Checking The Display Status - YASKAWA Varispeed CIMR-G7A Instruction Manual

Checking the Display Status

If the Digital Operator's display at the time the power is connected is normal, it will read as follows:
Display for normal operation
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 fault operation
-4
4
-DRIVE-
Rdy
-DRIVE-
Frequency Ref
Frequency Ref
U1- 01= 60.0 0Hz 01 01
U1-01= 0 0 0.0 0Hz
U1-02=60.00Hz
U1-03=10.05A
-DRIVE-
Frequency Ref UV
DC Bus Undervolt
The frequency reference monitor is dis-
played in the data display section.
The display will differ depending on the
type of fault.
A low voltage alarm is shown at left.