Gamatronic Electronic Industries Ltd.
User Guide: MEGA V2 SA25, Release 1.5
28
INV. SYNC. FAULT
Meaning:
The Inverter is not synchronized with the bypass voltages.
Additional indications:
The alarm LED lights up and the audible alarm
sounds. The symbol
appears on the Inverter screen.
Action:
Check the voltage readings on the Inverter screen. If the readings are
in range and the alarm persists, contact Customer Support.
INV. VOLT. FAULT
Meaning:
The voltage of one or more of the Inverter output phases is out of
range.
Additional indications:
The alarm LED lights up and the audible alarm sounds.
The symbol
appears on the Inverter screen.
Action:
Contact Customer Support.
LOAD ON BYPASS
Meaning:
The output voltage is the bypass voltage.
Additional indications:
Action:
If the UPS was set to bypass mode manually (“manual bypass”
appears on the main screen), you can manually return it to inverter mode to
end the alarm condition.
If the UPS moved to bypass mode automatically, an overload condition may
have been the cause (“OVERLOAD” appears on the main screen). In this case,
try reducing the load on the UPS.
ONE PHASE FAULT
Meaning:
One or more of the ac phases into the rectifier is out of range.
Additional indications
The alarm LED lights up and the audible alarm sounds.
Action:
This is likely to be due to a problem with the input ac supply.
OVERLOAD
Meaning:
There is an overload condition.
Additional indications
The alarm LED lights up and the audible alarm sounds.
If the output current is between 104 – 117%, for 10 minutes, or between 117 –
131% for one minute, or above 131% for 20 msec, the UPS shuts down. The
symbol
appears on the main screen.
Action:
Reduce the load to the UPS quickly, or the UPS will automatically
move to bypass mode.