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Troubleshooting
Number of flashes
Alarm
Alarm description
Alarm recovery period
Consecutive alarms for hard reset
Action to recover alarm
Troubleshooting
Number of flashes
Alarm
Alarm description
Alarm recovery period
Consecutive alarms for hard reset
Action to recover alarm
Troubleshooting
Carlo Gavazzi
2
Wrong phase sequence
If the connection to the soft starter is not done in the correct
sequence (L1, L2, L3), the RSGT will trigger the wrong phase
sequence alarm and the motor will not be started.
N/A
1
User intervention is required to change the wiring sequence to
recover alarm.
Note: the phase sequence monitoring can be disabled. To disable
the alarm, press the Test/Reset button for 10 seconds when the
RSGT is in IDLE state. The yellow LED will turn ON.
ATTENTION: in this mode, if the wiring is not in the correct
sequence, the motor will rotate in the reverse direction.
Check that wiring on L1, L2, L3 is in the correct
sequence.
If you need to reverse the motor, make sure that the
phase sequence LED is ON (phase sequence protection
disabled).
3
Line voltage out of range
At every power-up the RSGT automatically detects the supply
voltage level and determines whether it is working on a 220, 400,
480* or 600* V supply. The under- or over- voltage alarm level is
then set at a level of -20% and + 20% (from the measured supply
voltage level) respectively.
If the supply voltage level is out of these limits for more than 5
seconds then the line voltage out of range alarm will be triggered.
* Applies to RSGT60 models.
Note: for RSGT60 over-voltage alarm level (for the case of a 600V
supply) is 675V (600V + 11%).
5 minutes
(If manual reset mode is applied, alarm can be reset by pressing
the Test/ Reset button).
5
The alarm will self-recover (in auto-recovery mode) after 5
minutes from when the supply voltage is within limits.
Check supply voltage level across L1, L2, L3 terminals.
Make sure that you are not using a RSGT40 model on a
supply voltage > 440 VAC.
RSGT Troubleshooting Guide – Rev 1.0
EN
3
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