On this page
Asset Type
Manufacturer
Model
What This Guide Helps With
This guide assists Clinical Engineering in troubleshooting situations where the CARESCAPE R860 touchscreen becomes unresponsive or “freezes.” Symptoms may include the inability to change settings, alarms not acknowledged, or the display not responding to touch input. Most touchscreen freezes are caused by external factors such as power fluctuations, loose connections, or software glitches, rather than internal hardware failure.
Step-by-Step Troubleshooting
Ensure Patient Safety First
- Move the patient to an alternate ventilator or confirm the patient is stable on backup support before interacting with the frozen device.
Why: Touchscreen troubleshooting should never compromise patient ventilation.
Check Power Supply
- Verify the ventilator is plugged into a working outlet or battery.
- Test the outlet with another device to confirm proper voltage.
Why: Inconsistent power can cause the touchscreen or system to freeze.
Inspect Touchscreen and Connections
- Ensure no visible damage to the touchscreen, no debris, or moisture on the display.
- Confirm all cables and connectors, especially internal ribbon connectors if accessible without opening the device, are secure.
Why: Loose connections can cause erratic touch behavior.
Soft Reboot
- If safe, perform a controlled reboot using the ventilator’s interface (e.g., settings menu).
- If the touchscreen is unresponsive, unplug the ventilator from mains power for at least 30 seconds and reconnect.
Why: Software glitches often resolve after a reboot.
Check Software Version
- Record current software version from the system information screen.
- Compare with the latest manufacturer-recommended version.
Why: Outdated software can lead to touchscreen responsiveness issues.
Remove External Interferences
- Ensure no strong electromagnetic devices are nearby (e.g., mobile phones, monitors).
Why: EMI can temporarily affect touchscreen responsiveness.
If the Problem Persists
Common external causes have been ruled out; the issue is likely internal (touchscreen digitizer or system board).
Action:
- Remove ventilator from service.
- Label “Out of Service.”
- Send for bench evaluation or manufacturer repair.
Note: Knowing when to escalate avoids unnecessary patient risk and improper internal repair attempts.
Clinical Use Tip
- Never attempt touchscreen troubleshooting while the patient is actively ventilated.
- Always have a backup ventilator ready.
- Document patient safety checks and any manual adjustments made during troubleshooting.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
“Touchscreen frozen; unable to adjust ventilator settings.”
Cause
What was observed during troubleshooting.
Example:
Verified power supply and connections; touchscreen remains unresponsive after soft reboot; software version current.
Resolution
What action was taken.
Example:
Ventilator removed from service, labeled Out of Service, and sent for manufacturer evaluation.
Helpful Details to Include
- Outlet tested with a known working device
- Power cable and connectors inspected
- Reboot performed
- Software version noted
- Device removed from service
- Patient safely transferred to another ventilator
Final Thought
Patient safety is the top priority. Troubleshooting should progress logically from simple checks to controlled escalation. Documenting the process with CCR ensures proper follow-up and compliance. Escalating at the right time prevents unnecessary risk and facilitates timely repair.
That is successful troubleshooting.