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8
48
Er24
Bypass Input found when running on CVCF
mode (CVCF mode not supported)
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 Control panel
A LCD Display.
B N+1 (green) LED illuminates when the UPS is operating in the
Parallel/Redundant mode.
C Bypass (green) LED illuminates when the bypass input is normal. The
LED extinguishes in the Battery mode.
D Line (green) LED illuminates when the utility input voltage is within the
acceptable window. The LED extinguishes in the Battery mode.
E On/Alarm Silencer switch is to turn the UPS On or silence the audible
alarm in the Battery mode.
F Up arrow: Go to previous page or change the UPS setting.
G Enter key: To save the changes to the UPS setting.
H Down arrow: Go to next page.
I OFF switch is to turn the inverter off and transfers the UPS to the
Bypass mode.
J Special functions key: Log in/out.
K ECO (yellow) LED illuminates when the UPS is working in the ECO
(economic, Line-interactive) mode.
L Fault (red) LED illuminates when there is an abnormal condition or
there is an internal fault.