11 Maintenance and S ervicing
A
CS4 requires very little maintenance and servicing. Maintenance operations are neverthe-
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less necessary at regular intervals to guarantee good operational performance.
This chapter describes maintenance and servicing of A
Only authorized personnel should carry out other maintenance work not explicitly
mentioned in this user manual!
Never open the access cover without first disconnecting the power supply cord!
Measurements and tests with the opened device may be carried out only in the
factory or by specially trained personnel, due to the dangers of electrical shock.
R5976255 A
CS4 (2001-03)
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CS4.
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11-1