40
7200790 Service Manual for the HELION
®
XENION
®
Surgical Lighting System GB
13 Testing the Electrics of the XENION M/M+ / L/L+ Lamp
13.1
13.1
13.1
13.1
13.1 TTTTTesting the operating voltages, fuses
esting the operating voltages, fuses
esting the operating voltages, fuses
esting the operating voltages, fuses
esting the operating voltages, fuses
and cables in the lamp
and cables in the lamp
and cables in the lamp
and cables in the lamp
and cables in the lamp
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 on the PCB and 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
/
B
/
C
on the PCB and the control panel.
Checking the voltage at the PCB and the fuses:
6. Check the fuses
9
and replace if necessary. Fuse
type: T6L 250 V (6 A slow-blow)
DANGER – Electric Shock – High Voltage:
The ballast in XENION lamps produces a
starting voltage of 300 V:
When carrying out measurements in the
lamp with the power switched on:
• cordon off the installation site,
• avoid all contact with conductive parts.
7. Switch on the power supply and the lamp and set
the lamp to maximum brightness.
Continued on next page.
Figure 01