Checking error cord on LCD panel
：
If UPS is in abnormal condition
，
common alarm sign
will light up and
come with audible alarm. The LCD screen will shows information of alternate
normal and error code. You can follow section 6.1 and 6.2 up for troubleshooting.
7. Communication Software
7.1 Hardware Setup
1.
Decide whether to use RS-232 communication or USB communication.
(For
optional interface cards please refer to Chapter 8.)
2. Connect a male RS-232 connector or a USB cable* to the UPS
communication port. Connect the female RS-232 connector or the other
end of the USB cable to the computer.
6.2 Error Codes and Their Meanings
Code Meaning
Er05 Battery weak or faulty
Er06 Output short-circuited
Er07
EPO mode
Er11
160V and Battery no connection.
Er28
Bypass overload
*Note: RS-232 and USB cables are optional.
6.3 Maintenance
1. Clean the dust from the ventilation openings and intakes on the rear panel.
2. Turn off the UPS and wipe the casing with a damp cloth. Be careful to
avoid getting water in the UPS.
3. Periodically unplug the power cord of the UPS from the wall receptacle to
test the condition of the batteries. Be sure you have saved your data in
any open computer applications before you proceed with this battery test.
7.2 Software Installation
Please refer to the software user’s manual.
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