On this page
Asset Type
Manufacturer
Model
What This Guide Helps With
Troubleshooting poor, blurry, frozen, flickering, or intermittent video image issues caused by scope, cable, display, settings, or connection problems.
Step-by-Step Troubleshooting
Ensure Patient Safety First
If the Ambu aView 2 Advance is being used during an active procedure and the image becomes poor, blurry, frozen, or intermittent, notify clinical staff immediately.
Do not continue troubleshooting on an active patient unless clinical staff confirms it is safe.
Provide an alternate visualization device or backup monitor if the image cannot be trusted.
Expected outcome: Patient care is protected before troubleshooting begins.
Why it matters: Endoscopy and airway visualization depend on a clear, stable image. An unreliable image can delay or compromise clinical decisions.
Verify the Reported Image Problem
Power on the aView 2 Advance and connect the reported Ambu endoscope or visualization device.
Confirm the exact symptom:
- Blurry image
- Poor contrast or washed-out image
- Flickering image
- Intermittent image loss
- Frozen image
- Delayed video
- No image after movement of the cable or scope
Expected outcome: The issue is confirmed or cannot be reproduced.
If the image is normal and stable during testing, document that the issue could not be duplicated and return the device only after appropriate functional checks.
Check Whether the Problem Follows the Endoscope
Disconnect the reported endoscope and connect a known-good compatible Ambu endoscope or test device, if available.
Observe whether the image becomes clear and stable.
Expected outcome: A known-good scope produces a normal image.
If the known-good scope works normally, the original endoscope is likely the issue. Remove that endoscope from use if reusable, or discard it if single-use per facility policy. Stop troubleshooting the monitor.
Why it matters: Image problems are often caused by the camera, lens, connector, or cable of the attached endoscope rather than the monitor itself.
Inspect the Endoscope Lens or Distal Tip
Check the distal lens area for contamination, fogging, fluid, scratches, cracks, dried debris, or packaging residue.
Clean or replace the scope according to facility policy and the device type.
Expected outcome: The image improves after the lens or distal tip issue is corrected.
If the image becomes clear, document the finding and stop.
Check the Scope-to-Monitor Connection
Inspect the aView 2 Advance input port and the scope connector for:
- Incomplete seating
- Bent pins
- Damaged contacts
- Fluid contamination
- Debris
- Loose fit
- Strain at the connector
Reconnect the scope firmly without forcing the connector.
Expected outcome: The image appears and remains stable after reseating the connection.
If reseating resolves the issue, perform a gentle movement check and document the connector condition.
Perform a Cable Movement Check
With the device not connected to a patient, gently move the scope cable near the connector, along the cable length, and near the distal end.
Watch for image flicker, freezing, color changes, or loss of video.
Expected outcome: The image remains stable during gentle movement.
If the image cuts in and out when the cable is moved, remove the affected scope or cable assembly from service. Do not continue using it clinically.
Why it matters: Intermittent video is commonly caused by damaged conductors, connector strain, or cable fatigue.
Check Monitor Display Condition
Inspect the aView 2 Advance screen for cracks, pressure damage, liquid intrusion, dim areas, discoloration, or touch/display abnormalities.
Clean the screen using approved cleaning methods and verify that the image issue is not simply external screen contamination.
Expected outcome: The display is physically intact and the image quality is not affected by surface contamination.
If the screen is damaged, remove the monitor from service and send it for repair evaluation.
Verify Brightness and Display Settings
Check that the monitor brightness, display mode, and image settings have not been adjusted in a way that makes the image appear dim, washed out, or difficult to interpret.
Restore settings to normal clinical use if they were changed.
Expected outcome: Image brightness and contrast are appropriate for clinical viewing.
If correcting settings resolves the complaint, document the setting change and stop.
Check Power and Battery Status
Confirm the aView 2 Advance has adequate battery charge or is connected to approved external power.
Observe whether the image issue occurs when the battery is low, when charging, or when the power adapter is moved.
Expected outcome: The monitor remains powered and the video remains stable.
If video instability is associated with low battery or power interruptions, charge the monitor fully, inspect the power adapter, and retest.
Restart the Monitor
Power the aView 2 Advance off, wait briefly, and power it back on.
Reconnect the scope and verify whether the video feed returns to normal.
Expected outcome: The monitor boots normally and displays a stable image.
If the issue clears after restart but returns repeatedly, document the behavior and escalate for bench evaluation.
Test Multiple Known-Good Scopes
If available, test more than one known-good compatible scope with the monitor.
Expected outcome: All known-good scopes provide a clear and stable image.
If multiple known-good scopes show the same poor or intermittent image on the same monitor, the issue is likely with the aView 2 Advance monitor, input port, display electronics, or internal processing. Remove the monitor from service.
Confirm Final Device Status
After troubleshooting, clearly determine whether the issue was caused by:
- Original scope
- Scope lens contamination
- Loose connection
- Damaged cable
- Display settings
- Low battery or power problem
- Monitor hardware issue
Expected outcome: The device status is documented clearly before return to service or escalation.
If the Problem Persists
If the image remains poor, blurry, flickering, frozen, or intermittent after external checks, known-good scope testing, connector inspection, power verification, and restart, the common external causes have been ruled out.
The Ambu aView 2 Advance should be removed from service, labeled Out of Service, and sent for repair, vendor evaluation, or bench inspection.
Do not continue using the monitor for patient procedures if image quality cannot be trusted.
Knowing when to stop is proper troubleshooting. Persistent video instability may involve internal display, input connector, processing, or power-related failure that requires repair-level evaluation.
Clinical Use Tip
Do not troubleshoot image quality problems on an active patient unless clinical staff confirms the situation is controlled and safe. If visualization is unclear or intermittent, move to another monitor or scope first, then troubleshoot the removed device.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Clinical staff reported that the Ambu aView 2 Advance had a blurry and intermittent video image during setup for endoscopy use."
Cause
What was observed during troubleshooting.
Example:
"Troubleshooting found that the image dropped out when the connected scope cable was gently moved near the monitor connector."
Resolution
What action was taken.
Example:
"Removed the affected scope from service, verified the aView 2 Advance produced a stable image with a known-good compatible scope, and returned the monitor to service."
Helpful Details to Include (If Known)
- Whether the issue occurred during setup or during a procedure
- Scope model or type connected
- Whether a known-good scope was tested
- Whether the image was blurry, flickering, frozen, delayed, or intermittent
- Connector condition
- Cable movement test results
- Battery or power status
- Screen condition
- Any visible contamination, fluid, debris, or damage
- Whether the issue followed the scope or stayed with the monitor
- Final device status
Final Thought
Poor or intermittent video image complaints should be approached logically and safely. Start with the patient, then check the scope, lens, connector, cable, display condition, settings, and power before suspecting monitor failure. Clear documentation helps separate accessory-related issues from true monitor problems and supports safe return to service or proper escalation.
That is successful troubleshooting.