Troubleshooting
6-58 Manual # 42-02-7223
Position Synchronization Required at Floor, POSITION SYNC-FLOOR
Description: The elevator needs to verify position by crossing a door zone sensor.
Car Reaction: Cancel all existing calls, synchronize to floor.
Position Synchronization Required at Terminal, POSITION SYNC-TERMINAL
Description: Elevator is lost and needs to locate a terminal door zone sensor to establish position.
Car Reaction: Cancel all existing calls, synchronize to terminal.
Position Synchronized at Floor
Description: Elevator completed synchronizing position using a door zone sensor. See Position Synchroniza-
tion Required at Floor.
Car Reaction: Return to normal service.
Position Synchronized at Terminal
Description: The elevator has completed synchronizing its position using a terminal door zone sensor. See
Position Synchronization Required at Terminal.
Car Reaction: Return to normal operation.
Power Transfer Input Activated, Power Transfer, POWER TRANSFER
Description: Power transfer input activated. Power transferring from emergency to commercial service.
Car Reaction: Cancel existing calls. Stop at next floor and open doors.
Troubleshooting: Check the Power Transfer input.
Power Transfer Input Deactivated
Power Up Position Synchronization Required at Terminal
Description: Position synchronization at terminal landing required after power-up/reset. Terminal synchroni-
zation after power-up will occur if the elevator was required to synchronize before power was lost or the con-
troller was reset, or if synchronization information in battery backed SRAM is invalid.
Car Reaction: The elevator will synchronize at a terminal landing.
Troubleshooting:
1. Battery may need to be changed.
2. Check for faulty SRAM.
3. Check for SRAM not correctly inserted in socket.
4. Check for faulty iBox.
Pre-start Door Lock Fault
Description: Once the decision to move the elevator has been made, three acknowledgments (motion start,
door lock and drive start) must be received before physical movement is allowed. However, if the system is
so configured, pre-start sequencing will begin while the doors are closing. If the door lock acknowledgement
is not received within 15 seconds (after the pre-start sequence is begun), this fault is generated.
Car Reaction: The pre-start sequence will stop and the sequence will repeat. If the fault persists, an exces-
sive restarts fault will occur.
Troubleshooting:
1. Verify that the doors (front and/or rear) become locked within the prescribed time.
2. Verify, iView Diagnostics - Motion tab, that system sees doors closing and locked within prescribed time.
The information reflects front and rear door status combined.
3. Verify, via the Diagnostics - Car Operation - Front/Rear tabs, that the system sees the front/rear doors
closing and becoming locked within the prescribed time.
Primary Fire Switch Bypass, PRI FIRE SWITCH BYP
Description: The primary fire switch is in the Bypass position.
Car Reaction: According to selected Fire Code.
Troubleshooting:
1. Check the primary fire recall switch inputs.
Table 6.3 iControl Messages
iControl Messages
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