User`s manual

doc-3302-2 OverView mDR50-DL (May 2003) 7-1
7 Main tenance and Servicing
OVERVIEW MDR50-DL requires very little maintenance and servicing. Maintenance operations are
nevertheless necessary at regular intervals to guarantee good operational performance.
This chapter describes maintenance and servicing of O
VERVIEW MDR50-DL.
Only authorized personnel should carry out other maintenance work not explicitly
mentioned in this installation manual!
Never open the case of OverView mDR50-DL 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.