Troubleshooting
6-38 Manual # 42-02-7223
Floor Synchronization Fault
Description: While performing floor synchronization, the system either did not receive edge position data
from the cartop or did not detect a floor position magnet where expected.
Car Reaction: The car will stop and initiate terminal synchronization.
Troubleshooting:
1. Verify that the car was not moved after power was shut off.
2. Move the car past floors around the vicinity of the fault and verify the proper activation of the LU and LD
sensors.
3. Verify that the system is communicating with the cartop (no Cartop Communication Fault).
4. Verify that the absolute and cartop positions change by the same amount and in the same direction while
moving the car.
5. Verify that a magnet has not fallen off.
6. Check the clearance between the floor sensor board and the magnets. Sometimes this clearance will be
off just enough to make some magnets fail to register properly. Adjust clearance if necessary.
7. Re-learn the floor heights.
8. The iLink, iLand or iBox may be faulty.
Front Auxiliary Door Open Button Bypassed, FRONT AUX DOB BYP
Description: The front auxiliary 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 Opera-
tion > Doors)
Car Reaction: The front auxiliary door open button is rendered inoperative.
Troubleshooting:
1. Check the corresponding input: Front Auxiliary 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).
Front Door Close Fault, FRONT DOOR CLOSE FLT
Description: One or more front door failures to close have been detected. The controller will attempt to close
the doors as defined by user parameters (door close protection timer and number of attempts) before
declaring this fault. (iView Controller > Configuration > Car Operation > Doors)
Car Reaction: The doors will reopen fully. All car calls are canceled and car removes itself from hall call ser-
vice (hall calls assigned to this car are canceled or reassigned to other cars if available). Doors may be closed
using constant pressure on the front door close button.
Troubleshooting:
1. Door closed status is determined by the front door close limit and by the front door position monitor con-
tact if applicable. Check the wiring of these signals.
2. Check the door close protection timer and number of closing attempts on the Car Operation - Doors tab.
Front Door Close Fault Recovery Failure, F DR CLS FLT REC FAIL
Description: The Door Close Fault Recovery timer starts when a Door Close Fault is generated. When the
timer expires, the Door Close Fault is cleared to allow the doors to again attempt to close (see Front Door
Close Fault). This is repeated the number of times specified by the Door Close Fault Recovery Attempts
parameter. If the doors have failed to close when the number of attempts equals the recovery attempts
parameter setting, the Front Door Close Fault Recovery Failure is generated.
Car Reaction: The car is not allowed to run until a mode change is detected or the doors are successfully
closed via constant pressure on the Door Close Button.
Troubleshooting:
1. Door closed status is determined by the front door close limit and by the front door position monitor con-
tact if applicable. Check the wiring of these signals.
2. Check the door close protection timer and number of closing attempts on the Car Operation - Doors tab.
Table 6.3 iControl Messages
iControl Messages
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