MY Series (10kVA-40kVA) UPS
User Manual
6 Use and Operation
93
NO.
LCD fault
symbol
Buzzer status
Meaning
bypass fault
output closed, please checks 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
Mode
mismatch
Long beep
The UPS of the input and output mode in the
parallel does not match the actual system.
6
Voltage
mismatch
Long beep
The UPS of the output voltage in the parallel does
not match the actual system.
7
Frequency
mismatch
Long beep
The UPS of the frequency in the parallel does not
match the actual system.
8
Bypass
mismatch
Long beep
The UPS of the bypass voltage or frequency in the
parallel does not match the actual system.
9
Pattern
mismatch
Long beep
The UPS parallel mode setting in the parallel
system does not match the actual system.
10
Power
mismatch
Long beep
The UPS of the output power setting in the parallel
does not match the actual system.
11
Battery
number
mismatch
Long beep
The UPS of the battery number setting in the
parallel does not match the actual system.
12
Parallel
mismatch
Long beep
The UPS of parameters setting in the parallel does
not match the actual system.
13
Short
mismatch
Long beep
The UPS of short turn to bypass setting in the
parallel does not match the actual system.
14
Two-ended
fault
Long beep
Fall-off fault at both ends of the parallel wire.
15
Single-ended
fault
Slow beep
Fall-off fault at one ends of the parallel wire.