7200790 Service Manual for the HELION
®
XENION
®
Surgical Lighting System GB
16
4 Table – Troubleshooting and Possible Remedies
XENION light head
No light
No input voltage
Check building power supply
9.1
Mains fuse for building power
supply defective
Check mains fuse at automatic circuit
breaker
9.2
Electrical connection for lamp,
cardanic suspension, spring arm
or extension arm interrupted
Check internal electrical supply lines
for lamp, cardanic suspension, spring
arm or extension arm
10
Defective sliding contact in
extension arm
Replace sliding contact in extension
arm/check slip ring on central column
10.1
10.2
Defective cable in light
head/cardanic suspension
Check/replace internal electrical
supply line in light head/
replace cardanic suspension
10.3
10.4
Defective cable in spring arm
Check/replace internal electrical
supply line in spring arm
10.4
10.5
Defective cable in extension arm
Check/replace internal electrical
supply line in extension arm
10.6
10.7
Defective slip ring on central
column
Replace slip ring on central column
10.8
10.9
Contact areas burnt/damaged
Check operating voltage at focus
unit/replace unit
13.1
Line contact on PCB in light head
defective/
PCB defective/fuse on PCB
defective/cables in light head
defective/ballast defective
Check positioning of cables on PCB
and control panel/replace PCB/
replace fuse on PCB/
replace cables in light head
The halogen lamp does not light
up when switched on
Halogen lamp defective/no
power supply available
XENION L / L+ only:
Replace lamp/check voltage of
electronics
13.1
5.4
Only the halogen lamp lights up
Metal vapour lamp
defective/power supply to
electronics too low/high
XENION L / L+ only:
Replace lamp/check LED indicator on
the electronics/check voltage
No dimmer function
Line contact on
PCB/potentiometer/ballast in
light head defective
Check positioning of cables on
PCB/potentiometer/control
panel/replace potentiometer
13.2
Dimmer functioning incorrectly
Reversed potentiometer polarity
Change potentiometer polarity