4.4.1 Transfer to bypass if overload
When the load of UPS is beyond normal range and lasts for the time set, it will
transfer to bypass mode and beeps twice every second, then the load is powered by AC
directly. Please decrease the load immediately until the alarm is eliminated. The UPS will
start the inverter after 5 mins. In order to protect the load and the UPS, it is required to set the
limitation times of transferring to bypass mode due to overload in 1 hour. If it exceeds the
limitation times set, the UPS will keep in bypass mode.
4.4.2 Normal mode to battery mode
The UPS will go to battery mode if the AC is failed. The UPS will shut down
automatically if batteries are drained. When AC recovers, the UPS will start the inverter
automatically.
4.4.3 Go to bypass mode due to over temperature
The temperature inside UPS may be high if ambient temperature is high or the
ventilation is poor, then the UPS will go to Bypass mode, fault indicator will be on (red),
the LCD will display that the inner temperature is high, long beeps will come. If so,
please cut off the input power of the UPS, move objects that affecting the ventilation far
from the UPS if any or increase the distance between the UPS and the wall. Wait until
the UPS temperature becomes normal then restart it.
4.4.4 Output short circuit
When the UPS output is in short circuit, the UPS will cut off the output, fault
indictor will be on ( red ), the LCD will display output is in short circuit, long beeps come.
If so, please disconnect the load in short circuit, cut off the UPS input power and wait for
10mins, the UPS will shut down automatically or press the off button to shut down in
after10s. Before restarting the UPS, please make sure that the short circuit problem has
been solved.
4.5 UPS monitoring
Please refer to the instruction of the UPS monitoring software provided.
4.6 LCD operation menu
1 Main menu switching
Pressing the left/right arrow and ENT button can switch among alarm info, running
parameter and function settings. Press ENT to enter alarm info, running parameters or
function settings. To enter function settings, double pressing on ENT is required.
2
Submenu switching
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