
NXRTi USER’S MANUAL
UNINTERRUPTIBLE POWER SUPPLY (UPS)
Xtreme Power Conversion Corporation (Rev 8/29/13)
Page 33
TROUBLESHOOTING
The following messages are the information that users would find on UPS if it fails to perform as
designed. Users can judge if the fault is caused by external factors and know how to deal with it by
making full use of the information.
1.
Fault indicator on, indicates that the UPS has detected some fault.
2.
Buzzer beeps, indicates that UPS needs maintenance, if beeps for an extended period of time, it
means that there is something wrong with the machine.
3.
If you need help, contact our service department, the following messages should be provided for
analysis:
•
UPS MODEL NO. and SERIAL NO.
•
Date of fault happened
•
Detailed description of the problem (include indicator statements from front panel)
LED Indication and Warning Table
LCD Fault Codes
Fault causation
Fault Code
Bus Fault
00
-
19
Inverter Fault
20
-
39
Over Heat
40
-
44
Output short circuit
45
-
49
Overload
50
-
54
Output Relay Fault
55
-
59
Input NTC Fault
60
-
64
Auxiliary Power Fault
65
-
69
Input Fuse Fault
70
-
74
Others
99