4-4
2. Make sure that the motor output terminals (U, V, W) and the motor are connected correctly.
3. Make sure that the Inverter control circuit terminal and the control device are wired correctly.
4. Set all Inverter control circuit terminals to turn OFF.
5. When using a PG speed control board, make sure that it is wired correctly.
6. Make sure that the motor is not connected to the mechanical system. (No-load condition)
îš‹ Checking the Display Status
If the Digital Operator's display at the time the power is connected is normal, it will read as follows:
When an fault has occurred, the details of the fault will be displayed instead of the above display. In that case,
refer to Chapter 7 Troubleshooting. The following display is an example of a display for faulty operation.
Display for normal operation
The frequency reference monitor is dis-
played in the data display section.
Display for fault operation
The display will differ depending on the
type of fault.
A low voltage alarm is shown at left.
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