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4.5.6.2.5 Even if the UPS lock problem is solved now, consult with your local distributor to make sure that the error condition is resolved.
4.5.7 Shut Off
4.5.7.1 Press the Off
The LCD will display figure B.
4.5.7.2 Turn Off the Utility and Bypass Input breakers.
4.5.7.3 The UPS is now turned off completely.
5. Troubleshooting Guide
5.1 Troubleshooting
If the UPS malfunctions during operation first check the following:
a) Is the input and output wiring correct?
If problems still exist check the following for proper adjustment.
Should the problem still persist, please contact your local distributor for help.
Situation
Red Fault LED
UPS fails to offer battery
backup or its backup
power time is shorter than
calculated.
UPS locks itself and can
not be turned off.
6. Communication Software
6.1 Hardware Setup
1.
Connect the male connector of the RS-232 cable to the UPS communication port.
2.
Connect the female connector of the RS-232 cable to a dedicated RS-232 port of the attached computer.
6.2 Software Installation
Please refer to the software user's manual.
key for five seconds. The Inverter output will be turned off, and the output load will be supplied by the Bypass loop.
b) Is the input voltage of the utility within the input window of the UPS?
Check Items
Check the error code shown on the
LCD.
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 the 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 4.5.5 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 assistance.
If the backup time remains unsatisfactory after 8 hours of charging,
please contact your local distributor for battery replacement.
Refer to section 4.5.6 to troubleshoot the problem; otherwise,
consult your local distributor for help.
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Solution
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