Troubleshooting
6-32 Manual # 42-02-1P21
PRESSURE SWITCH ACTIVATED
Description: This message is displayed when the Pressure Switch Input (PSS) is programmed and
activated (low).
Troubleshooting: Check the associated hardware device and take appropriate action.
R2L INPUT FAILURE (CTLA)
Description: The R2L input monitors the state of the 2L relay. The R2L input must be low when the
2L bus is active and high when the 2L bus is low.
Troubleshooting: Check the circuitry associated with the 2L relay.
REAR CAR DOOR BYPASS SW FAILURE
Description: The rear car door bypass switch has failed.
Troubleshooting: Check for proper function of the switch.
REAR DOL & DLK ARE BOTH ACTIVE
Description: The Door Open Limit Rear and the Door Lock inputs are both active, DOLR=0 and
DLK=1. A problem with DOLR and/or DLK circuitry or wiring.
Troubleshooting: Inspect the Door Open Limit Rear and the Door Lock circuitry and wiring. When
this error is generated, the car will shutdown with the doors open and will not answer any calls. To
reset this error condition, putt the car on Inspection operation.
REAR DOOR FAILED TO CLOSE
Description: Doors Open (DCLR = 1). There is a problem with DCLR circuitry or wiring.
Troubleshooting: Inspect the Door Closed Limit Rear circuitry and wiring. When this error is gen-
erated, the car is not allowed to run.
REAR DOOR IS LOCKED BUT NOT FULLY CLOSED
Description: Rear Doors Open (DCLR = 1) and Locked (DLK = 1). Indicates a problem with DCLR
and/or DLK circuitry or wiring.
Troubleshooting: Inspect the Door Closed Limit Rear and the Door Lock circuitry and wiring.
When this error is generated, the car is not allowed to run.
REAR DOOR LOCK SWITCH FAILURE
Description: The rear door lock contacts have failed closed.
Troubleshooting: Ensure that with the rear hoistway doors closed and locked, there is power on
the DLSR input an no power present on the DCLR input.
REAR DOOR OPEN LIMIT FAILURE
Description: The rear door open limit switch has failed open.
Troubleshooting: Ensure that the rear car gate is open, there is no power on the DOLR input and
no power is present on the DLR or GSR inputs.
REAR GATE SWITCH FAILURE
Description: The rear car gate switch has failed closed.
Troubleshooting: Ensure that with the rear car gate closed, there is power on the GSR input an
no power present on the DCLR input.
REAR HOISTWAY DOOR BYPASS SW. FAILURE
Description: Indicates that the REAR HOISTWAY DOOR BYPASS switch has failed.
Troubleshooting:
1. Cycle the HC-CTL-2 board hoistway door bypass switch a few times to exercise it. Verify that it
is fully in the ON or OFF position.
2. Verify 2 bus and DLABR connections and wiring.
Table 6.1 Status and Error Messages
Scrolling Message - Special Event Message
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