Control-panel display (cont.)
BYPASS SWITCH Q3BP
IS CLOSED
Maintenance bypass switch Q3BP is closed. The system is in maintenance configuration and the load is supplied by the bypass AC source.
STATIC SWITCH (M2) OFF
DUE TO AN OVERLOAD
The load is no longer supplied by the bypass AC source (M2), due to an extended overload. The buzzer sounds continuously.
BATTERY CHARGING
I BAT. = XXX A U BAT. = XXX V
The battery is currently being recharged.
BATTERY AT END OF SERVICE LIFE
CALL MAINTENANCE
The battery is nearing the end of its estimated service life. This information is based on average
EMERGENCY OFF OR FULL SHUTDOWN
This message is displayed when either the external
◗shutdown of the inverter;
◗shutdown of the rectifier/charger;
◗opening of the battery circuit breaker;
◗activation of a relay contact on the
To fully
THE BATTERY C.B. QF1 IS OPEN, CHECK THE INSTALLATION
Battery circuit breaker QF1 is open. The load is no longer protected because battery power is no longer available in the event of a normal AC source outage. The buzzer sounds continuously.
LOW BATTERY SHUTDOWN
The inverter has shut down at the end of battery power. The buzzer sounds continuously.
INTERNAL UPS FAULT,
INVERTER FAULT,
CALL MAINTENANCE
A fault has occurred in the inverter. Servicing by the
INTERNAL UPS FAULT,
CHARGER FAULT,
CALL MAINTENANCE
A fault has occurred in the rectifier/ charger. Servicing by the
FORCED TRANSFER TO INVERTER REQUESTED, POWER TO LOAD MAY BE INTERRUPTED, CONFIRM YOUR REQUEST WITH KEY 
The requested transfer to the inverter may provoke an interruption in the supply of power to the load if Mains 2 characteristics are not within the specified tolerances.
THE NUMBER OF UPS READY IS INSUFFICIENT,
LOAD TRANSFER IN STAND BY
This message may be displayed in non- redundant, parallel UPS systems, when the number of ready inverters in not sufficient to supply the load.
INVERTER NOT CONNECTED
This message may be displayed in parallel UPS systems, when the inverter is not connected to the load.
PARALLEL UPS,
FORCED TRANSFER INHIBITED
This message is displayed when forced connection is requested on a parallel UPS system for a power extension.
INTERNAL UPS FAULT,
SELF-TEST FAULT
Communication between the system and the display is faulty. The buzzer sounds slowly and discontinuously.
FORCED TRANSFER TO M2 REQUESTED,
POWER TO LOAD MAY BE INTERRUPTED
CONFIRM YOUR REQUEST WITH KEY 
This message is displayed following pressing of the
UPS SUPPLIED BY A GENERATOR SET
This message informs the user that the UPS has received the order to limit the current drawn by the rectifier/charger.
It is displayed when the corresponding signal is transmitted by the remote indications board which must be configured for this function.
