Status and Error Messages
5-17
5
Motion 4000
LS-EDGE CPU-B IS OFFLINE
Description: CPU-B in the LS-EDGE sensor head is not communicating.
Troubleshooting:
1. Verify sensor to cartop connection.
LS-EDGE DZF OUTPUT REDUNDANCY FAULT
Description: Measured DZ and the 24VDC discrete DZ sent to the MC-LSI do not match.
Troubleshooting:
1. Check for back-fed wires at the MC-LSI or HC-CTL board.
2. When the reader is sensing a DZ magnet (DZ LED on the reader is on), there should be 24VDC at the
DZ_M terminal on the MC-LSI board.
3. Conversely, there should be about 0VDC at the DZF-M terminal on the MC-LSI board when the reader
is not sensing DZ.
LS-EDGE DZR OUTPUT REDUNDANCY FAULT
Description: Measured DZR and the 24VDC discrete DZR sent to the MC-LSI do not match.
Troubleshooting:
1. Check for back-fed wires at the MC-LSI or HC-CTL board.
2. When the reader is sensing a DZR magnet (DZR LED on the reader is on), there should be 24VDC at
the DZR_M terminal on the MC-LSI board.
3. Conversely, there should be about 0VDC at the DZR-M terminal on the MC-LSI board when the reader
is not sensing DZR.
LS-EDGE LEARN MODE ACTIVE
Description: The LS-EDGE hoistway learn procedure is active.
Troubleshooting:
Informational only.
LS-EDGE QUADRATURE SENSOR LOSS
Description: One pair of LS-EDGE quadrature signals have been lost.
Troubleshooting:
1. A hall effect sensor may have failed or the bias magnet is broken or defective.
LS-EDGE STUCK SENSOR FAULT
Description: A leveling or terminal sensor is not changing state.
Troubleshooting:
1. Verify the LED indicators show state changes while traversing door zones, ETS, or Terminal magnets.
2. Replace LS-EDGE tape reader.
LS-EDGE TOP TERMINAL POSITION DEVIATION
Description: LS-EDGE encountered terminal magnets that do not match the learned positions.
Troubleshooting:
1. Verify magnets for terminals have not been changed.
2. Relearn terminal magnet locations by performing a floor learn.
M2L INPUT FAILURE
Description: The M2L input monitors the status of the relay contacts of SAFL and SAFS against the circuits
that drive these relay coils. Bus 2L should be 120VAC and relay SAFL should be picked only if the doors are
locked. 2MV bus must also be active. The M2L input is verified when the PM contactor is energized.
Troubleshooting:
1. Check or replace relays SAFL and/or SAFS on the HC-CTL board.
2. Verify that IDC terminal 2L on the HC-CTL board connects to IDC terminal 2L on the TC-MPI board.
Table 5.1 Status and Error Messages
Scrolling Message - Special Event Message
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