Canon CF-1 - Manual (Page 45)

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7. Daily Inspection and Maintenance
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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
Problem Cause Remedy
When the retinal camera
main unit is raised and
lowered, its movement is
stiff at the upper limit.
The camera was subjected to
severe vibration while it was in
transit. Turn the operation lever, and move the
main unit to the upper level by raising
and lowering it several times.
The POWER lamp does
not light up when the
power is turned ON.
The power cable is disconnected.
Turn OFF the power to the main unit, and
connect the cable properly.
An indoor circuit breaker has
been tripped.
Find and resolve the cause of the tripped
circuit breaker, and reset the circuit
breaker.
The cable is cut.
Turn OFF the power to the main unit, and
contact your sales representative or local
Canon dealer.
When the power is turned
on, 3 short beeps sound
and the display lamps on
the operation panel blink.
A system error has occurred.
Turn off the power to the main unit and
contact your sales representative or local
Canon dealer.
The external eye fixation
lamp does not light up or
flicker.
The external eye fixation lamp is
not attached properly.
Insert the external eye fixation lamp
fully into the connector on top of the
head rest.
The external eye fixation
lamp does not stop at the
specified position.
The holding power has become
weak. Contact your sales representative or local
Canon dealer.
The fundus image is still
not visible even when
increasing the brightness
for observation with the
brightness adjuster.
The lamp for observation is burnt
out. Contact your sales representative or local
Canon dealer.
It is hard to see the split
lines and working distance
dots.
The brightness for observation is
too strong.
Reduce the brightness for observation.
The working distance dots
are not visible.
The positioning is not correct. Perform positioning.
Flare is visible.
000_L-IE-5152E_CF-1.book Page 45 Monday, July 29, 2013 10:30 AM