Rockwell Automation 1329I Integrated AC Drive/Motor, Series B FRN 3.X - Manual (Page 58)

11-4 Diagnostics and Troubleshooting
1329I-5.5 Integrated Drive/Motor — January, 2000
Electronic Thermal Overload
The electronic thermal
overload will trip when the
current to the motor has
exceeded either 110%
(variable torque V/Hz curve
selected) or 150% (constant
torque V/Hz curve selected)
of the motor rated current for
60 seconds. Excessive current to the motor
for an extended time due to
excessive load or short circuit. Check for obstruction to shaft
rotation.
Reduce the driven load.
Verify input wiring is correctly
connected (see Section 5.0).
Check for blower obstruction.
Replace blower if required.
TB Redundant Start Regulator board malfunction . Remove power from unit. Check
the keypad cable connection.
Reapply power to the unit.
Internal Fault
(NNN = a number from 0 to
999)
The display flashes the fault
code on and off at 1/2
second intervals to indicate
an internal fault. Control board malfunction . Replace Control board.
Internal faults cannot be reset.
Code Fault Description Fault Cause Corrective Action