9 Maintenance
9.1 Cleaning
Clean the control panel with a cleansing agent without solvent. Be carefully that no cleansing agent or
humidity penetrates into the monitor what may damage electronic components.
9.2 Fuses
The 2 mains fuses are installed on the rear panel near the mains switch. The monitor must be swit-
ched off and disconnected from the mains to exchange the fuses. The figure below shows the fuse
holder. The fuses must be replaced by the same type.
Mains voltage Rating Part Number
110....120V AC 10AT/250V slow blow. (2 fuses) 7403.0833
220....240V AC 5AT/250V slow blow. (2 fuses) 7403.0822
1 Mains switch
2 Fuse holder
9.3 Repairs
A defective monitor may only be opened and repaired by special trained personnel!
Repair indications and instructions to eliminate errors are contained in the Technical Manual.
The guarantee will become void in case of improper repairs and interventions.
1 2
5999.530-01E 14.01.2004 CSWM 4 52
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