Before Calling A Service Technician; Troubleshooting - Canon CF-1 Operating Manual

000_L-IE-5152E_CF-1.book Page 45 Monday, July 29, 2013 10:30 AM

7.2 Before Calling a Service Technician

Perform the appropriate remedy when any of the problems below appear in inspection or during operation
or a warning is displayed in the control software.
If performing the remedy still does not fix the problem, or the warning is still displayed, turn OFF the
power, and contact your sales representative or local Canon dealer.
Please be sure to describe the problem or warning message in detail.

7.2.1 Troubleshooting

When the retinal camera
main unit is raised and
lowered, its movement is
stiff at the upper limit.
The POWER lamp does
not light up when the
power is turned ON.
When the power is turned
on, 3 short beeps sound
and the display lamps on
the operation panel blink.
The external eye fixation
lamp does not light up or
flicker.
The external eye fixation
lamp does not stop at the
specified position.
The fundus image is still
not visible even when
increasing the brightness
for observation with the
brightness adjuster.
It is hard to see the split
lines and working distance
dots.
The working distance dots
are not visible.
Flare is visible.
Problem
The camera was subjected to
severe vibration while it was in
transit.
The power cable is disconnected.
An indoor circuit breaker has
been tripped.
The cable is cut.
A system error has occurred.
The external eye fixation lamp is
not attached properly.
The holding power has become
weak.
The lamp for observation is burnt
out.
The brightness for observation is
too strong.
The positioning is not correct.
7. Daily Inspection and Maintenance
Cause
Turn the operation lever, and move the
main unit to the upper level by raising
and lowering it several times.
Turn OFF the power to the main unit, and
connect the cable properly.
Find and resolve the cause of the tripped
circuit breaker, and reset the circuit
breaker.
Turn OFF the power to the main unit, and
contact your sales representative or local
Canon dealer.
Turn off the power to the main unit and
contact your sales representative or local
Canon dealer.
Insert the external eye fixation lamp
fully into the connector on top of the
head rest.
Contact your sales representative or local
Canon dealer.
Contact your sales representative or local
Canon dealer.
Reduce the brightness for observation.
Perform positioning.
Continued on the following page >>
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Remedy