Canon CR-2 - Manual (Page 40)

40
If any of the symptoms listed here occurs or if a warning appears in the Rics NM 2 while using the
CR-2, try the relevant remedy described below.
If these remedies do not eliminate the symptoms or the warning, turn off the power and contact
your sales representative or local Canon dealer. Be ready to provide a detailed description of the
symptoms and message.
Symptom Cause and remedy
The power lamp does not light
when the power is turned on.
The power cord has been disconnected. Turn off the power to
the retinal camera and reconnect the power cord.
The power cord has been cut. Contact your sales
representative or local Canon dealer.
5 short beeps sound and the
operation panel lamps blink when
the power is turned on.
A system error has occurred. Contact your sales representative
or local Canon dealer.
The observation monitor is dim
and hard to see.
Adjust the brightness of the observation monitor. See the Rics
NM 2 manual.
The observation monitor does not
turn on.
Turn on the digital camera.
An error appears on the
observation monitor.
A malfunction has been detected in the digital camera. Turn off
the power to the retinal camera and then turn it on again.
Err 06 Sensor cleaning is not possible.
Err 70 Photography is not possible due to an error.
The working distance dots are
hard to see.
The observation light is too bright. Reduce the observation light
brightness.
The split lines are hard to see.
The working distance dots are not
visible.
The retinal camera and the eye are not aligned. Align them
correctly.
Flare appears in the image.
The retinal camera and the eye are not aligned. Align them
correctly. If flare still appears, refer to items 1 through 4 below
and try taking the photo again.
1) White flare appears around
the edges of the image.
The retinal camera and the patient’s eye are separated. Move
the objective lens closer to the patient’s eye.
2) Orange flare appears around
the edges of the image.
The retinal camera and the patient’s eye are too close. Move
the objective lens away from the patient’s eye.
3) White flare appears on the
left side of the image.
The retinal camera is too close to the left side of the patient’s
eye. Move the objective lens to the right.
4) White flare appears on the
right side of the image.
The retinal camera is too close to the right side of the patient’s
eye. Move the objective lens to the left.
The split lines are not visible.
The patient's pupil is not dilated enough. Dilate the patient’s
pupil. If the pupil is still too small, enable the small pupil
photography function.
Eyebrows or eyelashes are blocking the pupil. Instruct the
patient to open his/her eye wider.
The patient's eye is cloudy. Focusing cannot be performed with
the split lines.
The diopter compensation knob is set to either negative or
positive. Set it to the 0 position.
The split line lamps are not lit.
7
Troubleshooting