Getinge Servo-i

Nebulizer Output Not Working

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Asset Type

Ventilator

Manufacturer

Getinge

Model

Servo-i

What This Guide Helps With

Troubleshooting absent or intermittent nebulization caused by setup, medication cup, cable, connector, configuration, or external nebulizer-component problems.

Step-by-Step Troubleshooting

1. Ensure Patient Safety First

Do not troubleshoot failed nebulizer output while the Servo-i is actively supporting a patient when treatment delivery or ventilation could be affected.

Expected outcome: The patient is safely supported without relying on an uncertain nebulizer system.

Continue Clinical Engineering troubleshooting only after the ventilator has been safely removed from patient use.

2. Confirm the Exact Failure

Determine whether:

Record the displayed message and the circumstances under which the failure occurs.

Expected outcome: The failure is clearly identified as a control, connection, nebulizer-cup, or output problem.

3. Verify the Nebulizer Function Is Available and Activated

Confirm that the nebulizer function is installed, enabled, and properly selected on the Servo-i.

Expected outcome: The ventilator accepts the nebulizer command and indicates that nebulization is active.

If the function starts normally and aerosol output is restored, stop troubleshooting.

4. Inspect the Nebulizer Cup and Medication Chamber

Remove the nebulizer cup from use and inspect it for:

Do not scrape, puncture, or press against the nebulizer mesh.

Expected outcome: The nebulizer cup is correctly assembled, clean, undamaged, and filled within its approved operating range.

5. Confirm Correct Circuit Placement

Verify that the nebulizer and adapter are installed in the approved location and orientation for the patient circuit configuration.

Check that:

Expected outcome: The nebulizer is securely positioned with an unobstructed aerosol path.

If correcting the installation restores output, stop troubleshooting.

6. Inspect the Nebulizer Cable and Connectors

Inspect the complete nebulizer cable for:

Disconnect and firmly reconnect each accessible connection.

Getinge previously issued a Servo-i recall involving certain nebulizer connector components, reinforcing the importance of carefully examining connector engagement and condition.

Expected outcome: All connections are clean, dry, undamaged, and fully seated.

If reseating the cable restores output, complete an operational verification and stop troubleshooting.

7. Substitute Known-Good External Components

Using compatible, facility-approved components, test the system with:

Change one component at a time so the failed item can be identified.

Expected outcome: Nebulizer output returns when the defective external component is replaced.

If a specific accessory is confirmed defective, remove it from service and replace it according to facility policy.

8. Check for Contamination or Moisture at the Interface

Inspect accessible nebulizer interfaces for fluid, medication residue, or condensation.

Expected outcome: Connections are clean and dry, without residue that could interfere with electrical contact.

9. Power-Cycle and Retest the Ventilator

After confirming that the ventilator is not connected to a patient:

Observe whether the nebulizer command is accepted and whether aerosol is produced.

Expected outcome: A temporary control-state problem clears and normal nebulizer output returns.

If output returns, complete a full operational check before returning the ventilator to service.

10. Compare With a Known-Good Servo-i When Available

Connect the suspected nebulizer cup and cable to another compatible Servo-i, or connect known-good components to the affected ventilator.

This comparison helps determine whether the problem follows:

Do not connect patient-used accessories to another ventilator until they have been properly processed.

Expected outcome: The fault is isolated to either an external accessory or the ventilator’s nebulizer-control system.

11. Complete an Operational Verification

Before returning the ventilator to service:

Expected outcome: Nebulizer operation is reliable and the ventilator passes the required functional checks.

If the Problem Persists

If known-good accessories do not restore nebulizer output, the common external causes have been ruled out. The problem may involve the nebulizer output connector, control circuitry, internal cabling, software configuration, or another internal ventilator fault.

The Servo-i should be:

Do not continue into internal disassembly unless properly trained and authorized. Knowing when to stop and escalate is proper troubleshooting.

Clinical Use Tip

Never delay a clinically necessary aerosol treatment while troubleshooting the ventilator. Move the patient to another verified delivery method first and troubleshoot only when safe.

Work Order Documentation (CCR Method)

CCR = Complaint, Cause, Resolution

Complaint

What was reported by the clinical staff.

Example:
"Respiratory therapy reported that the Servo-i accepted the nebulizer command, but the connected nebulizer produced no visible aerosol."

Cause

What was observed during troubleshooting.

Example:
"Testing found an intermittent electrical connection at the damaged nebulizer cable connector; output returned consistently with a known-good cable."

Resolution

What action was taken.

Example:
"Removed the damaged cable from service, installed a compatible replacement, verified timed nebulizer output, and completed ventilator operational and alarm testing."

Helpful Details to Include (If Known)

Final Thought

Safe nebulizer troubleshooting begins by protecting the patient and verifying the setup, cup, cable, connectors, and circuit before suspecting an internal ventilator failure. Clear CCR documentation preserves the findings and supports appropriate repair escalation.

That is successful troubleshooting.

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