Xtreme Power Conversion Corporation
TX90 6kVA & 10kVA Service Manual
Page 6
Uninterruptible Power Supply
19
Enter or Reconfirm
20
Utility Input Normal LED
21
Bypass Input Normal LED
22
UPS under Redundancy Mode
23
UPS under ECO Mode
24
UPS Fault or Abnormal Warning LED
25
EPO
Emergency Power Off
The below items from 26 to 31 show the UPS is on Service Mode
26
Sr01
The UPS is on Service Mode now
27
Sr02
Inverter’s & PFC’s PWM Output On
(It shall be -6Vdc ~ +15Vdc/20KHz square wave)
28
Sr03
1st Soft Start
(Charger or battery pre-c/-BUS now)
29
Sr04
2nd Soft Start
(It means AC SCR Driver on or Battery SCR Driver On)
30
Sr05
3rd Soft Start
(/-BUS up to desired voltage)
31
Sr06
Inverter Soft Start
(to reach to the desired output voltage of Inverter)
The below Error Codes indicate you the error status of the UPS
1
Er01
1st stage DC BUS capacitor pre-charge abnormal after 50 sec-
onds or Battery Fuse fails
2
Er02
AC SCR or Battery SCR soft Start abnormal after 2 seconds
3
Er03
3rd PFC(Boost) soft start abnormal after 30 seconds
4
Er04
Inverter out of order
5
Er05
Battery Weak or Dead
6
Er06
Output Short Circuit
7
EPO
EPO Mode
8
Er08
DC Bus high-voltage-level abnormal
9
Er09
DC Bus low-voltage-level abnormal
10
Er10
Inverter Over-current
11
Er11
UPS Overheat
12
Er12
Inverter Overload
13
Er13
Charger out of order or abnormal
