YXZ149A | ABB PC Board

ASEA PC Board YT212001-AA/2The printed circuit boards contain components sensitive to electrostaticdischarge. Wear a grounding wrist band when handling the boards. Do nottouch the boards unnecessarily.• Handle the unit carefully.• The drive is heavy. Do not lift it alone. Do not lift the unit by the front cover.Place the unit only on its back.• Beware of hot surfaces. Some parts, such as heatsinks of powersemiconductors, remain hot for a while after disconnection of the electricalsupply.• Make sure that dust from borings and grindings does not enter the drive wheninstalling. Electrically conductive dust inside the unit may cause damage ormalfunctioning.• Ensure sufficient cooling.• Do not fasten the drive by riveting or welding.