380 Diagnostics and maintenance
ACH550-01 User's Manual
Fault resetting
The ACH550 can be configured to automatically reset certain
faults. Refer to parameter Group 31: AUTOMATIC RESET.
WARNING! If an external source, e.g. AUTO key, is selected for
start command and it is active, the ACH550 may start
immediately after fault reset.
Flashing red LED
To reset the drive for faults indicated by a flashing red LED:
• Turn off the power for 5 minutes.
Red LED
To reset the drive for faults indicated by a red LED (on, not
flashing), correct the problem and do one of the following:
• From the control panel: press RESET.
• Turn the power off for 5 minutes.
Depending on the value of 1604
FAULT RESET SEL the following
could also be used to reset the drive:
• digital input
• serial communication.
When the fault has been corrected, the motor can be started.
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