iControl Messages
Manual # 42-02-7223 C1 6-59
6
iControl DC
Loss of Position or Speed Indicators, LOSS OF POS/SPD IND
Description: A discrepancy was detected between the feedback signal from motor encoder and the velocity
feedback signal from the car top, indicating a loss of traction.
Car Reaction: Emergency Stop. Latched fault must be manually reset.
Tro ubleshooting:
1. Examine ropes and sheaves for slippage, wear or damage.
2. On iView oscilloscope or DVM connected between STP1 and STP2, compare Pattern Command and Speed
Feedback. They must match within 0.050 VDC while car is running at steady speed. If not, adjust TACH
ADJ trimpot. Please refer to “Following Error Margin” on page 2-43.
3. Use hand-held tach to verify car speed. If actual speed does not match commanded speed, adjust motor
parameter LF.22. Please refer to “Set the Following Error” on page 2-43.
4. Run the car on inspection and check the speed displayed on the iBox display.
Mac Address Error, MAC ADDRESS ERROR
Description: The iBox has detected that one of its three MAC addresses has been defaulted or set to zero.
This could lead to multiple cars having the same MAC address, which will cause network problems.
Car Reaction: None.
Troubleshooting: Remove iBox front cover. On iBox OBD select Car > View Factory Data > MAC Addresses.
Verify MAC addresses displayed on LCD match addresses on barcodes on ICE-IMP board. Correct if needed.
Machine Room Heat Detectors Activated, MR HEAT DETECTORS
Description: The machine room heat detector input is activated. The fire warning light will flash until all heat
detectors have been reset. The fire-warning buzzer will sound until the car is shutdown at a floor.
Car Reaction: A car parked at a floor will open its doors and shut down. A car in motion will proceed in cur-
rent direction to next available floor where heat detector is not tripped. If all heat detectors in current direc-
tion are tripped, car will reverse direction and proceed to first floor where heat detector is not tripped. If
again all heat detectors are tripped, car will proceed to main fire recall floor unless the car is also on Fire Ser-
vice, in which case the car will proceed to the appropriate fire recall floor. Once the car is stopped at a floor it
will automatically open its doors and shut down. Then, if the machine room or hoistway heat detectors are
active, a signal is provided to disconnect the main power line and/or activate the sprinklers where available.
Machine Room Heat Detectors Deactivated
Description: The machine room heat detector input is deactivated.
Car Reaction: The car is allowed to run.
Machine Room Inspection Disabled, MR INSP. DISABLED
Description: Machine room inspection operation has been disabled.
Car Reaction: The car cannot be run on machine room inspection operation.
Tro ubleshooting:
1. Check for any car status that might prevent machine room inspection operation, e.g. earthquake.
2. Check for the Stuck Inspection Input Fault.
3. Check all inspection buttons (Enable, Up, Down) and verify that none are stuck in the ON position.
Machine Room Inspection Enabled
Description: Machine room inspection operation which was previously disabled is now enabled.
Machine Room Inspection Operation, Machine Rm Inspection, Mach Rm Insp
Description: Car placed in Machine Room Inspection operation using the iBox Inspection switch.
Car Reaction: Car begins operating in Inspection mode. If running, the car will make an emergency stop and
is taken out of normal service. Under this mode of operation, car can only be moved manually using the iBox
Inspection Up and Down switches.
Tro ubleshooting:
1. Related inputs:
MachineRoomInspection: Normally high
Table 6.3 iControl Messages
iControl Messages
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