The Computer
5-82 Manual # 42-02-1P28 A3
HDB SWITCH FAULT (228) Description: Generated when the HDB and HDBO inputs are in the same
state (both low or both high) indicating a possible failure of the Hoistway
Door Bypass Switch.
Troubleshooting:
Toggle hoistway door bypass switch and verify that diagnostic LEDs HDB,
HDBO also toggle (System IO > System Inputs).
Verify HDBPTST jumper is inserted in the OFF position.
HEAVY LOAD (46) Description: The car is loaded beyond the heavy load setting. Under this
condition, a moving car will ignore additional hall calls until the load is
reduced by passenger departure. Fault-bypassed in Construction.
System Verifies:
- Status of input
- Load Data = Load Heavy
Troubleshooting:
1. If in error, verify no input is programmed for Load Hvy.
Otherwise, verify status of input and input device.
1. Verify input wiring.
3. Verify System IO > Programmed Inputs > Load Hvy.
4. Calibrate load weigher.
HOIST. ACCESS CONSTRUCT (56) Description: The car is on construction operation and hoistway access.
Cannot be bypassed.
Troubleshooting:
Exit construction operation See Construction Operation on page 3-4
HOIST. ACCESS INSPECTION (60) Description: The car is on Inspection mode and hoistway access. Cannot
be bypassed.
System Verifies: - Mode of Operation = Inspection HA
Troubleshooting:
If in error, verify INA input.
IMPROPER SHUTDOWN
(EDGE) (158) Description: This fault is generated by the LS-EDGE landing system if
position storage fails during a power down. This may occur if the processors
are manually reset, or the internal backup supply fails. This fault will cause
a terminal sync.
Troubleshooting:
1. If the fault is generated due to a manual rest of the processors, no action
is required.
2. Observe the CPU LEDs on the LS-EDGE landing system at the moment of
power loss, the LEDs must remain active for a period no less than 10 sec-
onds. If they do not, replace the LS-EDGE landing system.
ICE-COP (3 or 7) is Offline
(849-850)
Description: The controller has detected that an ICE-COP-2 board with
configured I/O has been disconnected.
Car actions: Car will stop at the next floor and be taken out of service.
Troubleshooting:
1. Check connection of ICE-COP-2 boards in the control cabinet.
2. Check programming that I/O has not been assigned to ICE-COP-2 termi-
nals if ICE-COP-2 boards are not being used.
ICPD INPUT FAILURE (465) Troubleshooting:
1. Check for incorrect wiring or short on the HC-CTL-2 board ICPD input and
2 bus.
2. Replace the HC-CTL-2 board.
Table 5.10 Touch Screen Event Listings
Event Description
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