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Annex E
LCD error messages
*** ERROR ***
* Pre-Flame level *
Resetting instrument
Indicates too much ‘stray’ light is
entering the device, the sensors
consider the flame is already lit.
• Ensure the chimney inspection
flap is closed, the instrument is
not located near a window (or
the blinds are closed) and that
exceptionally bright LED lighting
is not positioned directly above
the instrument.
• Ensure the flame is in fact not
lit.
*** ERROR ***
* Flame gone out*
Resetting instrument
Indicates the flame has failed. If it
is the first occasion during flame
start up then repeat the process it
can take some time for gas to fill
the system. Ensure the flame once
lit is set to a sufficient level. Ensure
that the flame is not too small
during the 2 minute pump warmup
phase.
• Ensure the gas supply is not
interrupted and that sufficient
gas at source is provided.
• Ensure that the air flow is not
interrupted and that sufficient
air flow is permitted.
• Conduct an aspiration test.
• If using alternate air, ensure
that the pressures and flow
meet the supply requirements.
*** ERROR ***
* U-Tube Fault *
Resetting instrument
Indicates that the drain cup switch
has not detected a suitable level of
water in the drain cup.
• Ensure water is present in the
U-Tube and the inner bucket of
the drain cup is filled to
overflowing.
• Ensure the float on the liquid
level detection monitor is free
to move and not binding to the
side of the cup.
• Ensure the float detection
switch is plugged in fully within
the suitable port on the side of
the instrument.
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