TROUBLE SHOOTING
This section lists the most common problems users sometimes encounter. All possible user
solutions are also listed for the problems.
¾
If the problem do not remedy the problem, contact our service
Engineers or send the Instrument to our office for service.
¾
If any part is damaged or the Instrument is dropped, send the
Instrument to our office for repair or replacement of damaged parts.
Problem
Reported
Possible Causes
Remedy
Bulb not
glowing
¾
Bulb fused
9
Change the bulb
¾
Carbon deposition in bulb
contact pin
9
Remove the carbon deposit and
re –assemble
¾
Transformer output
problem
9
Measure the output voltage of
Transformer
Bulb Flickering
¾
Loose contact of electrical
connections
9
Check the entire electrical
connections
Low
illumination
¾
Weak bulb after long term
usage
9
Replace bulb
¾
Dust deposit on Cover
Glass / Loss of coating
9
Clean / replace the Cover Glass
¾
Fungus or dust deposit on
optics
9
Clean dust & fungus
¾
Low input AC voltage
9
Check input voltage
No clear image
¾
Dust or fungus in optics
9
Clean the dust or fungus on the
optical parts using appropriate
cleaning solution
22
Summary of Contents for VIO-20
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