ENGLISH
IV.
Battery Replacement
1.
Turn off the connected equipment and unplug it
from the UPS
2.
Turn off the UPS and unplug the input cable.
3.
Remove two screws located on the bottom of the
UPS and slide the battery cover downward, then
outward.
4.
Disconnect the battery connector.
5.
Slide out the existing battery pack from the UPS
by grasping the battery pull tap.
Caution -
Do not short the positive wire and negative wire
of battery.
Caution -
DO NOT pull the battery pack out by pulling on
the battery wires.
6.
Slide the new battery pack into the UPS.
7.
Verify proper polarity. Re-connect the battery
connectors together.
8.
Reinstall the battery cover onto the UPS. Now,
the UPS is ready for normal operation
9.
Properly dispose of the old batteries at an
appropriate recycling facility or return them to
the supplier in the packing material for the new
batteries.
Please read all of the WARNINGS and CAUTIONS in the General Manual before
replacing the batteries.
V.
Troubleshooting
Fault
Event
E12
Battery mode output high (internal fault)
E14
Output short (check the loads)
E15
Output over current (too much load)
E20
Fan lock fault
E21
Over Charge Voltage (i.e. wrong battery used)
E28
Low battery voltage
E43
Overload fault
Please check
https://troubleshoot.powerwalker.com
for more details.