Xtreme Power Conversion Corporation
T90 6kVA & 10kVA User’s Manual
Page 21
Uninterruptible Power Supply
Z
Press the Enter key to save changes.
AA
The UPS is locked.
• Turn Off the Utility Input Breaker
• Your setting changes are now complete.
• Restart the UPS
Troubleshooting when the UPS is Off Due to Unknown Reasons
• If there is a serious abnormal condition the UPS will lock itself in the “OFF” position as shown in figure AA,
and an “abnormal” message will appear on the LCD.
• After three seconds all messages will be locked except Bypass messages (LED
and LCD
). If the
Utility is abnormal after the UPS is locked the LED
will be extinguished and the LCD
will appear
on the LCD.
• To release the UPS lock proceed as follows:
1.
Check the recorded error messages.
2.
Check the error messages in the Troubleshooting guide to help troubleshoot the problem. For further
help consult your local distributor.
3. Press the Off key for five seconds. A buzzer will sound twice.
4. Turn Off the Utility Input breaker.
5.
Even if the UPS lock problem is solved now, consult with your local distributor to make sure that the
error condition is resolved.
Shut Off
1.
Press the Off key for five seconds. The Inverter output will be turned off, and the output load will
be supplied by the Bypass loop. The LCD will display figure B.
2.
Turn Off the Utility and Bypass Input breakers.
3. The UPS is now turned off completely.
Maintenance Bypass Mode
1.
Maintenance Bypass Mode is for UPS maintenance only. Only authorized technicians are allowed to
perform the following procedures. If there is any damage during unauthorized execution of these pro
-
cedures your warranty will be void immediately.
2.
Press the Off key for approximately five seconds. The LCD will display figure B, and the UPS output
will be in bypass mode.
3. Remove the cover of the CAM Switch (Maintenance Bypass Switch), then turn on the CAM Switch to