Troubleshooting
6-36 Manual # 42-02-7223 C1
Emergency Power Activated
Description: Commercial power has been lost and power is now supplied by an emergency power generator.
Car Reaction: Car will make an emergency stop due to loss of power and will remain shut down until com-
manded to either lower to a pre-determined floor or proceed to next available floor. Once all cars have
reached a floor, one or more cars will be selected to run under emergency power generator.
Tro ubleshooting:
1. Related inputs: EPI: Active level field adjustable.
Emergency Power and no communication with group, EMERG PWR NO COMM
Description: iControl has detected that an emergency power condition exists and it has not established com-
munication with the emergency power supervisor (typically a group controller).
Car Reaction: The car is not allowed to move to prevent overloading the emergency power generator. If the
car is moving when the event occurs, the car will make an emergency stop. motor contactor and brake con-
tactor are immediately dropped. The car is also shut down (calls and all other demands are canceled).
Tro ubleshooting:
1. If this condition exists and the system is NOT operating under emergency power, refer to the job prints
and verify wiring to the controller Emergency Power status input.
2. Verify correct input state (high/low) on iView/Car Operation/Emergency Power/EPI Input setting.
3. Check group to car communication.
Emergency Power Deactivated. See Emergency Power Activated.
Description: This event is logged when commercial power is restored.
Tro ubleshooting:
1. Related inputs:
EPI: Active level field adjustable.
Emergency Power Recall, EMERG POWER RECALL. See Emergency Power Activated.
Description: Logged when elevator has been commanded to lower to emergency power recall floor.
Car Reaction: Car proceeds to user-defined emergency power recall floor. Door operation at recall floor in
accordance with user defined door operation under emergency power recall conditions.
Tro ubleshooting:
1. Related inputs:
EPR: Normally low (high to lower the car)
PTR: Normally low (low to lower the car)
Emergency Power Recall (In Service), EP RECALL-IN SERVICE
Description: This event is logged and related car status messages displayed on the OBD and iView if a car
that has been commanded to recall during emergency power remains in service for car calls.
Car Reaction: An attendant operated car (FIRE II, IND, ATS, CFSS In-Car, EMS) goes back into service for car
calls only when it is selected to recall. The car is shut down once it is at a floor with doors open or if the car
fails to move or open its doors within a user defined timer (30 seconds).
Troubleshooting: Check the Emergency Power Version option (System > Configuration > Emergency Power)
and set it to Pre 2008 if this operation is not desired.
Emergency Power Run, EMERG POWER RUN. See Emergency Power Activated.
Description: This elevator is allowed to respond to calls during emergency power operation.
Tro ubleshooting:
1. Related inputs (only on elevators with emergency power overlay operation)
EPR: Normally low (low to run the car)
PTR: Normally low (low to run the car)
Table 6.3 iControl Messages
iControl Messages
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