Borri B8031 - UPS Start-Up Troubleshooting Guide; Troubleshooting Common Start-Up Issues

Start-up, shut-down & manual bypass
Rev. A JSE410256 17/01/2008 JUD408313
3 of 5
7 BATTERY START UP
CLOSE BCB
Close BCB
8 BATTERY START UP
WAIT PLEASE
The microprocessor checks all the
conditions for the following step are ok. After
a while LED #4 is lit green.
9 START UP END
CLOSE OCB
Close OCB
10 START UP END
WAIT PLEASE
The microprocessor checks that all the
output parameters (voltage, current,
frequency) are within the tolerance limits.
LED #7 is lit green.
End UPS MODEL
OUTPUT VOLTAGE
After a while the default screen is shown
2.1 START-UP BASIC TROUBLESHOOTING
This paragraph provides the basic information if any alarms occur during the start-up
procedure. In case the problem cannot be solved contact the service department.
1) After closing RCB the LCD display is still blank
• Check the input voltage.
• Check the rectifier protection fuses F1-F2-F3; they are inside the breaker
RCB on B8031 and B8033.
2) After the step #2 the unit doesn’t switch to step #3 and shows the alarm A1 –
Mains fault
• Check if the alarm A2 is active. In case of alarm active, check the phase
rotation of the line input.
• Check the rectifier protection fuses F1-F2-F3; they are inside the breaker
RCB on B8031 and B8033.
3) After the step #3 the unit shows alarms messages
• Open RCB and check the UPS connections.
• Close RCB and try to restart the UPS.
4) After the step #4 the unit shows alarms messages
• Check the EPO push-button (if provided outside the unit) is in the release
position.
• Open RCB and check the UPS connections.
• Close RCB and try to restart the UPS.
5) After the step #10 the unit shows the alarm A15 – Bypass fault
• Check if the alarm A14 is active. In case of alarm active, check the phase
rotation of the by-pass line input.
• Check the static switch protection fuses; they are inside the breaker SBCB
on on B8031 and B8033.
6) After the step #10 the unit shows the alarm A7 – BCB open
• Check the fuses inside the breaker BCB.