User Manual 10H52258UM60 - Rev. 3 - 01/2019
46
APM 400/600
Operation Control and Display
Alarm
Description
ParaMonCANComm.Abnor.
Communication failure between racks
PowerCAN Comm. Abnor.
Communication failure between inverter, rectifier and bypass
ParaPowerCANCommAbnor.
Communication failure between different UPSs in parallel system. Check if any
of the UPS units are de-energized or if any of the parallel cables are not
connected correctly, then clear the fault in order to restart the UPS
Discr.BusComm.Abnor.
Communication failure on the discrete bus inside the rack. We recommend
confirming that the rear communication cables inside the rack are connected
reliably
ParaDiscrBusCommAbnor.
Communication failure on the discrete bus inside the rack. We recommend
confirming that the rear communication cables inside the rack are connected
reliably, and that the bypass module is secured properly
Ambient Overtemp.
The ambient temperature over-limit threshold; this value may be set-up using
the configuration software
Byp. SCR Fan Abnormal
The internal bypass module fan is faulty
Top-outlet Fan Abnor.
The top air outlet fan is faulty
System Interrupt Xfer
Execute the interval transfer under conditions of bypass undetectable and
inverter phase not locked
Para. Cable Abnormal
The parallel cables are not connected correctly, or they are damaged
LBS Cable Abnormal
The LBS cables are not connected correctly, or they are damaged
Capacity Exceeded
System overload
Loss of Redundancy
Loss of redundant capacity
Pwr. Hardware Mismatch
The model information set-up on the host is inconsistent with the actual
situation
Module Overtemp.
Over-temperature condition on the rectifier and inverter power components
inside the module
Charger Overtemp.
Over-temperature condition on the charger power components inside the
module