Troubleshooting - Scan Optics SO-5000 User Manual

SO-5000 Ophthalmic Microscope
SYMPTOM
1. Lamp does not
operate
2. Lamp dim
4. Focusing difficult
5. Blurred view
ISSUE NUMBER: 5.0
DATE: 11/04/02
User Manual

TROUBLESHOOTING

CAUSE
Circuit breaker
Mains power failure
Battery failure
Battery terminals
incorrectly wired
Lamp failure
Power supply
on standby
Light(s) not
switched on
Battery low
Lamp blackened
Intensity set
low
Mould on optical
surfaces
Stiff focus knob
Focus system falls
under own weight
Dirty eyepieces
Mould on optical
surfaces
SUPERSEDES: 4.0
DATE: 22/05/01
REMEDY
Check power indicator light on switch,
(if circuit broken, indicator light will not glow)
and reset circuit breaker as necessary.
Check power indicator light on switch,
use 12V dc battery.
Check battery voltage and replace or
recharge as necessary.
Wire terminals correctly
(red (+) positive; black (-) negative).
Replace lamp.
Press standby button on top
panel once.
Press light switch(es) on top
panel once.
Recharge battery.
Replace lamp.
Increase intensity on top panel or with
foot control.
If mould is evident, return microscope
to Scan Optics for servicing.
Adjust focus friction.
Adjust focus friction.
Clean eyepieces.
If mould is evident, return microscope
to Scan Optics for servicing.
WRITTEN BY: RJK
DATE: 22/08/97
Page 31 of 36
CHECKED BY: NW
DATE: 22/08/97