Troubleshooting - INFOSEC Mod5T User Manual

6. 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
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
Fault! CAN Fault
Fault! TRIG0 Fault
Fault! Relay Fault
Fault! Line SCR Fail
Fault! EEPROM Fault
Fault! Parallel Cable Loosen
Fault
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)240 94 29 51 - hotline@infosec.fr – 03 17 AA 59 201 24
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 within specified duration
Inverter Voltage 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 reverse
Make sure adequate space is allowed for
air vents and the fan is working
CAN communication fault
Synchronized trigger signal fault
Inverter relay fault
Line SCR short circuit fault
EEPROM operation error
As stated.
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.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Contact service personnel.
Check if the parallel cable is loose and
contact service personnel.
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