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