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1.3.2 Detaching the cover
Danger
Mandatory
• Never remove the front cover while power is on or within 15 minutes after power off.
Never turn on the power while the front cover is open.
Circuit boards are exposed when the front cover is removed and contact with them will result in
electric shock.
• The following steps must be performed before wiring.
(1) Turn off all input power to the inverter.
(2) Wait at least 15 minutes, and remove screws on front cover and open the front cover. In this
step, take care not to touch inside the inverter drive.
(3) Check that the charge lamp is no longer lit, and remove the front cover.
(4) Use a tester that can measure DC voltage 800VDC or more, and check to make sure that
the
voltage to the DC main circuits (between PA/+ and PC/-) is 45V or less.
If these steps are not properly performed, the wiring will cause electric shock.
Q Front cover
Before removing the front cover in order to wire for power terminals or control terminals, detach the cable for
operation panel as shown below.
After wiring, connect the cable for operation panel to its original location before closing front cover.
Note) Attach the front cover correctly. Imperfect attachment may result in failure of IP54 compliance.
3) Detach the cable for
operation panel
1) Remove screws
2) Open the front cover