Page 53
Fault Finding
This section deals with some simple fault finding procedures.
Initial Checks.
Check that the unit has been wired correctly, care must be taken to ensure that the
mains voltage and the transducer cables are connected in the right place.
Before initial switch on, the unit should be checked that it is set for the correct
voltage. If the unit is set for 110vac and is supplied 240vac then switching the unit
on may well damage the unit to an extent where it will need to be send back for
repair. If the unit is set for 240vac (which is how they leave Pulsar) and supplied
110vac then the unit may appear to work and display the correct distance (if the
product is close enough) but the relays will not operate and the unit will go LOE
when the level moves further away from the transducer.
Check that the transducer has been installed in the correct position and has a clear
as possible shot at the target, make sure any protective transit covering has been
removed.
Ensure the target is within range of the transducer.
If you are programming the unit for the first time or re-commissioning the unit it
would be good practice to default the unit back to factory settings so the instrument
would be as it was when it left here, (once you do this all your programmed
parameters will be lost).
To do this perform P88, see page 17.
If you are happy with the distance reading the unit is showing you can now program
your unit.
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