Watchdog NTC to F500 PGW CAI REV0 July 2014
Speed display is over range: check the scaling factor.
Start elevator to commence calibration procedure.
Watchdog has detected an internal fault.
Belt slipping. (xx seconds to alarm)
Belt slipping: Stop relay about to de-energise. (xx
seconds to stop)
Elevator stopped due to lack of acceleration.
Persistent alarm. (xx seconds to alarm)
Elevator stopped: Speed has exceeded over speed
limit.
Interlock signal off, waiting for zero speed.
Elevator stopped: Persistent alarm condition.
Elevator stopped: Severe under speed.
Watchdog is not calibrated: Please see the manual.
Misalignment detected at the bottom of the elevator.
Wrong access code used when changing setup.
Elevator speed less than alarm level (slipping)
Elevator speed more than alarm level ( Over speeding)
Suspected open circuit or faulty PTC bearing
temperature sensor.
Suspected fault on one or more MAS. Could be mains
pickup.
PTC Hot bearing at zone 1.
PTC Hot bearing at zone 2.
PTC Hot bearing at zone 3.
PTC Hot bearing at zone 4.
PTC Hot bearing at zone 5.
PTC Hot bearing at zone 6.
HBS is open circuit at zone 1
HBS is open circuit at zone 2
HBS is open circuit at zone 3
HBS is open circuit at zone 4
HBS is open circuit at zone 5
HBS is open circuit at zone 6
An example of the status code might be ‘2463’. The first status byte (byte 5) ‘24’ show
that the equipment is running within the specified alarm limits and the second status byte
(byte 4) ‘63’ indicate that the speed is 99% if it’s calibrated value. Where a value is not
shown or a ‘-‘is used in the table, this indicates that any data present in this field should
be ignored.
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