6 Use and Operation
MY-A Series (10kVA-20kVA) UPS
User Manual
92
NO.
Fault symbol
Buzzer status
Meaning
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.
16
Auxiliary power
supply failure
Long beep
UPS internal working power failure, if it cannot be
automatically recovered, please report repair
promptly.
17
Fan failure
Urgent beep
(alarm once
about every
0.2s)
Fan fault warning prompt, please check the fan for
damage or blocking.
18
CAN fault
Slow beep
(alarm once
about every
The CAN communication of parallel system
abnormal, please check if the parallel wire is
damaged or there is only one UPS in parallel
