normal and not a fault
indication.
If after carrying out this basic advice
and your appliance still does not work,
leave it turned off and contact your
Service Agent or Heatline Service
Department.
Fault code
Possible causes
Solution
The
appliance
stops
working
Electrical circuit
interrupted
Check there has not been a power cut or a fuse has
tripped. Should the power have been lost but the boiler
left switched on it will automatically commence operation
when the power has been restored.
Fault
Press on the "reset" button. see chapter "Quick reference
guide". If the fault persists and the symbo
l
xx
appears, contact your Installation/Servicing engineer or
Heatline Service.
Lack of water in the
installation
(< 0.5 bars)
Your system is short of water and requires topping up via
your lling loop as your installer demonstrated. Should
this fault persist contact your installer or service agent.
This is not necessarily a fault of the boiler and should be
investigated before contacting Heatline Service.
Excess water in the
installation
Your system is over-pressurised, ensure the two valves on
your lling loop are fully closed before venting a little water
from your radiator vent. Vent until the pressure drops to
1.0bar. Should this fault persist contact your installer or
service agent. This is not necessarily a fault of the boiler
and should be investigated before contacting Heatline
Service.
xx
Fault
Contact your Installation/Servicing engineer or Heatline
Service.
