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Asset Type
Manufacturer
Model
What This Guide Helps With
Addresses incorrect color rendering or unnatural image hues, ensuring accurate tissue visualization during procedures.
Step-by-Step Troubleshooting
Ensure Patient Safety First
Confirm the system is not in use on an active patient. Move the procedure to a backup camera system to prevent patient risk.
Inspect Camera Head and Hub Connections
- Check that the camera head is securely attached to the hub.
- Verify that all locking mechanisms click into place.
- Ensure no visible damage or debris on connectors.
- Expected Outcome: Properly seated connections often restore white balance automatically.
Verify Light Source Settings
- Ensure the LED or Xenon light source is on and functioning.
- Confirm the brightness and color temperature settings are within recommended ranges.
- Why: White balance depends on consistent, appropriate illumination.
Perform White Balance Procedure
- Use the system’s white balance function, typically via the on-screen menu.
- Place the camera on a neutral reference target (white or gray card) and initiate calibration.
- Expected Outcome: Colors should appear natural and neutral; if successful, image quality is restored.
Check for Accessories Affecting Color
- Remove any filters, adapters, or scope couplers that may alter light or color transmission.
- Why: Added optics can distort color reproduction and affect white balance.
Inspect Cables for Damage or Interference
- Swap video and power cables with known-good cables.
- Check for kinks, frays, or bent pins.
- Expected Outcome: Resolves color distortion caused by poor signal transmission.
If the Problem Persists
External causes have likely been ruled out. The system should be:
- Removed from service
- Labeled Out of Service
- Sent for repair or bench evaluation
Note: Escalating to repair ensures internal calibration circuits or sensors are correctly addressed.
Clinical Use Tip
Never perform white balance adjustments on an active patient. Always move the patient to another device first to maintain patient safety.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"OR staff reported images appearing unusually red and white tones inaccurate."
Cause
What was observed during troubleshooting.
Example:
"White balance calibration had drifted due to repeated usage; no physical damage found."
Resolution
What action was taken.
Example:
"Performed full white balance procedure using neutral reference target; verified natural color display."
Helpful Details to Include (If Known)
- Hub and camera head connections confirmed
- Light source verified and set correctly
- White balance menu procedure followed
- Cables inspected and swapped
- Device status post-calibration: functioning
Final Thought
White balance ensures accurate tissue visualization critical for surgical safety. Follow logical, stepwise checks before escalating. Proper documentation supports patient safety and efficient maintenance.
That is successful troubleshooting.