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Manufacturer
Model
What This Guide Helps With
Tube stand, wall stand, or table tracking issues caused by setup, positioning, lock, sensor, accessory, or system communication problems.
Step-by-Step Troubleshooting
Ensure Patient Safety First
Do not troubleshoot movement, tracking, or positioning problems while a patient is actively positioned for imaging.
Action:
- Remove the patient from the table or move them to a safe position before testing system movement.
- Confirm the tube stand, wall stand, and table can be moved without contacting the patient, staff, accessories, or nearby equipment.
Expected outcome: The area is safe before any mechanical movement or tracking test is performed.
Why it matters: Tracking problems can cause unexpected positioning behavior, poor alignment, collision risk, or repeat imaging.
If patient safety cannot be maintained, stop and remove the system from clinical use.
Verify the Reported Tracking Problem
Confirm exactly what staff mean by “tracking problem.”
Action:
- Ask whether the issue involves:
- Tube stand not following the table
- Tube stand not tracking the wall stand
- Wall stand bucky not aligning
- Table bucky not tracking properly
- Detector/table position not recognized
- Tube/table/wall stand alignment indicators not matching
- Movement stops, jerks, or requires excessive manual correction
- Attempt to reproduce the issue without a patient present.
Expected outcome: The specific tracking failure is confirmed before troubleshooting continues.
If the issue cannot be reproduced, document the reported behavior and continue with basic checks.
Check for Physical Obstructions
Inspect the tube stand, table, wall stand, and floor path for anything interfering with movement.
Action:
- Check for:
- Cables caught under the table or tube stand
- Foot pedals, stools, trash cans, linen carts, or accessories in the travel path
- Debris in floor rails or around moving bases
- Wall stand bucky obstruction
- Table pads, straps, positioning aids, or detector holders preventing movement
- Remove any obstruction and retest tracking.
Expected outcome: Movement and tracking return to normal after the obstruction is removed.
If this resolves the issue, return the system to service and document the obstruction found.
Verify Mechanical Locks and Brakes Are Fully Released
A partially engaged lock can make tracking appear failed.
Action:
- Check that all relevant locks, brakes, and detents are released before attempting movement.
- Confirm:
- Tube stand longitudinal movement is unlocked
- Tube angulation locks are released as needed
- Wall stand bucky movement is unlocked
- Table movement is not locked
- Any emergency stop or movement inhibit condition is cleared
- Retest the affected tracking function.
Expected outcome: The component moves freely and tracks correctly.
If movement is restored after releasing a lock, stop troubleshooting and document the finding.
Check System Power and Startup Status
Tracking may not work correctly if one part of the system is not fully powered, initialized, or communicating.
Action:
- Confirm the radiographic system is fully powered on.
- Check for:
- Console startup complete
- Generator ready status
- Tube stand display or indicators active, if equipped
- Table and wall stand powered and responsive
- No startup errors or motion inhibit messages
- Restart the system only if it is safe and allowed by site procedure.
Expected outcome: All system components initialize normally with no motion or tracking errors.
If a specific component does not power up or initialize, troubleshoot that power or communication issue first.
Check Emergency Stop and Safety Interlock Status
A safety stop or interlock may disable tracking or motion.
Action:
- Inspect all accessible emergency stop buttons and safety interlocks.
- Confirm:
- Emergency stop buttons are not pressed
- Collision sensors are not triggered
- Table safety switches are not obstructed
- Wall stand and tube stand travel limits are not reached
- No service panel or access cover appears open or loose
- Reset only normal operator-accessible emergency stop buttons according to site procedure.
Expected outcome: Motion and tracking are available once the safety inhibit is cleared.
If the system continues to report a safety inhibit with no visible cause, remove it from service.
Verify Detector and Bucky Positioning
Incorrect detector or bucky position can cause alignment or tracking complaints.
Action:
- Check whether the selected image receptor matches the intended exam setup.
- Confirm:
- Correct detector is selected
- Detector is seated properly in the table or wall stand bucky
- Bucky tray is fully latched
- Wireless detector battery is charged, if applicable
- Detector is recognized by the acquisition workstation
- Staff are not attempting table tracking while the system is set for wall stand imaging, or vice versa
- Retest the tracking function after confirming setup.
Expected outcome: The system recognizes the correct receptor and tracking behaves normally.
If this resolves the issue, document the incorrect receptor or detector setup.
Confirm Exam Room Setup and Selected Tracking Mode
The system may behave correctly but not as expected if the wrong positioning mode is selected.
Action:
- Check the acquisition workstation, tube stand controls, or room interface for the selected receptor or positioning mode.
- Verify the system is set for the intended configuration:
- Table bucky imaging
- Wall stand imaging
- Free detector imaging
- Manual positioning
- Auto-tracking or tube tracking mode, if available
- Change only normal user-accessible settings.
Expected outcome: Tube stand, table, or wall stand tracking matches the selected exam mode.
If the tracking problem was caused by mode selection, return the system to service after verifying normal operation.
Inspect External Cables and Connectors
Loose or damaged cables can cause intermittent tracking, position feedback, or communication problems.
Action:
- Visually inspect accessible external cabling between the table, wall stand, tube stand, generator, and workstation.
- Look for:
- Loose connectors
- Damaged cable jackets
- Pinched cables
- Strain at connector ends
- Cables pulled tight during movement
- Cables near moving mechanical parts
- Do not open panels or perform internal wiring repair during basic troubleshooting.
Expected outcome: External cabling is secure and undamaged.
