28
Rev. 2 – 10
th
November2015
LED blinking legend
In the table 6 is indicated the legend for reading the alarm through the LED present on the Control Board.
Fig. 32 – Blinking LED
Description
Blinking
Normal operation, no errors
1 Blink/s
Memory error
2 Blink/s
Short-circuit
3 Blink/s
Loss of synchronism with the motor
4 Blink/s
Input voltage outside range (only with motor stopped)
4 Blink/s
Bus voltage over 430V during operation (instantaneous measurement)
4 Blink/s
Bus voltage below 350V during operation (instantaneous measurement)
4 Blink/s
Input relay not closed
4 Blink/s
Motor cable U disconnected
4 Blink/s
Motor cable V disconnected
4 Blink/s
Motor cable W disconnected
4 Blink/s
Overtemperature
4 Blink/s
Table 6 – Alarm description – LED Blinking
In figure 33 is indicated the LED blinking description
Fig. 33 – Alarm diagram
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