Correcting Alarms; Alarm Listing; History - ABB ACS550 User Manual

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• digital input
• serial communication.
When the fault has been corrected, the motor can be started.

History

For reference, the last three fault codes are stored into parameters 0401, 0412,
0413. For the most recent fault (identified by parameter 0401), the drive stores
additional data (in parameters 0402...0411) to aid in troubleshooting a problem. For
example, parameter 0404 stores the motor speed at the time of the fault.
The Assistant Control Panel provides additional information about the fault history.
See section
To clear the fault history (all of the
1. Using the control panel in the Parameters mode, select parameter 0401.
2. Press EDIT (or ENTER on the Basic Control Panel).
3. Press UP and DOWN at the same time.
4. Press SAVE.

Correcting alarms

The recommended corrective action for alarms is:
• Determine if the alarm requires any corrective action (action is not always
required).
• Use the table in section
the problem.

Alarm listing

The following table lists the alarms by code number and describes each.
Alarm
code
2001
2002
2003
Diagnostics
Fault Logger mode on page
Alarm listing
Display
Current limiting controller is active. Check for and correct:
OVERCURRENT
• Excessive motor load.
• Insufficient acceleration time (parameters 2202
2205
• Faulty motor, motor cables or connections.
Overvoltage controller is active. Check for and correct:
OVERVOLTAGE
• Static or transient overvoltages in the input power supply.
• Insufficient deceleration time (parameters 2203
2206
Undervoltage controller is active. Check for and correct:
UNDERVOLTAGE
• Undervoltage on mains.
55 for more information.
Group 04: FAULT HISTORY
below to find and address the root cause of
Description
2).
ACCELER TIME
2).
DECELER TIME
ACS550 User's Manual
parameters):
1 and
ACCELER TIME
1 and
DECELER TIME