3.5.8.1.3. Turn off the UPS Utility breaker as well as the Bypass Input Breaker.
You may proceed with UPS maintenance now.
3.5.8.1.4. When you are done with UPS maintenance put the UPS back into
normal working mode as explained in section 3.5.1.4. Then return the
CAM switch to “INV” mode, replace the cover, and repeat sections
3.5.1.5 to 3.5.1.8. The UPS will switch back to inverter mode.
3.5.8.1.5. You must perform section 3.5.8.1.1 before section 3.5.8.1.2. If you skip
section 3.5.8.1.1 the UPS will alert for ten seconds to warn that the
procedure is abnormal and may damage the UPS due to uncertain
utility status. The UPS will switch back to Inverter mode immediately if
you turn the CAM switch back to “INV”.
4. Troubleshooting Guide
4.1. Troubleshooting
If the UPS malfunctions during operation first 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 for proper adjustment. Should the
problem still persist, please contact your local distributor for help.
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3
7
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4
5
Page
3
6
to
4
5
Situation
Check Items
Solution
red Fault LED Check the error code
shown on the LCD.
1.
Check for proper battery
connection, then recharge the
batteries for 8 hours to see
whether the UPS provides
backup power normally;
otherwise, consult your local
distributor right away.
2.
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.
3.
Remove the short circuit at the
EPO terminal.
4.
Remove any objects
blocking the ventilation holes.
5.
Check that the cooling fans on
the rear panel are working normally.
6.
Make sure the UPS is
operated normally. If it is in CVCF
mode you must turn off and turn
on the UPS again.
7.
All of the parameters except ID
Number in a parallel UPS must be
the same. Please refer to section
3.5.5 to set them again.
8.
Disconnect and reconnect the
RJ45 connector or set a UPS
with ID=1.
9.
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.
10. Consult your local distributor for help.
1.Er05,
&
2.Er06, Er10, Er12, Er28
3.EPO
4.Er11, Er33
5.
Er14
6.
Er15
7.Er16, Er17, Er27
8.
Er21
9.
Er24
10.
other error code
