32
Alarm messages
Definition
Code
Alarm
Sound
Description
UPS Action
Low-voltage
inverter fault
004
Long Beep
The inverter voltage is lower than the
configured fault alarm point
Shut down and switch to
bypass
High-voltage
inverter fault
005
Long Beep
The inverter voltage is higher than the
configured fault alarm point
Shut down and switch to
bypass
Power supply
boardfault
015
Long Beep
Detect that the output voltage of power
supply board is beyond operating range
Shut down and switch to
bypass
Bus High-voltage
fault
016
Long Beep
Detect that BUS voltage is higher than BUS
high-voltage alarm point
Shut down and switch to
bypass
Bypassphase order
error
022
Long Beep
In the state of parallel, detect that the phase
order of bypass voltage of master and slave
unit is inconsistent
Shut down
Rectifier soft start
fault
023
Long Beep
Bus voltage is lower than its setting value
within the configured soft start time
Shut down and switch to
bypass
Rectifier fault
024
Long Beep
Bus voltage is lower than the battery
shutdown point voltage in inverter mode
Shut down and switch to
bypass
Bypass SCR fault 025
Long Beep
The difference value of bypass input and
output is more than its setting value in
bypass mode
Shut down and switch to
bypass
Inverter output fault 027
Long Beep
Inverter output voltage is overrun
Shut down and switch to
bypass
Inverter
overcurrent fault
032
Long Beep
Overcurrent signal is detected on the
inverter IGBT module
Shut down and switch to
bypass
Inverter soft start
fault
034
Long Beep
During the inverter soft start, the inverter
voltage value is abnormal
Shut down and switch to
bypass
Output short-circuit
fault
035
Long Beep
The output current is more than its setting
value, the voltage is less than its setting
value
Shut down
Bypass overload
fault
037
Long Beep
Detect that the bypass output current is
more than its setting value
Shut down
Inverter fault
038
Long Beep
Detect that the inverter is overcurrent or
overvoltage
Shut down and switch to
bypass
Model detection
fault
042
Long Beep
The adapter model setting doesn’t match
the settings of upper computer
Shut down and switch to
bypass
Parallel ID conflict
044
Long Beep
Two UPS set same ID address in parallel
mode
Shut down and switch to
bypass
Parallel voltage
setting Abnormality
050
Long Beep
Two UPS set different voltage in parallel
mode
Shut down and switch to
bypass
Parallel frequency
setting abnormality
051
Long Beep
Two UPS set different frequency in parallel
mode
Shut down and switch to
bypass
Note:
The fault codes display on the left side of the fault/alarm interface, while the alarm codes
display on the right side. “000” represents normality.
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