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Maintenance timers and counters
The supply and inverter control programs have maintenance timers and counters that can
be configured to generate a warning when a pre-defined limit is reached. Each timer/counter
can be set to monitor any parameter. This feature is especially useful as a service reminder.
For more information, see the supply and inverter control program firmware manuals.
Cooling system
For instructions on coolant replacement and checking the cooling system, see chapter
Internal cooling circuit (page
Cabinet
￭
Cleaning the interior of the cabinet
WARNING!
Read the safety instructions given in Safety instructions for ACS880
liquid-cooled multidrive cabinets and modules (3AXD50000048633
[English]). If you ignore them, injury or death, or damage to the equipment
can occur.
WARNING!
Use a vacuum cleaner with an antistatic hose and nozzle, and wear a grounding
wristband. Otherwise an electrostatic charge might build up and damage the circuit
boards.
1. Stop the drive and do the steps in section
you start the work.
2. Open the cabinet door.
3. Clean the interior of the cabinet. Use a vacuum cleaner and a soft brush.
4. Clean the air inlets of the fans and air outlets of the modules (top).
5. Clean the air inlet gratings (if any) on the door.
6. Close the door.
Power connections
￭
Retightening the power connections
WARNING!
Read the safety instructions given in Safety instructions for ACS880
liquid-cooled multidrive cabinets and modules (3AXD50000048633
[English]). If you ignore them, injury or death, or damage to the equipment
can occur.
1. Repeat the steps described in section
2. Check the tightness of the cable connections. Use the tightening torques given in the
technical data.
65).
Electrical safety precautions (page 42)
Electrical safety precautions (page
Maintenance 57
before
42).
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