LEGRAND Trimod HE - Page 40

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MESSAGES DISPLAYED ON START-UP
MESSAGE MEANING AND OPERATING ADVICE
WARNING:
Alarm records in memory!
It is necessary to conrm the turning on of the UPS in presence of alarms in the
even list
WARNING: different UPS setup!
The UPS conguration changed from the previous time the UPS was turned on.
A skilled technician must verify the conguration before turning on the UPS.
Maintenance Bypass! Open output
Open the output breaker before turning on the UPS to exit the manual mainte-
nance bypass mode.
Turn ON after low battery turn OFF. The UPS is turned on after a previous end of autonomy in battery mode
<ENTER> to confirm UPS turn ON Press the ENTER key to turn on the UPS
CRITICAL EVENTS (paragraph 5.4.4)
MESSAGE MEANING AND OPERATING ADVICE
Inverter Fail
Fault detected in the Inverter circuit. One or more power modules are faulty.
A skilled technician must replace them.
Booster Fail
Fault detected in the Booster/PFC circuit. One or more power modules are
faulty. A skilled technician must replace them.
Battery Charger Fail
Fault detected 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 Overload. Check the load level connected to the UPS.
H.V.Bus Runaway Failure Contact the LEGRAND Technical Support Service
Output DC Level
A skilled technician must check that there is not a faulty power module or a
voltage backfeed from the load
Battery voltage too high Battery voltage too high. A skilled technician must check the batteries.
Power Module comm. failure Contact the LEGRAND Technical Support Service
Emergency Contact the LEGRAND Technical Support Service
Load turned OFF The load power has been cut o
Irregular TurnOff
UPS shutdown in an anomolous way. The skilled technician must make sure
that there is no voltage inside the UPS before performing any maintenance
operation.
Overload TurnOff UPS shutdown due to an extended overload
Emergency Power Off turn-OFF UPS shutdown due to an Emergency Power O
Battery KO Fault in the batteries. A skilled technician must check them.
Power Module battery wiring
failure
There is a fault in the connection of the batteries to the power modules.
One or more power modules are faulty. A skilled technician must replace them.
continues...
6. Diagnosis