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1. Before you begin
Read and understand these instructions before performing any procedure with this drive.
DANGER
HAZARDOUS VOLTAGE
• Read and understand the Installation Manual before installing or operating the Altivar 71 drive. Installation, adjustment,
repair, and maintenance must be performed by qualified personnel.
• The user is responsible for compliance with all international and national electrical standards in force concerning
protective grounding of all equipment.
• Many parts of this variable speed drive, including the printed circuit boards, operate at the line voltage. DO NOT TOUCH.
Use only electrically insulated tools.
• DO NOT touch unshielded components or terminal strip screw connections with voltage present.
• DO NOT short across terminals PA/+ and PC/- or across the DC bus capacitors.
• Install and close all covers before applying power or starting and stopping the drive.
• Before servicing the variable speed drive
- Disconnect all power.
- Place a “DO NOT TURN ON” label on the variable speed drive disconnect.
- Lock the disconnect in the open position.
• Disconnect all power including external control power that may be present before servicing the drive. WAIT 15
MINUTES to allow the DC bus capacitors to discharge. Then follow the DC bus voltage measurement procedure given
in the installation manual to verify that the DC voltage is less than 45 VDC. The drive LEDs are not accurate indicators
of the absence of DC bus voltage.
Electric shock will result in death or serious injury.
CAUTION
EQUIPMENT DAMAGE
Do not operate or install any drive that appears damaged.
Failure to follow these instructions can result in equipment damage.