SMARTZONE UPS USER MANUAL
91
Fault
Code Fault Description
Fault
Type
Buzzer
LED
Action to Take
044 Inverter IGBT Error
Critical Continuous
Red
Alert On
Ensure that the proper copper bus
bars are installer for the desired
configuration
Reboot the UPS unit
047 Inverter Relay Won’t
Open
Critical Continuous
Red
Alert On
Ensure that the proper copper bus
bars are installer for the desired
configuration
Reboot the UPS unit
04A Inverter Relay Won’t
Close
Critical Continuous
Red
Alert On
Ensure that the proper copper bus
bars are installer for the desired
configuration
Reboot the UPS unit
04D Parallel
Communications Error Warning
Periodic
Yellow
Alert On
Ensure that the parallel cables are
properly and securely connected
Reboot the UPS unit
051 Output Short Circuit
Warning
Periodic
Yellow
Alert On
Ensure that the proper copper bus
bars are installer for the desired
configuration
Remove the loads and add back
one at a time to detect load fault
Reboot the UPS unit
054 Inverter
Communications Error Critical Continuous
Red
Alert On
Ensure that the proper copper bus
bars are installer for the desired
configuration
Reboot the UPS unit
057 Inverter Initialization
Error
Critical Continuous
Red
Alert On
Ensure that the proper copper bus
bars are installer for the desired
configuration
Reboot the UPS unit
05A Inverter Self-Test Error Critical Continuous
Red
Alert On
Ensure that the proper copper bus
bars are installer for the desired
configuration
Reboot the UPS unit