Xtreme Power Conversion Corporation
M90 User’s Manual
Page 63
Uninterruptible Power Supply
Fault! ST Inverter Voltage
Short
S-T inverter Output is shorted
Contact service personnel.
Fault! TR Inverter Voltage
Short
T-R inverter Output is shorted
Contact service personnel.
Fault! Inverter R Negative
Power
R phase inverter Output Nega
-
tive Power over range
Contact service personnel.
Fault! Inverter S Negative
Power
S phase inverter Output Nega
-
tive Power over range
Contact service personnel.
Fault! Inverter T Negative
Power
T phase inverter Output Nega
-
tive Power over range
Contact service personnel.
Fault! Over Load Fault
Heavy overload causes UPS
fault.
Reduce some load.
Fault! Battery Fault
Battery reverse
Check the polarity of battery connection and
contact service personnel.
Fault! Over Temperature
Make sure adequate space is
allowed for air vents and the
fan is working
Check if the ambient temperature is over
specification. Or contact service personnel.
Fault! CAN Fault
CAN communication fault
Contact service personnel.
Fault! TRIG0 Fault
Synchronized trigger signal
fault
Contact service personnel.
Fault! Relay Fault
Inverter relay fault
Contact service personnel.
Fault! Line SCR Fail
Line SCR short circuit fault
Contact service personnel.
Fault! EEPROM Fault
EEPROM operation error
Contact service personnel.
Fault! Parallel Cable Loosen
Fault
As stated.
Check if the parallel cable is loose and con
-
tact service personnel.
Fault! DSP MCU Stop Commu
-
nicate
As stated.
Contact service personnel.
Fault! Bypass Temperature
Fault
As stated
Check if the ambient temperature is over
specification. Or contact service personnel.
Fault! Bypass SCR Fault
As stated.
Contact service personnel.
Warning! EPO Active
Check the EPO connector
Check if the connector is loose when EPO
acts abnormally.
Warning! Over Load Fail
The load devices are demand
-
ing more power than the UPS
can supply. Line mode will
transfer to Bypass mode.
Reduce some load and check output Load-
Capacity and specification
Warning! Communicate CAN
Fail
CAN communication error
Contact service personnel.
Warning! Over Load
In Line mode, the load devices
are demanding more power
than the UPS can supply.
Reduce some load and check output Load-
Capacity and specification
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 ...