6
15
ON and Alarm Silencer Switch
16
OFF Switch
17
Previous Page or Setting Change
18
Next Page
19
Special Function Log in /out
20
Enter or Reconfirmed
21 Utility Input Normal LED
22 Bypass Input Normal LED
23 UPS under Redundancy Mode
24 UPS under ECO Mode
25
UPS Fault or Abnormal Warning LED
26 EPO Emergency Power Off
27 Er01 DC BUS capacitor pre-charge abnormal after
50-seconds or Battery Fuse failure
28 Er02 AC SCR or Battery SCR soft Start abnormal
after 2-seconds
29 Er03 PFC (Boost) soft start abnormal after 30-
seconds
30 Er04 Inverter Failure
31 Er05 Battery Weak or Dead
7
32 Er06 Output Short Circuit
33 Er08 DC Bus high-voltage-level abnormal
34 Er09 DC Bus low-voltage-level abnormal
35 Er10 Inverter Over-current
36 Er11 UPS Overheated
37 Er12 Inverter Overload
38 Er13 Charger Failure or Abnormal
39 Er14 Fan Failure
40 Er15 Wrong procedure to enter Maintenance Mode
41 Er16 Output parameters Set error in Parallel System
42 Er17 ID numbers are in conflict in Parallel System or
ID number error in single unit
43 Er18
EEPROM data error. Its values are reset to
default (Normal / 220V / adj0% / +/-3Hz / low
sensitivity)
44 Er20 DC Bus voltage cannot be discharged
45 Er21
Parallel communication error (communication
wire disconnected or failure to find ID1 UPS) in
parallel system
46 Er22 Bypass SCR or Output Fuse Fails
47 Er23 Inverter Relay or SCR or Output Fuse Fails