Diagnostics and maintenance
381
ACH550-01 User's Manual
History
For reference, the last three fault codes are stored into
parameters 0401, 0412 and 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.
To clear the fault history (all of
Group 04: FAULT HISTORY
parameters), follow these steps:
1.
In the control panel, Parameters mode, select parameter
0401.
2.
Press EDIT.
3.
Press the UP and DOWN keys simultaneously.
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
Alarm listing
below to find and address the root cause of
the problem.
Alarm listing
The following table lists the alarms by code number and
describes each.
Alarm
code
Display
Description
2001
OVERCURRENT
The current limiting controller is active. Check for
and correct:
• excessive motor load
• insufficient acceleration time (parameters 2202
ACCELER
TIME
1 and 2205
ACCELER
TIME
2)
• faulty motor, motor cables or connections.
2002
OVERVOLTAGE
The overvoltage controller is active. Check for and
correct:
• static or transient overvoltages in the input
power supply
• insufficient deceleration time (parameters 2203
DECELER
TIME
1 and 2206
DECELER
TIME
2).
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
