Troubleshooting
6-60 Manual # 42-02-7223
Rear Door Contact Fault, REAR DOOR CONTCT FLT
Description: A faulty rear door contact (gate switch, door lock) has been detected. This is detected when the
doors are in their fully open position and either the gate switch contact is closed or the doors appear to be
locked.
Car Reaction: All car calls are canceled and the car removes itself from hall call service. The rear doors are
not allowed to close and the car is not allowed to run.
Troubleshooting:
1. Check the rear door gate switch and door lock contact at the floor at which the car is located.
2. Check associated wiring for these signals.
Rear Door Open Button Bypassed, REAR DOB BYPASSED
Description: The rear door open button has been continuously activated for a user-defined time and is now
bypassed according to the user defined setting. (iView Controller > Configuration > Car Operation > Doors).
Car Reaction: The rear door open button is rendered inoperative.
Troubleshooting:
1. Check the corresponding input: Rear Door - Open Button (Normally low).
2. The operation of the door open button can also be restored by setting the Door open button bypass
option to off (unchecked) (iView Controller > Configuration > Car Operation > Doors).
Rear Door Open Fault, REAR DOOR OPEN FAULT
Description: One or more rear door failures to open fully have been detected. After repeated attempts to
open the door (as specified by user parameters), a door open failure is declared. The amount of time allowed
for the door to open and the number of attempts made are user parameters.(iView Controller > Configura-
tion > Car Operation > Doors).
Car Reaction: The door stalls at its last position. Car calls are canceled and the car removes itself from hall
call service (hall calls assigned to this car are canceled or reassigned to other cars if available). Doors may
be moved via constant pressure on the door open and door close buttons.
Troubleshooting:
1. The door open status is determined by the rear door open limit status.
2. Check the wiring of this signal.
3. Check the door open protection timer and number of open attempts (iView Controller > Configuration >
Car Operation > Doors).
Rear Door Open Time-out
Description: A failure of the rear door to open has been detected. The controller will attempt to open the
doors for a period of time defined by the Opening protection timer parameter (Door Motor Protection Tim-
ers). If the timer elapses prior to the doors opening fully, this event is generated.
Car Reaction: The door open cycle is halted and the door is allowed to reclose. If so configured, repeated
attempts will be made to open the door. Otherwise, the car is allowed to leave the landing once the doors are
closed.
Troubleshooting:
1. Door open status is determined by the rear door open limit and by the rear door position monitor contact
if applicable.
2. Check the wiring of these signals.
3. Check the Opening protection timer (iView Controller > Configuration > Car Operation > Doors).
Rear Doors Stopped, REAR DOORS STOPPED
Description: The Door Stop button or Emergency Stop switch was activated causing the doors to be pre-
vented from moving.
Car Reaction: The car is not allowed to move unless the doors are fully closed.
Troubleshooting: This condition can be cleared by activation of the Door Open button, Door Close button or if
the car goes into Inspection or Fire Service mode, provided that the Door Stop input is off.
Table 6.3 iControl Messages
iControl Messages
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