Troubleshooting
5-34 Manual # 42-02-2P24
MTPM INPUT FAILED TO ACTIVATE
Description: The voltage monitored at the TC-MPI board PM triac did not go low when the triac was acti-
vated.
Troubleshooting:
1. Check the PM test point. There should be 0V here when the triac is attempting to pick the contactor
PM.
2. Check PM, PM2 and 2MV screw terminal connections and wiring.
MTPM INPUT FAILED TO DEACTIVATE
Description: The voltage monitored at the TC-MPI board PM triac did not go high when the triac was deac-
tivated.
Troubleshooting:
1. Check the PM test point. There should be 120V here when the triac is not attempting to pick the con-
tactor PM.
2. Check PM, PM2 and 2MV screw terminal connections and wiring.
MUSE INPUT IS LOW
Description: This is a hydraulic controller error message. On the Motion 4000, it indicates that the F1
menu, CONTROLLER TYPE, has been unintentionally set to M2000. To correct, set CONTROLLER TYPE to
M4000 and save parameters.
NORMAL OPERATION
Description: The elevator is on “automatic” or Normal passenger operation.
NORMAL (PIT FLOOD) OPERATION
Description: The elevator is on “automatic” or Normal passenger operation with the pit flood input active.
In this mode, the car will not serve floors beneath the flood level set. Please refer to “FLR COUNT BELOW
FLOOD LEVEL?” on page 4-47.
Troubleshooting:
1. If pit flood operation is in error, refer to the drawings for the job and verify the PTFLD input is correctly
configured (connected/disconnected/connected in error).
OVERLOAD CONDITION
Description: The car appears to be overloaded, as indicated by the load weigher input OVL.
Troubleshooting: Check the OVL input. If power is present on the OVL input, the load weigher contact
associated with this input is closed. This contact being closed indicates the car is overloaded.
PASSCODE REQUEST
Description: The Passcode Request Option is active (System Mode Menu).
Troubleshooting: System can be run on Inspection only. Passcode must be entered correctly in System
Mode Menu to deactivate this option and allow the controller to run normally. See 4-56.
POWER TRANSFER INPUT ACTIVE
Description: The PTI input has been activated.
Troubleshooting: In Program Mode, see if a PTI input is programmed and if it is active.
PMP INPUT FAILED TO ACTIVATE
Description: Normally closed Auxiliary contactor for PM contact did not drop out at end of run.
Troubleshooting:
1. Check PMP testpoint for 120V on TC-MPI board. When PM contactor is dropped, PMP should go high.
PMP INPUT FAILED TO DEACTIVATE
Description: Normally open Auxiliary contactor for PM contact did not pick at end of run.
Troubleshooting:
1. Check PMP testpoint for 120V on TC-MPI board. When PM contactor is dropped, PMP should go low.
Table 5.1 Status and Error Messages
Scrolling Message - Special Event Message
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