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Manufacturer
Model
What This Guide Helps With
Blank displays, frozen user interfaces, intermittent touch response, incorrect touch registration, external contamination, power problems, or display-control faults.
Step-by-Step Troubleshooting
1. Protect the Patient and Maintain Therapy
If the touchscreen or display becomes unreliable during an active infusion, transfer therapy to another verified pump when clinically appropriate. Do not attempt to operate a pump with an unreadable or misregistering control interface.
Expected outcome: Patient therapy continues on reliable equipment.
2. Confirm the Exact Display Failure
Determine whether the screen is completely blank, illuminated without content, frozen on one image, slow to respond, intermittently responsive, or registering touches in the wrong location.
Expected outcome: The failure pattern is clearly established.
3. Check Basic Power Status
Confirm whether the pump shows any signs of power such as indicators, sounds, or other expected activity. Connect the pump to a verified AC source if battery state is uncertain.
Expected outcome: Adequate power is available. If the screen returns with stable AC power and no further abnormality, continue verification before returning the device to service.
4. Inspect the Screen Surface
Check for fluid, gel, cleaning residue, adhesive, a damaged protective layer, cracks, impact marks, or foreign material that could interfere with touch detection.
Expected outcome: The screen surface is clean, dry, intact, and unobstructed. If cleaning resolves inaccurate touch response, verify repeatedly and stop.
5. Remove External Touch Interference
Ensure nothing is pressing against the display, including mounting hardware, tubing, labels, accessories, gloved items, or objects resting on the screen.
Expected outcome: The touchscreen responds only to deliberate input.
6. Check Environmental Conditions
Determine whether the device has been exposed to excessive moisture, recent cleaning solution, condensation, unusual heat, or cold.
Expected outcome: The pump is in a normal operating environment. A device showing liquid intrusion, condensation, or physical damage should be removed from service.
7. Perform a Normal Restart
With the pump disconnected from patient use, perform the normal shutdown and restart process. Do not use undocumented key combinations or service menus.
Expected outcome: The pump completes startup and the interface becomes responsive. If function remains stable through repeated checks, continue to final verification.
8. Evaluate Touch Accuracy Across the Screen
Test multiple normal user controls in different regions of the touchscreen without changing clinically significant configuration unnecessarily.
Expected outcome: Touches register consistently at the selected locations. Offset, missed, or phantom touches indicate an unsafe control-interface problem.
9. Check for Recurrent Freezing
Allow the pump to remain powered while navigating standard screens and loading a non-patient test setup.
Expected outcome: The display remains responsive without freezing or unexpected resets.
10. Compare With a Known-Good Device
If response seems unusually slow or inconsistent, compare normal interface behavior with another verified Ivenix pump of the same configuration.
Expected outcome: Device-specific abnormal behavior is confirmed or ruled out.
11. Perform Final Functional Verification
Confirm the screen is readable, touchscreen response is accurate, alarms and prompts are visible, and the pump can be safely programmed using normal controls.
Expected outcome: The user interface is consistently reliable. Any intermittent display or touch problem requires removal from service.
If the Problem Persists
External causes such as poor power, screen contamination, external pressure, environmental moisture, and temporary software lockup have been ruled out. Persistent symptoms may involve the display assembly, touchscreen digitizer, internal connections, control electronics, software, or service-level calibration.
Remove the device from service, label it Out of Service, and send it for repair or bench evaluation. Use appropriate Fresenius Kabi service documentation and approved test equipment. Internal repair or touchscreen calibration should be performed only by qualified personnel using authorized procedures.
Return to service only after the display, touchscreen, programming interface, and alarms have been fully verified.
Knowing when to stop external troubleshooting is proper troubleshooting.
Clinical Use Tip
A touchscreen that occasionally selects the wrong control is not acceptable for continued infusion use even if the display otherwise appears normal.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Nursing reported that the Ivenix touchscreen responded to selections several centimeters away from where staff touched."
Cause
What was observed during troubleshooting.
Example:
"Clinical Engineering found dried cleaning residue across the touchscreen surface causing inconsistent touch response."
Resolution
What action was taken.
Example:
"Cleaned the display using the approved method, verified accurate touch registration throughout the screen and normal pump operation, and returned the device to service."
Helpful Details to Include (If Known)
- Blank, frozen, offset, or intermittent symptom
- AC versus battery operation
- Screen illumination status
- Physical damage
- Fluid or cleaning residue
- Environmental exposure
- Restart result
- Areas of touchscreen affected
- Known-good comparison
- Whether freezing recurred
- Final interface verification
- Final device status
Final Thought
An infusion pump requires a reliable control interface. Rule out power, contamination, and environmental causes first, but remove the device from service whenever touch accuracy or display reliability remains uncertain.
That is successful troubleshooting.