38
®
6 Functions and Signals
Overheating
If the UPS overheats when the utility is normal it will switch into bypass mode. The UPS will switch
back to inverter mode when the overheating is eliminated. If overheating occurs when the utility
is abnormal the buzzer will beep continuously and the Fault
1
2
will shine. The UPS will cut off
supply to the loads.
Inverter Current or Voltage Out of Tolerance
If the UPS inverter delivers over-current or out-of-tolerance voltage to its outlets then the UPS is
out of order. The UPS will switch into bypass mode when the utility is normal. The Utility
1
2
LED,
Bypass
1
2
LED, and Fault
1
2
LED will shine.
If these two fault conditions occur when the utility is abnormal the UPS will cut off the supply to its
outlets, and the Fault
1
2
LED will shine.