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What This Guide Helps With
Troubleshoot incorrect brake or steering behavior and brake-status indication caused by caster interference, control positioning, or sensing problems.
Step-by-Step Troubleshooting
1. Prevent Unintended Bed Movement
Treat any brake malfunction as a potential patient and staff safety hazard.
- Secure the bed against unintended movement.
- Do not leave an occupied bed unattended if braking is unreliable.
- Arrange transfer to a verified bed when necessary.
- Do not use powered transport if braking or steering is unpredictable.
- Never rely solely on an indicator to confirm the bed is secured.
Expected outcome: The bed is safely secured and no patient depends on an unreliable braking system.
2. Confirm the Reported Brake or Indicator Problem
Determine whether the problem is mechanical, electrical, or both.
- Ask whether the bed rolls with the brakes engaged.
- Identify whether steering is difficult or inconsistent.
- Determine whether the brake-not-set indicator remains active despite brake engagement.
- Record any audible or visual warning.
- Identify whether the problem occurs intermittently.
Expected outcome: The exact brake, steering, or indication malfunction is documented.
3. Inspect the Brake and Steer Controls
Examine accessible controls.
- Check for damaged pedals or control levers.
- Confirm that the controls move into their intended positions.
- Look for loose or visibly damaged external components.
- Check whether the pedal returns or remains in the selected position.
- Do not force a stuck mechanism.
Expected outcome: Brake and steering controls move normally without visible damage.
4. Inspect Casters and External Obstructions
Examine the accessible wheel assemblies.
- Look for wrapped linens, tape, debris, or foreign objects.
- Check for visible caster damage.
- Inspect for wheels that are not contacting the floor normally.
- Confirm that accessories are not dragging beneath the bed.
- Remove accessible debris without disassembling the caster assembly.
Expected outcome: Casters are unobstructed and visibly intact.
5. Verify Bed Position and Floor Conditions
Check environmental factors.
- Confirm that the bed is on a stable, level surface.
- Look for uneven flooring or objects beneath the wheels.
- Verify that no equipment is pushing against the frame.
- Check whether the bed is contacting a wall or fixed structure.
- Confirm that the bed is positioned appropriately for brake testing.
Expected outcome: The environment does not interfere with braking or steering.
6. Verify Mechanical Brake Operation
With the bed unoccupied, perform the approved brake test.
- Engage the brakes.
- Apply the manufacturer-approved method for checking resistance to movement.
- Confirm the bed remains stationary.
- Release the brakes.
- Verify that the bed can roll normally when permitted.
- Stop testing if any caster fails to hold or release correctly.
Expected outcome: The brakes hold securely and release normally.
7. Check Brake-Status Indication
Compare the indicator with the actual brake state.
- Observe the indicator with the brakes engaged.
- Observe it again with the brakes released.
- Check for delayed or intermittent changes.
- Confirm that the indication corresponds to the actual mechanical condition.
- Do not bypass or adjust internal sensing components without approved service procedures.
Expected outcome: The brake-status indication accurately reflects the actual brake condition.
8. Verify Steering and Final Safety
After correcting an external issue:
- Verify steering behavior in the appropriate mode.
- Confirm smooth caster movement.
- Repeat brake engagement and release testing.
- Verify the brake-not-set indicator.
- Complete applicable manufacturer mechanical safety checks.
Expected outcome: Braking, steering, and status indication all operate correctly.
Troubleshooting can stop after successful mechanical and indication verification.
If the Problem Persists
If control positioning, casters, obstructions, floor conditions, and mechanical operation have been checked, common external causes have been ruled out.
Possible service-level causes include brake linkage, caster assemblies, steering mechanisms, position sensing, or associated electrical connections.
The bed should be:
- Removed from service and labeled Out of Service.
- Sent for qualified repair or bench evaluation.
- Evaluated using Hillrom documentation and approved test equipment.
- Repaired or adjusted only by qualified personnel.
- Returned to service after successful braking, steering, and indicator verification.
Do not accept a functioning indicator as proof of effective braking.
Clinical Use Tip
Always verify actual brake engagement before patient transfers, even when the bed displays a brake-set indication.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Nursing reported that the Compella brake-not-set indicator remained active after the brake pedal was engaged."
Cause
What was observed during troubleshooting.
Example:
"Clinical Engineering found debris preventing the brake pedal from reaching its fully engaged position."
Resolution
What action was taken.
Example:
"Removed the debris and verified proper brake engagement, release, steering, and brake-status indication."
Helpful Details to Include (If Known)
- Brake or steering complaint
- Actual bed movement
- Brake pedal position
- Caster condition
- Visible debris
- Floor condition
- Indicator behavior
- Audible warning status
- Brake and steering test results
- Final equipment status
Final Thought
Brake and steering problems require immediate attention because they affect patient transfers and bed stability. Verify mechanical conditions before suspecting sensing faults, remove unsafe equipment from service, and document both actual brake performance and indicator operation.
That is successful troubleshooting.