Startup Procedure and
Test Run
4
4.4 Items to Check before Starting Up the Drive
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual 127
4.4 Items to Check before Starting Up the Drive
◆ Check before Energizing the Drive
Check these items before energizing the drive.
Table 4.4 Items to Check before Energizing the Drive
Items to Check Description
Input Power Supply Voltage
The voltage of the input power supply must be:
400 V class: three-phase AC 380 V to 480 V 50/60 Hz, DC 510 V to 680 V
Correctly and safely wire power supply input terminals R/L1, S/L2, T/L3.
Correctly ground the drive and motor.
Connection between Drive Output
Terminals and Motor Terminals
Correctly wire drive output terminals (U/T1, V/T2, and W/T3) and motor terminals (U, V, and W), and tighten loose screws.
Control Circuit Terminal Wiring
Turn OFF the inputs from all devices and switches connected to the drive control circuit terminals.
Control Circuit Terminal Status
Turn OFF the inputs from all devices and switches connected to the drive control circuit terminals.
Connection between Machinery and
Motor
Disengage all couplings and belts that connect the motor and machinery.
◆ Check after Energizing the Drive
Check these items after energizing the drive. The keypad will show these screens depending on the drive status.
Table 4.5 Display Status after Energizing the Drive
Status Display Description
During Usual
Operation
HOME Screen
The data display area will show the HOME screen
When the Drive
Detects a Fault
The display changes depending on the fault. Refer to “Troubleshooting” to remove the cause of the fault.
will illuminate.
Note:
If the screen shows a different screen, do these steps to show the fault content again:
1. Push from the HOME screen.
2. Push (Home) from a different screen than the HOME screen.
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