6 Care and maintenance
bon E-20 SE
6.3.2 Safety fuse
Only use fuses with the safety values listed in illustration 6-1 Type (T)!
13/23
Fig. 6-1: Fuses behind the refraction unit
1) Bevore changing the fuse removes the plug from the mains socket.
2) Open the relevant fuse holder with a screw driver.
3) Remove the old fuse from the holder and place a new fuse of the same type in the holder.
4) Push the fuse holder back into the fuse port.
5) Close the fuse holder with a screw driver.
6.3.3 Function defects
Component
Defect
Fuse
Fuse Value
Chair elevation
Up and down movement of patient chair does not function
F1
T 3,15 A
Translation table
(Examination instruments)
The table cannot be locked, the instruments do not work.
Relay „clicks“ upon activating the table lock switch
F2
T 4,0 A
Translation table
(Examination instruments)
The table cannot be locked into position instruments do
not work.
Relay „clicks“ without table lock being activated
F3
T 6,3 A
Examination Light
Examination light and key pad illumination do not function
F4
T 3,15 A
Main fuse power supply
Refraction unit does not function
F5
T 5,0 A
Main fuse power supply
Refraction unit does not function
F6
T 5,0 A
Table 1: Defects
