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What This Guide Helps With
Persistent warnings or applicable audible indications associated with TRS equipment, including conditions caused by power, accessories, setup, environment, or component failure.
Step-by-Step Troubleshooting
1. Protect the Patient and Treat Required Warnings as Safety Functions
If the TRS configuration produces a warning, audible indication, or other alert that cannot be understood or relied upon, remove the affected equipment from patient use and provide a verified backup.
Do not continue using equipment by simply ignoring or silencing an unexplained warning.
Expected outcome: Clinical use continues only with equipment whose required indications are reliable.
2. Confirm What Staff Are Calling an Alarm
Identify the exact sound, indicator, warning behavior, or repeated condition reported. Determine whether it originates from the TRS device itself, charging equipment, another accessory, or nearby equipment.
TRS configurations may not provide the same alarm system found on monitoring or life-support devices, so identify the actual source before troubleshooting.
Expected outcome: The warning or audio complaint is tied to the correct component.
3. Verify Stable Power
Confirm that the affected TRS component or charging equipment has a stable, appropriate power source. Low or intermittent power can create unexpected behavior.
Expected outcome: The warning is not being caused by an obvious depleted or unstable power condition.
4. Inspect Installed Accessories and Interfaces
Check that attachments, power components, and external accessories are compatible and fully seated. Inspect accessible interfaces for contamination, moisture, damage, or incomplete engagement.
Expected outcome: All external components are correctly installed and undamaged.
5. Return Controls to a Normal State
Verify selectors, safety controls, and operating controls are fully positioned and not mechanically stuck between settings.
If the warning appeared after a component change, return the system to a basic valid configuration and retest.
Expected outcome: The warning clears when the external condition is corrected, or persists despite a normal configuration.
6. Separate the Device From Nearby Equipment
If staff report unexpected beeping or weak sound, verify that the audio is actually coming from the TRS component. In a busy OR, chargers, consoles, monitors, and other equipment can be mistaken for one another.
Expected outcome: The true source of the audible condition is confirmed.
7. Compare With Known-Good Equipment
Where appropriate, compare the affected component with another known-good TRS system or charger under the same basic conditions.
Do not use a known-good unit to justify continued use of a suspect unit whose warning behavior remains unexplained.
Expected outcome: Normal behavior is established for comparison and the abnormal component is isolated.
8. Check for Intermittent Audio or Warning Behavior
Under controlled conditions, reproduce the condition if possible. Document whether sound is absent, distorted, intermittent, unusually weak, or accompanied by another operational problem.
Expected outcome: The condition is either resolved or reproduced consistently enough for escalation.
9. Perform Final Functional Verification
After correcting an external cause, verify normal startup, operation, controls, and any applicable audible or visual indications.
Expected outcome: The equipment operates normally and any required indications are clearly functioning. If so, document and stop troubleshooting.
10. Escalate Unexplained Warning or Audio Failure
If an applicable warning remains active or a required audible indication remains unreliable after external causes have been ruled out, remove the component from service.
Expected outcome: Equipment with unresolved warning behavior is not returned to clinical use.
If the Problem Persists
External power, accessory seating, configuration, controls, and the true source of the warning have been verified. The remaining problem may involve an internal warning circuit, audible indicator, control function, charger fault, or other service-level condition.
The affected equipment should be:
- Removed from service.
- Labeled Out of Service.
- Sent for repair or bench evaluation.
- Evaluated using appropriate DePuy Synthes documentation and approved test equipment.
- Repaired or configured only by qualified personnel.
Do not bypass, cover, disable, or otherwise defeat a warning or safety indication. Verify all relevant functions following service.
Knowing when to stop external troubleshooting and escalate is proper troubleshooting.
Clinical Use Tip
Confirm the actual source of a warning in the OR before acting; multiple powered surgical devices and chargers may produce similar audible indications.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"OR staff reported a persistent warning indication from the DePuy Synthes TRS equipment during setup."
Cause
What was observed during troubleshooting.
Example:
"Clinical Engineering found that an external component was not fully seated and the warning cleared when the component was correctly installed."
Resolution
What action was taken.
Example:
"Reseated the compatible component, confirmed the warning remained cleared during repeated functional checks, and returned the equipment to service."
Helpful Details to Include (If Known)
- Exact audible or visual behavior
- Component producing the indication
- When the condition occurs
- Power-source status
- Attachments or accessories installed
- Interface condition
- Control positions
- Known-good comparison
- Whether audio is absent, weak, distorted, or intermittent
- Results after component reseating
- Final device status
Final Thought
Warning and audio complaints must first be tied to the correct TRS component and operating condition. Rule out power, accessory, and setup causes before assuming an internal fault, and do not return equipment with an unexplained safety indication to clinical use.
That is successful troubleshooting.