Xtreme Power Conversion Corporation
M90U-80 & 140 User’s Manual
Page 69
Uninterruptible Power Supply
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
Warning! Battery Open
Battery not connected
1.
Check battery breaker.
2.
Check if the battery connection is well
connected.
3.
Check the setting of Nominal Battery
voltage.
4. Contact service personnel if necessary
Warning! Battery voltage High Battery voltage is too High
Check the setting of Nominal Battery voltage
and contact service personnel.
Warning! Module Un-Lock
As stated.
Check if module is locked well.
Warning! Turn On Abnormal
As stated.
Check if the input voltage or frequency is out
of range.
Warning! Charge Fail
As stated.
Contact service personnel.
Warning! EEPROM Fail
EEPROM operation error
Contact service personnel.
Warning! Fan Lock
As stated.
Check if the fan is blocked or contact service
personnel.
Warning! Line Phase Error
As stated.
Check if the Mains phase sequence is correct
and contact service personnel.
Warning! Bypass Phase Error
As stated.
Check if the Bypass phase sequence is cor
-
rect and contact service personnel.
Warning! N Loss
Neutral loss
Check if the Neutral connection is well and
contact service personnel..
Warning! Internal Initial Fail
As stated.
Contact service personnel.
Warning! Comm. Syn. Signal
Fail
Communicate Synchronization
Signal Fail
Contact service personnel.
Warning! Comm. TRIG0 Fail
Communicate Trigger signal
fault
Contact service personnel.