
31
Situation
Check Items
Solution
UPS Red Fault
LED lights up
Check the error code
shown on the LCD screen
1.
Er05,
&
2.
Er06, Er10, Er12 Er28
&
3.
EPO
4.
Er11, Er33
5.
Er14
6.
Er15
7.
Er16, Er27
8.
Er21
9.
Er24
10. other error code
1.
Check to see if the battery
connection is properly done, then
re-charge the batteries for 8 hours to
see whether the UPS may backup
normally; otherwise, consult your local
distributor right away.
2.
If the CB3 is tripped, please turn off
the UPS completely and keep the CAM
switch at position INV before pressing
CB3. Then remove some uncritical load
at the UPS output end. If any damage of
the coating of AC power cord, please
replace a new one.
3.
Remove the short circuit occurred at
the EPO terminal.
4.
Remove the objects blocked onto the
ventilation holes.
5.
Check the cooling fans on rear panel
are working normally.
6.
Make sure the UPS is operated
normally. If it is on CVCF mode, you
have to turn off and turn on the UPS
again.
7.
All of parameters except ID Number
in the parallel UPS must be same.
Please refer chapter 3.5.5 to set them
again
8.
Reconnect the RJ-45 wire or set a
UPS with ID=1.
9.
When the UPS is on CVCF mode, it
is prohibited to have bypass input. You
have to turn off the UPS and bypass
input and re-start the UPS.
10. Consult your local distributor for help.
UPS fails to
offer battery
backup or its
back up time is
shorter than its
calculation.
If the backup time is still too short after 8
hours of charge, please contact your local
distributor for battery replacement.