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MV Heating UK Ltd
5A. Maintenance
In a normal working state the ECU will automatically
examine voltage, glow plug, fuel pump, motor and
flame sensor. Any trouble with any of these will be
displayed by the burning indicator.
If the heater fails to ignite after 90 seconds of the start
up procedure, it will automatically restart the process
after a further 15 seconds. If it fails to ignite again it will
turn itself off and the fault code will begin to flash (see
Fault Finding, page 19).
If the flame burns out abnormally while the heater is
running, simply re-start it and try again.
A premature shut down of the heater can be caused by
poor circulation of coolant causing the heater to
overheat. The burning indicator will continuously flash
and the buzzer will howl. After trouble shooting, simply
turn off the heater and re-start.
Any voltage below 10v or above 19v (on a 12v model) or
below 15v and above 32v (on the 24v version) will be
considered abnormal and the indicator will flash the
relevant code. For the sake of protection the heater will
also switch itself off.
