User Manual
Back-UPS Pro BX850/1000/1350/1500M
7
System Errors
The Back-UPS will display these error messages. Except for errors F01 and F02, contact 
SEIT Technical Support.
Function Button Quick Reference
F01
On-Battery Overload
Turn the Back-UPS off. 
Disconnect non-essential 
equipment from the Battery 
Backup outlets and the turn 
Back-UPS on.
F02
On-Battery Output 
Short
Turn the Back-UPS off. 
Disconnect all equipment from 
the Battery Backup outlets and 
the turn Back-UPS on. 
Re-connect equipment one item 
at a time. If the output is tripped 
again, disconnect the device that 
caused the error.
F03
On-Battery Xcap 
Overload
Errors F03-F09 cannot be 
corrected by the user, contact 
SEIT Technical Support for 
assistance.
F04
Clamp Short
F05
Charge Error
F06
Relay Welding
F07
Temperature
F09
Internal Error
Function Button
Timing 
(seconds)
UPS 
Status Description
Power
Power On 0.2 Off
Press P
OWER to start receiving input AC power. If AC 
input power is not available, the Back-UPS will run on 
battery power.
Power Off 2On
The Back-UPS is not receiving input AC power, but is 
providing surge protection.
Display
Status 
Inquiry
0.2 On
Verify the status or condition of the Back-UPS. The 
LCD will illuminate for 60 seconds. Press the button 
the toggle into various information.
Full-Time/
Power-
Saving 
mode
2On
The LCD will illuminate and the Back-UPS will beep 
to confirm the Full-Time mode. The LCD will darken 
and the Back-UPS will beep to confirm the Power-
Saving mode. While in Power-Saving Mode, the LCD 
will illuminate if a button is pressed, then darkens after 
60 seconds of no activity.
Mute
General 
Status 
Enable/
Disable
2On
Enable or disable the audible alarms. The Mute icon 
will illuminate and the Back-UPS will beep one time. 
The Mute function will not activate unless the Back-
UPS is operating on battery power.
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