Parameter: See Annex X
Access to the Pit
Is detected by operating the pit stop switch or by switching the pit control panel on to ‘inspection’.
(both conditions open the safety chain on point SE1).
This condition activates the Fault RSP (code 20) and prevents the movement of the elevator car in normal operation.
After the end of the Inspection manoeuvre the personnel must:
• Remove the protections (in case of manual protections in the PIT), Return the selector switch and any STOP
buttons to ‘Normal’ and exit the shaft of lift.
• Close the landing doors (check the safety chain) and carry out the reset using one of the following methods:
– From lowest floor with three quick opening / closing of the release key.
– From the panel with three quick presses of button.
– From the PlayPad with specific reset (RSP reset).
Characteristics of the auxiliary contact on the door (s) of the lowest floor:
• Monostable NC contact (does not open during normal door operation).
The auxiliary contact is electrically connected to the DOOR Contact input of BDU of the lowest floor.
Access on the Car roof
Access to the shaft is detected by opening a contact using the release key which activates the RSP fault (code 21),
preventing the elevator car from moving in normal operation (a run is only possible in ‘Inspection’ mode). Before
entering the shaft of lift, wait for the traffic light to indicate the safe condition (green light).
After the end of the Inspection manoeuvre the personnel must:
• Remove the protections (in case of manual protections), Return the selector switch and any STOP buttons to
‘Normal’ and exit from the lift well.
• Close the landing doors (check the safety chain) and carry out the reset using one of the following methods:
– From floor with three quick opening / closing of the reset key (optional).
– From the panel with three quick presses of button.
– From the PlayPad with specific reset (RSP reset).
Reset fault RSP on the Lift Controller and make coil’s reset on the bistable contacts on the Landings
If the controller detects an automatic contact reset (contact close before reset procedure) it gives again a Fault RSP
(Cod 121) as a fault on coil’s reset circuit.
Characteristics of the auxiliary contact (BERNSTEIN type) on all doors except those on the lowest floor:
• Bistable NC contact (does not open during normal door operation) connected to a dedicated input.
• 230 Vac reset coil.
Optional reset key switches are electrically connected to the BDU’s DOOR Contact input.
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