Rockwell Automation VSM500 Integrated Drive/Motor - Manual (Page 66)

11-4 Installing and Operating the VSM500 Integrated Drive/Motor, Version 3.0
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 obstructions 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. Turn off power to unit. Verify the
keypad cable connection. Turn
power on to the unit.
=NNN 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. Regulator board failure. Replace Regulator board.
Internal faults cannot be reset.
Table 11.1 – Fault Codes and Corrective Actions (Continued)
Fault
Code Fault Description Fault Cause Corrective Action