39
7200790 Service Manual for the HELION
®
XENION
®
Surgical Lighting System GB
12 Testing the Electrics of the HELION M+ / L+ Lamps
12.3
12.3
12.3
12.3
12.3 If the dimmer is defective
If the dimmer is defective
If the dimmer is defective
If the dimmer is defective
If the dimmer is defective
Dismantling the lamp cover:
1. Lift the sealing lip
1
, unscrew the sheet-metal
screws
2
and put the sheet-metal clips
5
in a
safe place.
2. Unscrew the two set screws
4
and push back the
plastic cover
6
from the lamp.
3. Remove the lamp cover
3
.
Checking the cables from the PCB that lead to the
control panel:
4. Unscrew the four recessed countersunk head
screws
7
and remove the housing on the control
panel.
5. Check the secure positioning of the cables
8
/
A
/
B
on the PCB and the control panel.
Replacing the control panel:
6. Disconnect the cable connectors from the control
panel.
Installation:
7. Fit the control panel as described above, but in
reverse order.
Replacing the PCB:
8. Remove all cable connectors and cables from the
PCB.
9. Unscrew the two Allen screws
9
and remove the
PCB.
Installation:
10.Fit the PCB as described above, but in reverse
order.
Installing the lamp cover:
11.Insert the sheet-metal clips
5
into the lamp cover
3
and fit the lamp cover
3
as described above,
but in reverse order.
12.Check the secure positioning of the lamp cover
3
.
Figure 04