Xtreme TX90 6kVA - Troubleshooting when the UPS is Off Due to Unknown Reasons; Maintenance Bypass Mode

Xtreme Power Conversion Corporaon
TX90 6kVA & 10kVA Service Manual
Page 20
Uninterrupble Power Supply
Z
Press the Enter key to save changes.
AA
The UPS is locked.
• Turn O the Ulity Input Breaker
• Your seng changes are now complete.
• Restart the UPS
Troubleshoong when the UPS is O Due to Unknown Reasons
• If there is a serious abnormal condion the UPS will lock itself in the “OFF” posion as shown in gure AA,
and an “abnormal” message will appear on the LCD.
• Aer three seconds all messages will be locked except Bypass messages (LED and LCD ). If the
Ulity is abnormal aer the UPS is locked the LED will be exnguished 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 Troubleshoong guide to help troubleshoot the problem. For further
help consult your local distributor.
3. Press the O key for ve seconds. A buzzer will sound twice.
4. Turn O the Ulity Input breaker.
5. Even if the UPS lock problem is solved now, consult with your local distributor to make sure that the
error condion is resolved.
Shut O
1. Press the O key for ve seconds. The Inverter output will be turned o, and the output load will
be supplied by the Bypass loop. The LCD will display gure B.
2. Turn O the Ulity and Bypass Input breakers.
3. The UPS is now turned o 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 execuon of these pro-
cedures your warranty will be void immediately.
2. Press the O key for approximately ve seconds. The LCD will display gure 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