English
AGy -L 87
10 - Troubleshooting
10.1 Drive Alarm Condition
The drive keypad will show on the 2nd line of alphanumeric display a blinking message with the code and name of the
alarm occurred.
The figure below shows an example of OV Overvoltage alarm condition during d.000 Output frequency parameter
displaying.
Hz A VPrg Rev Fwd
Prg
Output frequency
0V Overvoltage
Alarm message blinking
Reset
Hz A VPrg Rev Fwd
Prg
0U
Alarm code blinking
Red LEDs
blinking
Red LEDs
blinking
KBG-1 (standard) KBG-LCD-.. (Optional)
Figure 10.1.1: Alarm Displaying for LDC and 7 segments display
The active alarm can be acknowledged by pressing the Prg button on the keypad.
This operation will allow menu navigation and parameter editing while the drive is in alarm state (red LEDs blinking).
In order to resume drive operation, an Alarm reset command is necessary.
10.2 Alarm Reset
Alarm reset can be performed in three different ways:
- Alarm reset by keypad: pressing simultaneously Up and Down keys; the reset
action will take effect when the buttons are released.
- Alarm reset by digital input: it can be performed through a programmable digital input
connected to command I.010 Fault reset src = [9]
Digital input 8 (terminal 4).
. Alarm reset by Autoreset function: it allows an automatic reset of some drive alarms (see
table 10.3.1), by the settings of P.380, P.381, P.382 and
P.383 parameters.
The figure below shows how to reset an alarm by keypad.
Output frequency
0V Overvoltage
Output frequency
0.00 Hz
Alarm condition Alarm resetted
Blinking
Alarm condition Alarm resetted
Blinking
KBG-1 (standard)
KBG-LCD-.. (Optional)
Figure 10.2.1: Alarm Reset
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