LEGRAND Trimod HE - UPS Startup and Event Handling; Messages Displayed on Startup; Critical Events and Fault Conditions

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ALARMS
MESSAGE MEANING
INVERTER FAIL
Fault detected in the Inverter circuit. One or more power modules are faulty.
A skilled technician must replace them.
BOOSTER FAIL
Fault occurred in the Booster/PFC circuit. One or more power modules are
faulty. A skilled technician must replace them.
CHARGER FAIL
Fault occured in the Battery charger circuit. One or more power modules are
faulty. A skilled technician must replace them.
OVERHEAT Overheating. Check the UPS ventilation system.
OVERLOAD The load is higher than the rated power of the UPS.
HVBUS RUNAWAY Contact the LEGRAND Technical Support Service
OUTPUT DC LEVEL ERROR
A skilled technician must check that there is not a faulty power module or a
voltage backfeed from the output
BATTERY VOLTAGE TOO HIGH Battery voltage too high. A skilled technician must check the batteries.
MODULE COMMUNICATION FAIL
PM -> CM
Fault in the communication with the power modules.
Contact the LEGRAND Technical Support Service.
BATTERY WIRING FAIL
Error in the battery connection with the power modules.
One or more modules are faulty. A skilled technician must replace them.
MAINS WIRING FAIL
Error in the mains connection with the power modules.
One or more modules are faulty. A skilled technician must replace them.
H.V.BUS WIRING FAIL
Error in the DC bus connection with the power modules.
One or more modules are faulty. A skilled technician must replace them.
BATTERY DISCONNECTED OR
POLARITY INVERTED
The batteries were not connected correctly ot the polarity has been inverted
MODULE COMMUNICATION FAIL
CM -> PM
Fault in the communication system with the power modules.
Contact the LEGRAND Technical Support Service.
UNPROTECTED LOAD Load not protected
MAKE MAINTENANCE Contact the Legrand Technical Support Service
CHECK BATTERIES A skilled technician must check the battery status
REFERENCE ERROR OVER CAN
NETWORK!
Synchronisation failure among the command boards.
Contact the LEGRAND Technical Support Service.
CM FAILURE ON CAN NET
Synchronisation failure among the command boards.
Contact the LEGRAND Technical Support Service.
BACKFEED
A backfeed error has been detected.
Contact the LEGRAND Technical Support Service.
ABNORMAL BATTERY DRAIN
Abnormal battery drain.
Contact the LEGRAND Technical Support Service.
6. Diagnosis