6 Maintenance and care
bon E-50
6 Maintenance and care
6.1 Care
Clean the refraction unit with a clean, damp cloth. Do not use any abrasive or harsh cleaning
products!
6.2 Maintenance and safety checks
When used properly, the refraction unit should not require repeated maintenance. For repairs
or technical problems please contact the bon Optic customer services department.
For this device, no special safety checks are required. In order to meet the requirements of
the directive on the operation of medical devices, we recommend regular testing of the
electrics in accordance with DIN VDE 0751 in connection with the electricity supply.
6.3 Repairs you can carry out yourself
6.3.1 Changing the fuses
Use only type (T) fuses with the fuse values shown in Table
1!
GA bon E-50 Rev 1.0 E 211005.doc
10/15
1) Disconnect the refraction unit from the mains before
changing a fuse!
2) Open the appropriate fuse element with a screwdriver.
3) Remove the old fuse from the holder and insert a new fuse
of the same type.
4) Place the fuse holder back into the fuse socket.
5) Close the fuse element with the screwdriver.
Component
Fuse
Fuse value/A
Chair unit
F1
3.15
Adjustable table
(examination apparatus)
F2
4.0
Adjustable table
(examination apparatus)
F3
6.3
*back-up supply 12 V
F4
3.15
Main fuse mains connections
F5
5.0
Main fuse mains connections
F6
5.0
Table 1: Fuses for the refraction unit