5 Use and Operation
66
NO.
LCD
fault
symbol
Buzzer status
Meaning
Err.
actual wiring do not match the fault, please check
the main power or bypass wiring, and make the
actual system is consistent with the set mode
system.
3
Maintenance Long beep
UPS maintenance bypass protection, inverted
output closed, please check back board
maintenance bypass detection port is shorted.
4
Output fault
Long beep
The UPS output is faulty, detect the UPS output
is short or over load.
5
Phase
Long beep
The UPS of the input and output mode in the
parallel does not match the actual system.
6
Voltage
Long beep
The UPS of the output voltage in the parallel
does not match the actual system.
7
Frequency
Long beep
The UPS of the frequency in the parallel does not
match the actual system.
8
Bypass
Long beep
The UPS of the bypass voltage or frequency in
the parallel does not match the actual system.
9
Mode
Long beep
The UPS parallel mode setting in the parallel
system does not match the actual system.
10
Power
Long beep
The UPS of the output power setting in the
parallel does not match the actual system.
11
Number
Long beep
The UPS of the battery number setting in the
parallel does not match the actual system.
12
PRA
Long beep
The UPS of parameters setting in the parallel
does not match the actual system.
13
Short turn to
bypass
Long beep
The UPS of short turn to bypass setting in the
parallel does not match the actual system.
14
Double Err.
Long beep
Fall-off fault at both ends of the parallel wire.
Summary of Contents for IST9
Page 1: ...l un I Jet _________ __ AEC IST9 1 0 20 https www uni jet com catalog ibp on line ibp aec ist9...
Page 2: ...UPS IST9 10 20 kVA User Manual...
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Page 52: ...3 Installation 43 Figure3 29 Diagram of 33 mode parallel system wiring of 10kVA 20kVA UPS...
Page 54: ...3 Installation 45 Figure3 31 Diagram of 33 mode parallel system wiring of 30kVA 40kVA UPS...
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