Xtreme Power Conversion Corporation
M90 User’s Manual
Page 62
Uninterruptible Power Supply
Note:
1.
EPO action shuts down the rectifiers, inverters and static transfer switch. But it does not internally disconnect
the input power supply.
2.
The default setting of the EPO function logic is Normally Opened (N.O).
Other Communication Interface
Extra Comm. Slot
There is an optional card, Extra Comm. Card which can be inserted into this slot. This option can enhance the com
-
munication capability of the modular UPS. It provides an additional SNMP Slot, Dry contact I/P & O/P signals and
temperature sensors ports.
Local Communication Ports – RS232 & USB
Note:
The RS232 and USB ports can’t work simultaneously.
SNMP Slot
The SNMP card or AS400 card can be inserted into this slot to work with the UPS.
Troubleshooting
Most of the Fault and Warning need to be released by authorized service personnel. Few of them can be solved
by users themselves.
LCD Message
Explanation
Solution
Fault! Bus Over Voltage
DC bus voltage is too high
Contact service personnel.
Fault! Bus Under Voltage
DC bus voltage is too low
Contact service personnel.
Fault! Bus Voltage Unbalance
DC bus voltage is not balanced
Contact service personnel.
Fault! Bus Short
DC bus is short
Contact service personnel.
Fault! Bus Soft Start Time Out
The rectifiers could not start
due to low DC bus voltage
within specified duration
Turn off UPS and then restart the UPS. If it
fails again, contact service personnel.
Fault! Inverter Soft Start Time
Out
Inverter voltage cannot reach
desired voltage within specified
duration
Turn off UPS and then restart the UPS. If it
fails again, contact service personnel.
Fault! Inverter Voltage Over
Inverter Voltage over (Peak
Value)
Contact service personnel.
Fault! Inverter Voltage High
Inverter Voltage is too high
Contact service personnel.
Fault! Inverter Voltage Low
Inverter Voltage is too Low
Contact service personnel.
Fault! R Inverter Voltage Short R phase inverter Output is
shorted
Contact service personnel.
Fault! S Inverter Voltage Short S phase inverter Output is
shorted
Contact service personnel.
Fault! T Inverter Voltage Short T phase inverter Output is
shorted
Contact service personnel.
Fault! RS Inverter Voltage
Short
R-S inverter Output is shorted
Contact service personnel.
Summary of Contents for M90
Page 11: ...Xtreme Power Conversion Corporation M90 User s Manual Page 11 Uninterruptible Power Supply ...
Page 72: ...Xtreme Power Conversion Corporation M90 User s Manual Page 72 Uninterruptible Power Supply ...
Page 73: ...Xtreme Power Conversion Corporation M90 User s Manual Page 73 Uninterruptible Power Supply ...
Page 76: ...Xtreme Power Conversion Corporation M90 User s Manual Page 76 Uninterruptible Power Supply ...
Page 77: ...Xtreme Power Conversion Corporation M90 User s Manual Page 77 Uninterruptible Power Supply ...