Xtreme Power Conversion Corporation
T90 6kVA & 10kVA User’s Manual
Page 23
Uninterruptible Power Supply
Troubleshooting Guide
Troubleshooting
If the UPS malfunctions during first power up, check the following:
a.
Is the input and output wiring correct?
b.
Is the input voltage of the utility within the input window of the UPS?
If problems still exist check the following error codes for possible solution. Should the problem still persist, please
contact your local distributor for help.
Situation
Check Items
Solution
Red Fault LED
Check the error code
shown on the LCD.
Er05, , &
Check for proper battery connection, then re
-
charge the batteries for 8 hours to see whether
the UPS provides backup power normally; other
-
wise, consult your local distributor right away.
Er06, Er10, Er12, Er28 &
If CB3 is tripped, 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 there is any damage
to the insulation of the AC power cord, please
replace it with a new one.
EPO
Remove the short circuit at the EPO terminal.
Er11, Er33
Remove any objects blocking the ventilation
holes.
Er14
Check that the cooling fans on the rear panel are
working normally.
Er15
Make sure the UPS is operated normally. If it is
in CVCF mode you must turn off and turn on the
UPS again.
Er16, Er27
All of the parameters except ID Number in a
parallel UPS must be the same.
Er21
Disconnect and reconnect the RJ45 connector or
set a UPS with ID=1.
Er24
When the UPS is in CVCF mode it is prohibited
from having bypass input. You must turn off the
UPS and bypass input and then restart the UPS.
Other error code
Consult your local distributor for help.
UPS fails to offer battery back
-
up or its backup power time is
shorter than calculated.
If the backup power time is still too short after
8 hours of charging please contact your local
distributor for battery replacement.
UPS locks itself and cannot be
turned off.
Restart UPS. Consult your local distributor for
help.
