Troubleshooting
5-20 Manual # 42-02-2P24
MHDB INPUT FAILURE
Description: The Hoistway Door Bypass Monitor (MHDB) input has detected a failure of the Hoistway Door
Bypass (HDB) or (HDBA) outputs.
Troubleshooting:
1. Toggle door bypass switch on HC-CTL board a few times, make certain it is fully in ON or OFF position.
2. Briefly disconnect then reconnect CAN connection to CTL board to reset processors.
MHDBR INPUT FAILURE
Description: The Rear Hoistway Door Bypass Monitor (MHDBR) input has detected a failure of the Rear
Hoistway Door Bypass (HDBR) or (HDBBR) outputs.
Troubleshooting:
1. Toggle door bypass switch on HC-RDR board a few times, make certain it is fully in ON or OFF position.
2. Briefly disconnect then reconnect CAN connection to RDR board to reset processors.
MOTOR LIMIT TIMER (ANTI-STALL) ELAPSED
Description: The Starter or Thermal Overload has tripped or there is a mechanical problem that prevents
or slows motion of the car.
Troubleshooting: To clear the condition, the car must be put on Inspection, then back into Normal opera-
tion, or the RESET button must be pressed. Immediately check the starter and thermal overloads and all
circuitry associated with the motor.
MPI SPA IS OFFLINE, MPI SPB IS OFFLINE, MPI SPC IS OFF LINE
Description: The indicated safety processor on the TC-MPI board is off line.
Troubleshooting:
1. Verify CAN connection to TC-MPI board.
2. Reset processors (MPI board RSTA, RSTB, RSTC buttons).Verify ON LED lighted for all processors.
3. If fault occurs while updating software, refer to update instructions and repeat process.
MPI-A BRAKE MODULE 1 IS OFFLINE
Description: Brake module 1 is not responding.
Troubleshooting:
1. Check the CAN connection to the module.
2. Check power connections to the module.
3. Replace the module.
MPI-A BRAKE MODULE 2 IS OFFLINE
Description: Brake module 2 is not responding.
Troubleshooting:
1. Check the CAN connection to the module.
2. Check power connections to the module.
3. Replace the module.
MPI-A LANDING SYSTEM ETS MISMATCH
Description: SPA on TC-MPI board and landing system ETS positions do not match.
Troubleshooting:
1. Program the desired ETS Overspeed percentage, F7 204.
MPI-A LANDING SYSTEM FLOOR MISMATCH (FLOOR LEARN REQUIRED)
Description: The MPI or LS-EDGE has been replaced and floor tables do not match.
Troubleshooting:
1. Perform a floor learn.
Table 5.1 Status and Error Messages
Scrolling Message - Special Event Message
To Next Page
Loading...
Need help?
General
