Rockwell Automation 1397 DC Drive Firmware 2.xx - Manual (Page 212)

6–2 Troubleshooting
Publication 1397-5.0 — June, 2001
!
ATTENTION: The [CT Turns Ratio] (Param 36) is
used in the calculation of the burden resistor value. Do
not adjust/change the value of this parameter from its
factory set value unless you are replacing the regulator
board. Failure to observe this precaution could result
in damage to, or destruction of, the equipment. Refer
to Chapter 5 if the CT Turns Ratio value needs to be
changed from the factory supplied value.
The HIM LCD display is used to indicate a fault by displaying a
fault code and fault number (See Figure 6.1).
Figure 6.1
Typical Fault Description Display
A r m O v e r v o l t a g e
F 0 1 1
When a fault occurs in the 1397, the cause must be corrected before
the fault can be cleared. After corrective action has been taken,
simply cycling Drive power will clear a fault.
NOTE: The HIM and other SCANport peripherals can clear faults
as well as the Fault Queue. If a stop push button is used, terminal 10
can also clear a fault.
When an alarm occurs in the 1397, the cause must be corrected
before the alarm can be cleared. After corrective action has been
taken, perform the following steps to clear the alarm:
1. In the Control Status menu cycle to the Alarm Queue using the
increment and decrement key.
2. Press Enter.
3. Press the Increment (or Decrement) key until “Clear Queue” is
displayed.
The alarm queue is now cleared.
HIM Fault Display
Clearing a Fault
Clearing an Alarm