36
Error Codes
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 show information of alternate
normal and error code. You can follow section 6.1 and 6.2 up for
troubleshooting.
UPS
LOAD
INPUT
Buzzer Code
6.2 Error Codes and Their Meanings
Code
Meaning
Er05
Battery weak or faulty
Er06
Output short-circuited
Er07
EPO mode
Er11
UPS over-temperature
Er12
Inverter overload
Er14
Fan errors
Er39
When UPS start process, Utility Voltage less than
90V and Battery no connection.
Er28
Bypass overload
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.
