Trouble Shooting - INFOSEC UPS SYSTEM E4 Evolution II 100k TT S Manuel Utilisateur

7. Trouble Shooting

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
Fault! Bus Over Voltage
Fault! Bus Under Voltage
Fault! Bus Voltage
Unbalance
Fault! Bus Short
Fault! Bus Soft Start Time
Out
Fault! Inverter Soft Start
Time Out
Fault! Inverter Voltage
Over
Fault! Inverter Voltage
High
Fault! Inverter Voltage
Low
Fault! R Inverter Voltage
Short
Fault! S Inverter Voltage
Short
Fault! T Inverter Voltage
Short
Fault! RS Inverter Voltage
Short
Fault! ST Inverter Voltage
Short
Fault! TR Inverter Voltage
Short
Fault! Inverter R Negative
Power
Fault! Inverter S Negative
Power
Fault! Inverter T Negative
Power
Fault! Over Load Fault
Fault! Battery Fault
Fault! Over Temperature
INFOSEC UPS SYSTEM – 15, Rue du Moulin – 44880 Sautron – France – www.infosec-ups.com
134
Hot Line Tel : +33 (0)2 40 76 15 82 – fax : +33(0)2 40 94 29 51 – hotline@infosec.fr – 02 19 AA 59 203 07
Explanation
DC bus voltage is too high
DC bus voltage is too low
DC bus voltage is not balanced
DC bus is short
The rectifiers could not start due to low
DC bus voltage within specified
duration.
Inverter voltage cannot reach desired
voltage in specified duration.
Inverter Voltage is over peak value.
Inverter Voltage is too high
Inverter Voltage is too Low
R phase inverter output is shorted
S phase inverter output is shorted
T phase inverter output is shorted
R-S inverter output is shorted
S-T inverter output is shorted
T-R inverter output is shorted
R phase inverter output Negative
Power over range
S phase inverter Output Negative
Power over range
T phase inverter Output Negative
Power over range
Heavy overload causes UPS fault.
Battery connection is reverse.
Make sure adequate space is allowed
for air vents and the fan is working
Solution
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Turn off UPS and then restart the
UPS.
If it fails again, contact service
personnel.
Turn off UPS and then restart the
UPS.
If it fails again, contact service
personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Reduce some load.
Check the polarity of battery
connection and contact service
personnel.
Check if the ambient temperature
is over specification.
Or contact service personnel.