5-1
5. Check motor rotation and direction
This test is to be performed solely from the inverter keypad. Apply power to the inverter after all the electrical
connections have been made and protective covers have been re-attached. At this point,
DO NOT RUN THE
MOTOR
, the keypad should display as shown below in Fig. 5.1 and the speed reference
5.00Hz
should be
blinking at the parameter code “05-01”.
Important: Motor rotation and direction only applies to standard AC motors with a base frequency of
60Hz. For 50Hz or other frequency AC motors please set V/F pattern in group 01 before running the
motor.
Blinking
5.00
5.00
Fig 5.1: Keypad (Stopped)
Fig 5.2: Keypad (Running)
Next press the
RUN
key, see Fig 5.2. The motor should now be operating at low speed running in forward
(clockwise) direction. Next press
STOP
key to stop the motor.
If the motor rotation is incorrect, power down the inverter.
After the power has been turned OFF, wait at least ten minutes until the charge indicator extinguishes
completely before touching any wiring, circuit boards or components.
Using Safety precaution, and referring to section 3.9 exchange any two of the three output leads to the motor
(U/T1, V/T2 and W/T3). After the wiring change, repeat this step
and recheck motor direction.
