QB Expert Alpha Controller
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Scheduled Maintenance
9 Maintenance
There are no user serviceable components within the QB Expert Alpha controller. That does not mean that there
are no maintenance requirements or actions to be taken to insure optimal performance of the controller.
WARNING
To Avoid Injury:
• Trained, qualified personnel should perform all repairs.
• Always wear eye protection when servicing equipment.
• Replace worn or damaged components and equipment that are unsuitable for safe operation immediately.
• Always test controller after repair or replacement of parts to assure they function properly. Never test a
partially assembled controller.
• Never modify the tool or controller electrical system.
• Never remove guards and safety devices.
• Always disconnect the tool before repairing the controller.
WARNING
To Avoid Injury:
• Unauthorized opening of equipment and improper repairs can result in loss of life or severe personal injury
as well as substantial property damage.
• Remove conductive jewelry including rings and watches before repairing controllers or electric tools.
• Before opening of equipment, always remove the power plug or open the disconnecting switch.
• Certain parts of this equipment could have dangerously high voltage levels that are accessible with the
cabinet door open.
• Only use parts or components that are contained in the spare parts list or listed in the spare parts lists of
the installation, operation, and maintenance manual or drawings.
Store idle tools and controllers in a dry secure area.
For maximum tool life, only use lubricants specified in the service instructions.
Keep maintenance and repair records on all tools and controllers. Frequency of repair and nature of the repairs
can reveal unsafe applications.
9.1 Scheduled Maintenance
The modules require routine maintenance to insure optimal performance. On a monthly basis:
• Visually inspect and tighten external connections.
• Visually inspect all external cables for excessive wear, frayed wire, or breaks. Replace as needed.
9.2 Diagnostics and Troubleshooting
Use the following diagnostics and troubleshooting guide to identify, isolate, and diagnose both mechanical and
controller software related problems.
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