Troubleshooting Reference
Manual # 42-02-1P28 A3 5-81
GROUP HC BUS FAILURE (847) Description: A fuse or wiring problem has interrupted power to the hall
call circuits. Activated by HCB FAIL message from the Group via the CAN
bus.
Car actions: The car goes into emergency dispatch operation (if not over-
ridden via the related switch).
Troubleshooting:
1. Check the Group for HCB FAIL message on Status display.
2. Check the hall call bus fuse and the wires to the hall call power inputs in
the Group controller.
GS INPUT FAILURE (471)
GSR INPUT FAILURE (502)
Description: The (front/rear) Gate Switch (GS) input has detected a fail-
ure of the ABGA or GBB outputs, DPM/R, DLAB/R or the gate switch
GS OPEN-RUNNING (235)
REAR GS OPEN-RUNNING (790)
Description: Asserted if the car gate switch is not made during a run. The
car will make an emergency stop.
Troubleshooting:
Verify GS input electrically and mechanically.
HALL CALLS BYPASSED (254) Description: Hall calls are being bypassed. Typically due to heavy load sta-
tus of car.
Troubleshooting:
Automatically corrected when car load allows additional passenger.
Verify System IO > Programmed Inputs > Load Hvy.
HALL CALLS DISABLED (253) Description: Hall calls have been disabled. Typically due to heavy load sta-
tus of car.
Troubleshooting:
Automatically corrected when car load allows additional passenger.
Verify System IO > Programmed Inputs > Load Hvy.
HALL DOB BYPASSED FRONT (830)
HALL DOB BYPASSED REAR (831)
Description:
A stuck (front/rear) hall door open button has been continuously activated
for a user defined time and bypassed.
Car actions:
The door open button is rendered inoperative and the doors close.
Doors close at reduced speed if there are no other reopening devices.
Troubleshooting:
1. Check the door open button input and related circuitry.
2. Check the related stuck door open button timer.
3. Check the related option to bypass a stuck door open button.
4. Fault is cleared when the door open button is deactivated.
HC SECURITY DISABLED (821) Description:
Hall call security has been disabled. Informational.
Car actions:
Informational. All hall calls are enabled regardless of security options and
inputs statuses or settings.
Troubleshooting:
1. Check the SECURITY ENABLED option (override hall and car call secu-
rity).
2. Check the SECRTY OV input (master security override switch).
3. Check the SEC HCEN OV input (hall call security override switch)
HC-UIO-2 PI OFFLINE (794)
HC-UIO-2 CALLS OFFLINE (795)
HC-UIO HOSPITAL OFFLINE (796)
HC-UIO SPARE OFFLINE (797)
HC-UIO SPARE OFFLINE (797)
HC-UIO CARDREADR OFFLINE (798)
Description: The controller detected that a UIO board that was previously
connected is no longer communicating.
Troubleshooting:
Check CAN termination
Check cables to HC-UIO board to HC-CHP.
Table 5.10 Touch Screen Event Listings
Event Description
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