400 Car Park: Overflow
The car park occupancy is currently
higher than the capacity of the car park
allows for. The car park may allow the
occupancy to rise without check, or clip
it at a configured maximum. This can
occur through a large number of cars
circulating inside the car park looking for
a space, or though operator adjustment
of the occupancy, or though double
parking of vehicles within the car park. It
is also worth verifying that the capacity
of the car park is correct.
401 Car Park: Underflow
The car park occupancy is currently less
than zero. The car park will normally clip
the occupancy at zero to prevent
negative occupancies. This can occur
when more cars are detected leaving
the car park than were detected
entereing it - though operator
adjustment of occupancy, or cars
travelling over the wrong loops at the car
park.
402 Car Park: Detector Fault
One of the detectors responsible for
counting vehicles into or out of the car
park is faulty. If it is an OTU based count
site, then the fault could be a
communications problem. The
SIESPACE instation will revert to using
historical occupancy data.
403 Car Park: Ramping Error
The algorithmn used to know when to
report occupancy to the SIESPACE
instation from a Car Park Count
Outstation has failed internally. Please
report this error condition to the
helpdesk
404 Car Park: Door Open
The cabinet door on the car park
oustation has been opened. Not all
equipment supports this facility.
405 Car Park: Power Failed
The mains power supply has failed at
the car park outstation. Unless power is
restored, vehicles will not be counted
into and out of the car park, although the
present occupancy will be retained at
the Car Park Count Outstation. The
SIESPACE instation will revert to using
historical occupancy data. Not all
equipment has battery backup to enable
this error condition to be reported.
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