8
46
Er22
Bypass SCR or Output Fuse Fails
47
Er23
Inverter Relay or SCR or Output Fuse Fails
48
Er24
Bypass found when running on CVCF mode
49
Er26
PFC Over-current
50
Er27
The UPS must be operated in normal mode in
parallel system
51
Er28
Bypass Overload Time out and cut off output.
52
Er29
Charger overcharges battery (>300Vdc)
53
Er30
Inverter Balance error
54
Er31
The settings of both control board and driver
board are not matched together
55
Er32
Sync Signal error
56
Er33
Isolated transformer overheat
57
Er34
Balance function conflict
58
CEr1
Utility voltage out of range
59
CEr2
Bypass Voltage out of range
60
CEr3
Inverter Voltage out of range
61
CEr4
Load Percentage out of range
62
CEr5
Battery Voltage out of range
63
CEr6
UPS Output Voltage out of range
(** Er7, Er19, Er25 are reserved
9
2.4.
Controls and Indicators
2.4.1 UPS module front panel
LCD Display
Line (green) LED illuminates when the utility input voltage is within the
acceptable window. The LED extinguishes in the Battery mode.
Bypass (green) LED illuminates when the bypass input is normal. The LED
extinguishes in the Battery mode.
N+1 (green) LED illuminates when the UPS is operating in the redundancy
mode.
ECO (yellow) LED illuminates when the UPS is working in the ECO (economic,
Line-interactive) mode.
Fault (red) LED illuminates when there is an abnormal condition or there is an
internal fault.
