4.5 Power Up and Checking the Operation Display Status
YASKAWA ELECTRIC EZZ010928 FSDrive-MV1000 Instructions 93
Start-Up Programming
& Operation
4
4.5 Power Up and Checking the Operation Display Status
◆ Power Up the Drive and Checking the Operation Display Status
■ Power Up
1. Turn the control power on, and check the digital operator to see if there are any faults.
2. Confirm the following before turning on the power supply.
Note: If a UPS is built-in, turn the power to the UPS on before turning on the control power. As a measure against overdischarge, also
be sure to turn the UPS off after turning off the control power.
■ Checking the Display Status
When the power is turned on, the digital operator display in the normal status reads as follows.
Item to Check Description
Power supply voltage of main circuit
Confirm that the power supply voltage of the main circuit is correct.
2-kV class: Three-phase, 2400 V (60 Hz ± 5%)
4-kV class: Three-phase, 4160 V (60 Hz ± 5%)
Confirm that the input terminals R, S and T of the main circuit’s power supply are securely
connected.
Confirm that the drive and motor are grounded properly.
Connection between drive output
terminals and motor terminals
Confirm that the drive output terminals (U, V, and W) are surely connected to the motor
terminals (U, V, and W).
Connection of drive control circuit
terminals
Confirm that the drive control circuit terminals are surely connected to the terminals of other
controller.
Status of drive control terminals Confirm that all the drive control circuit terminals are turned OFF (drive is inactive).
Load status Confirm that the motor is in no-load state (not connected to the machine system).
No Name Description
Normal
Operation
The monitoring of frequency reference is displayed in the data display area.
Fault
(Example: Current detection fault)
The display content depends on the details of fault. Take appropriate measures by
referring to Troubleshooting on page 107.
lights.
- MODE -
U1-01= 0.00Hz
U1-02= 0.00Hz
U1-03= 0.0A
DRV
FREF(OPR)
Rdy
JOG FWD FWD/REV
LSEQ
LREF
DIGITAL OPERATOR JVOP-180
ALARM
- MODE - DRV
Er-12
FWD
RESET
STOP key