Welch Allyn XENON 300 LIGHT SOURCE - User Manual - Manual (Page 16)

12 Chapter 3 Maintenance Welch Allyn Xenon 300 Light Source
Basic Troubleshooting
Symptom Possible Problem Remedy
Power does
not come on. Power plug is not plugged into the receptacle.
Power switch is off.
Fuse is blown.
Lamp door is not closed tightly.
Lamp module is not installed incorrectly.
Plug in power cord.
Turn on power switch.
Replace fuse.
Close lamp door completely.
Reinstall lamp module correctly.
No light
output. Power plug is not plugged into receptacle.
Power switch is off.
Fuse is blown.
Lamp door is not closed tightly.
Lamp module is installed incorrectly.
Turret misaligned with light port.
Lamp burned out.
Fiber bundle is not connected.
Light attenuator is set to minimum.
Plug in power cord.
Turn on power switch.
Replace fuse.
Close lamp door completely.
Reinstall lamp module.
Set turret to detent position (light port
aligned).
Replace lamp.
Connect fiber bundle correctly.
Set the light attenuator to minimum level
needed for adequate visualization.
Lamp
flickers or
dims. Lamp is getting old. Replace lamp.
Light source
turns off
after a few
minutes of
operation. Obstructed air intake; overheating causes
thermal switch to trip.
Fan not running; overheating causes thermal
switch to trip.
Allow unit to cool (5-10 minutes). Remove
obstruction(s).
Contact Welch Allyn.
Low light
output Accessory damaged.
Lamp is old.
Light transmission rod is damaged or
contaminated.
Replace accessory.
Replace lamp.
Clean with isopropyl alcohol and allow to dry.
Use care not to chip edges.
Contact Welch Allyn for repair.
Several
ignition
attempts
needed to
start lamp. Three or fewer ignition attempts are normal. Replace lamp if four or more ignition attempts
are required.