Glowworm Ultimate 24h, Instructions For Use Manual

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9 Fault Finding
In this section fault codes that are
displayed, which CAN be carried out by
the USER to restore appliance operation
(Corrective action: ...). Other fault codes
MUST be solved by a competent person
only.
Like all condensing boilers
it will produce a plume of
condensation from the fl ue
terminal in cool weather.
This is due to the high
effi ciency and hence low fl ue
gas temperature of the boiler.
It is normal and not a fault
indication.
If any fault persists, and your appliance still
does not work, leave it switched off and
contact your competent person.
9.1 Electrical Supply Failure
The boiler will not work without an
electrical supply and normal operation
of the boiler should resume when the
electrical supply is restored.
If the boiler does not resume normal
operation, check the external controls.
It may be necessary to restart your
appliance.
• To restart the boiler, press the reset
button, see chapter "How to use your
appliance
► Overview".
9.2 Appliance fails to light
The LCD will display a fl ashing 'F' and
code number,
• To restart the boiler, press the reset
button, see chapter "How to use your
appliance
► Overview".
CODE
DESCRIPTION POSSIBLE CAUSES
F1
Boiler has attempted to
light 5 times and failed on
all occassions Press the reset button.
If the fault persists, contact your Installation/Servicing
company or Glow-worm
F5
Overheat Boiler has overheated - allow to cool then press reset button