27
7200790 Service Manual for the HELION
®
XENION
®
Surgical Lighting System GB
10 Testing the Electrics of the Support System
10.1
10.1
10.1
10.1
10.1 TTTTTesting the voltage at the sliding con-
esting the voltage at the sliding con-
esting the voltage at the sliding con-
esting the voltage at the sliding con-
esting the voltage at the sliding con-
tact in the extension arm
tact in the extension arm
tact in the extension arm
tact in the extension arm
tact in the extension arm
The input voltage is measured at the contact block
3
in the extension arm
2
.
1. Remove the cover
1
from the extension arm
2
.
Testing the input voltage at the contact block:
WARNING – Electric Shock:
The following adjustments must be made
with the power supply switched on.
Cordon off installation site and proceed
with great care.
2. Switch on the power supply and the lamp.
3. Using a voltmeter, measure the input voltage at
the contact block
3
:
• check the proper positioning of the cables,
• if there is still no input voltage, the sliding contact
in the extension arm
2
must be tested according
to Section 10.2
and replaced if necessary
.
Figure 01