INFOSEC UPS SYSTEM E4 Evolution II TT Series - Trouble Shooting; Fault Messages

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INFOSEC UPS SYSTEM – 15, Rue du Moulin – 44880 Sautron – France – www.infosec-ups.com
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
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
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 in specified duration.
Turn off UPS and then restart the
UPS.
If it fails again, contact service
personnel.
Fault! Inverter Voltage
Over
Inverter Voltage is 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.
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 Negative
Power over range
Contact service personnel.
Fault! Inverter S Negative
Power
S phase inverter Output Negative
Power over range
Contact service personnel.
Fault! Inverter T Negative
Power
T phase inverter Output Negative
Power over range
Contact service personnel.
Fault! Over Load Fault
Heavy overload causes UPS fault.
Reduce some load.
Fault! Battery Fault
Battery connection is 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.