Chapter 5 : Menus
UPS/NTA GB/ DELMX_EXPC1C3C6.B
page 39
12.10.4.List of alarms for central bypass systems
List on the central bypass cabinet
Wording
Comments
Imminent stop
Informs about the risk of load disconnection
Transfer blocked
Due to 4 transfers within 60 seconds (set by default)
Inverter or mains source can still be chosen.
Transfer impossible
The load can not be transferred from one source to the
other (mains or inverter)
Battery local alarm
Information concerning the battery room
Maintenance bypass fault
Q5 and Q3 closed simultaneously
Bypass general alarm
Activated if an alarm or a fault occurred on the bypass
Inverter general alarm
Activated for every fault or alarm related to the inverter
UPS overloaded
While on inverter, if the load rate is > 103%
While on mains, if the load rate is > 105%
Monitoring general alarm
Summary of alarms of the unit monitoring
Mimic panel general alarm
Communication failure between:
- the mimic panel and the Com-slot frame,
- the mimic panel and the micro controller PCB
General alarm on unit 1, 2, 3, 4, 5 or 6
Informs about the unit failure
Alarm loss of redundancy
Refers to a redundant system where the loss of one unit
causes an overload on the remaining units
List of alarms of the module
Wording
Comments
Imminent stop
Informs about the risk of unit uncoupling
Battery discharged
End of back up time of the unit
Operating on battery
The UPS is operating on battery (battery discharging)
Battery alarm
May be several causes : end of slow discharge, battery
connection open, battery discharged.
Battery test interrupted
Battery can not supply energy
Battery circuit open
Switch Q20 is open
Battery local alarm
Information concerning the battery room
Inverter general alarm
Activated for every fault or alarm related to the inverter
Unit overloaded
While on inverter, if the load rate is > 103%
Rectifier general alarm
Activated for every fault related to the rectifier
Monitoring general alarm
Summary of alarms of the unit monitoring
Mimic panel general alarm
Communication failure between:
- the mimic panel and the Com-slot frame,
- the mimic panel and the micro controller PCB