Troubleshooting
6-24 Manual # 42-02-7223 C1
Cartop Automatic Unintended Motion Fault, CARTOP AUTO UIM FLT
Description: Unintended motion fault detected while car was running under Passenger operation.
Car Reaction: Emergency Stop. Cancel all calls. This fault will self reset.
Tro ubleshooting:
1. Check the iView Event Log for preceding activity.
2. Correct initiating problem, if any.
Cartop Communication Established
Description: Communication between iControl (iBox) and the iLink ICE-CTP board has been established. This
communication is through twisted-pair, shielded cabling in the traveler cable.
Cartop Communication Fault, CARTOP COMM FAULT
Description: Communication fail between iControl and iLink. This communication is through twisted-pair,
shielded cabling in the traveler cable.
Car Reaction: Emergency Stop. Cancel all calls.
Tro ubleshooting:
1. Check connections at the iBox and iLink ends. Refer to -CW job print drawing.
2. If connections are clean and tight, use an oscilloscope to check TX and RX signals. Or, if practical, con-
nect the iBox end of the connection to another iControl in the machine room and see if that controller can
communicate with the iLink box.
3. If required, replace the iLink Cartop board or the iBox as appropriate.
Cartop Emergency Stop
Description: The cartop processor has detected a fault and initiated an emergency stop. The Cartop Safety
relay has opened in response to an unsafe condition.
Car Reaction: Emergency stop: Motor contactor and brake contactor immediately dropped. Cancel all calls.
Tro ubleshooting:
1. Check the iView Event Log for related preceding events.
2. Troubleshoot and correct any initiating problem.
3. Restore safety string and test.
Cartop Exit Open, CARTOP EXIT OPEN
Description: The Cartop Exit Switch input has dropped. The input is normally on when the configuration
states that the switch is installed. The input may be bypassed by: 1) the car being on car top or car panel
inspection while on earthquake, and 2) the safety bypass jumper being installed.
Car Reaction: Emergency stop if running. The car is not allowed to run until the problem is corrected.
Tro ubleshooting:
1. Check the switch status and configuration (Safety screen).
2. Check elements related to bypassing.
Cartop Exit Open Off (see: Cartop Exit Open)
Cartop Exit no Counterweight Configuration Error, CTEX NO CWI CFG ERROR
Description: Car Top Exit, on the Safety tab, has been checked but Counter weight displacement detection,
on the Car Operation - Earthquake tab, has not been checked. A car equipped with both Earthquake Opera-
tion and Cartop Exit must have a counterweight derailment device.
Car Reaction: The car is not allowed to run until the problem is corrected.
Tro ubleshooting:
1. Verify the status of the Car Top Exit parameter (Safety tab).
2. Verify the status of the Counter weight displacement detection parameter (Car Operation - Earthquake
tab).
Cartop Firmware Update Mode, CARTOP FW UPDATE MODE
Description: The cartop processor is not running the cartop application firmware but is instead either waiting
for or processing the firmware update (iView > File > Firmware update).
Car Reaction: The car is not allowed to run until the procedure is completed.
Table 6.3 iControl Messages
iControl Messages
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