If a cable is loose and accessible, reseat it if allowed by site procedure and retest. If damaged, remove the system from service.
Check for Position Sensor or Alignment Indicator Problems
Tracking depends on accurate position feedback. A sensor issue may show up as incorrect position, inconsistent alignment, or motion errors.
Action:
- Move the affected component through a small safe range of travel and observe system feedback.
- Check whether:
- Position indicators update smoothly
- Alignment lights or indicators respond correctly
- The system detects table or wall stand position
- Movement stops unexpectedly
- Tracking works in one direction but not another
- The error occurs only at certain positions
Expected outcome: Position feedback changes smoothly and matches physical movement.
If feedback is missing, delayed, erratic, or position-dependent, the issue may involve a position sensor, encoder, cable, or control circuit. Escalate for service evaluation.
Test Table Tracking Separately
Isolate whether the issue follows the table movement.
Action:
- With the room clear, move the table through normal operator-accessible motion.
- Observe whether:
- Table movement is smooth
- Tube tracking follows as expected
- Table locks release properly
- Tracking fails only during tabletop movement
- The table reports an error or stops unexpectedly
Expected outcome: Table movement is smooth and tube tracking follows appropriately.
If the table movement is abnormal, the table may require service evaluation.
Test Wall Stand Tracking Separately
Isolate whether the issue follows the wall stand or wall bucky.
Action:
- Move the wall stand bucky through its normal range, if safe.
- Observe whether:
- Wall stand bucky moves smoothly
- Position feedback updates correctly
- Tube tracking follows the wall stand position
- Movement is restricted or noisy
- The issue occurs at a repeatable height or position
Expected outcome: Wall stand movement and tracking are consistent.
If the wall stand binds, slips, fails to report position, or causes repeated tracking errors, remove the system from service.
Test Tube Stand Movement Separately
Confirm the tube stand itself moves correctly before blaming table or wall stand tracking.
Action:
- Move the tube stand manually through safe operator-accessible motion.
- Check:
- Longitudinal travel
- Vertical travel
- Transverse movement
- Tube angulation
- Detents or locks
- Smoothness of motion
- Any unusual noise, drag, or sudden stopping
Expected outcome: Tube stand movement is smooth, controlled, and position feedback remains stable.
If tube stand movement is rough, restricted, or erratic, the problem may be mechanical or sensor-related and should be escalated.
Check for Recent Changes
Recent room changes often create tracking complaints.
Action:
- Ask staff whether anything changed before the problem started.
- Check for:
- Detector replacement
- Workstation update
- Room calibration
- Table service
- Wall stand service
- Tube stand collision
- Construction, floor work, or equipment relocation
- New positioning accessories
Expected outcome: Any recent change is identified and considered during escalation.
If the problem began after service, software update, or collision, document that clearly in the work order.
Perform a Safe Functional Check
After external checks, perform a basic room function test without a patient.
Action:
- Verify:
- Table tracking
- Wall stand tracking
- Manual tube positioning
- Detector recognition
- Alignment indication
- No active motion, tracking, or interlock error
- No unusual sound, smell, heat, vibration, or resistance
Expected outcome: Tracking operates normally and the room is safe for clinical use.
If the issue is resolved and no abnormal condition remains, return the system to service.
If the Problem Persists
If the tracking issue remains after checking safety, obstructions, locks, detector setup, selected mode, external cables, and basic movement, common external causes have been ruled out.
The problem may involve an internal position sensor, encoder, brake, motor control circuit, communication pathway, calibration issue, or mechanical alignment problem.
The DRX-Evolution should be:
- Removed from service
- Labeled Out of Service
- Sent for repair, vendor service, or bench/system evaluation
Knowing when to stop is proper troubleshooting. Do not continue forcing movement, bypassing interlocks, or performing internal adjustments without the proper service procedure and authorization.
Clinical Use Tip
Never troubleshoot tube stand, table, or wall stand tracking with a patient positioned for imaging. Move the patient first, clear the room path, and verify motion only when it is safe. Tracking failures can create collision risk, positioning errors, repeat exposures, or delayed imaging.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Radiology reported the Carestream DRX-Evolution tube stand was not tracking correctly with the wall stand during chest imaging setup."
Cause
What was observed during troubleshooting.
Example:
"Verified tracking failure with no patient present; no obstruction found, locks were released, detector was seated correctly, and wall stand position feedback appeared inconsistent."
Resolution
What action was taken.
Example:
"Removed room from service, labeled system Out of Service, documented failed wall stand tracking behavior, and escalated to vendor service for evaluation."
Helpful Details to Include (If Known)
- Whether the issue involved the tube stand, wall stand, table, or all tracking modes
- Whether the problem occurred during table imaging, wall stand imaging, or both
- Detector selected and whether it was recognized
- Power behavior, outlet status, or system power status, if relevant
- Any displayed error, alarm behavior, or motion inhibit message
- Whether locks, brakes, or emergency stops were checked
- Whether accessories were swapped, moved, or removed
- Whether cables were inspected or reseated
- Whether tracking failed in one direction or at one position
- Any unusual noise, binding, vibration, heat, smell, environmental factors, or collision history
- Any indicator lights, alignment indicators, or position feedback behavior
- Whether the device was returned to service or removed from service
Final Thought
Tracking issues on a radiographic room should be approached logically and safely. Start with the patient, then check physical obstructions, locks, detector setup, selected mode, and visible cables before assuming an internal failure. If movement or position feedback remains unreliable, remove the system from service and document the findings clearly.
That is successful troubleshooting.