SMARTZONE UPS USER MANUAL
83
Fault
Code
Fault Description
Fault
Type
Buzzer
LED
Action to Take
10
+DC Bus Under Voltage
(output off)
Critical Continuous Red Alert
On
Reboot the UPS unit
11
-DC Bus Under Voltage
(output off)
Critical Continuous Red Alert
On
Reboot the UPS unit
12
DC Bus Delta (line)
Critical Continuous Red Alert
On
Reboot the UPS unit
13
DC Bus Delta (battery)
Critical Continuous Red Alert
On
Reboot the UPS unit
14
+DC Bus Soft Start
Fault (Line)
Critical Continuous Red Alert
On
Reboot the UPS unit
15
-DC Bus Soft Start Fault
(Line)
Critical Continuous Red Alert
On
Reboot the UPS unit
16
+DC Bus Soft Start
Fault (battery)
Critical Continuous Red Alert
On
Reboot the UPS unit
17
-DC Bus Soft Start Fault
(battery)
Critical Continuous Red Alert
On
Reboot the UPS unit
18
+DC Bus Discharge
Fault
Critical Continuous Red Alert
On
Reboot the UPS unit
19
-DC Bus Discharge
Fault
Critical Continuous Red Alert
On
Reboot the UPS unit
21
Inverter Output Under
Voltage
Critical Continuous Red Alert
On
Reboot the UPS unit
22
Inverter Output Over
Voltage
Critical Continuous Red Alert
On
Reboot the UPS unit
23
Inverter Fault
Critical Continuous Red Alert
On
Reboot the UPS unit
24
Output Relay Won’t
Open
Critical Continuous Red Alert
On
Reboot the UPS unit
25
Output Relay Won’t
Close
Critical Continuous Red Alert
On
Reboot the UPS unit
26
Inverter Overload
Warning
Periodic
Yellow
Alert On
Reduce the load on the UPS
output
27
Inverter Overload Time
Out
Warning
Periodic
Yellow
Alert On
Reduce the load on the UPS
output
