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Maintenance timers and counters
The control program has 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 firmware manual.
Internal liquid-cooling system
For instructions on coolant replacement and checking the liquid-cooling system, see
chapter
Internal cooling
Cabinet
Cleaning the interior of the cabinet
￭
WARNING!
Obey the safety instructions of the drive. If you ignore them, injury or
death, or damage to the equipment can occur.
WARNING!
Use a vacuum cleaner with antistatic hose and nozzle, and wear a grounding
wristband. Using a normal vacuum cleaner creates static discharges which can
damage circuit boards.
1.
Stop the drive and do the steps in section
before 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.
Cleaning the heat exchanger
For cleaning the heat exchanger, remove the fan. See
fan (page
83).
circuit.
Electrical safety precautions (page 56)
Replacing the cabinet
Maintenance 81
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