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Asset Type
Manufacturer
Model
HemoSphere Advanced Monitoring System
What This Guide Helps With
Troubleshooting HemoSphere touchscreen, battery, startup, boot, display, charging, or software lockup issues before repair escalation.
Step-by-Step Troubleshooting
Ensure Patient Safety First
Confirm the monitor is not being relied on for active hemodynamic decision-making before troubleshooting.
Action:
- If the HemoSphere monitor is connected to a patient, notify clinical staff before touching cables or power.
- If monitoring is unreliable, have staff move the patient to another approved monitoring method.
- Do not reboot or power-cycle the system during active patient monitoring unless clinical staff confirm it is safe.
- If values are frozen, missing, or questionable, treat the monitor as unreliable until verified.
Expected outcome: Patient monitoring is maintained safely without depending on a questionable system.
Why it matters: A frozen display, failed boot, bad battery, or software fault can interrupt invasive pressure or advanced hemodynamic monitoring.
Verify the Reported Problem
Confirm the exact failure mode before replacing parts or sending the unit out.
Action:
- Ask staff what happened:
- Touchscreen not responding
- Screen blank
- Unit will not power on
- Unit starts but freezes
- Battery not charging
- Battery drains quickly
- Software error or lockup
- Reboot loop
- Check whether the issue occurred on battery power, AC power, during startup, or during use.
- Note any displayed error messages or system prompts.
Expected outcome: The issue is identified as a touchscreen, power, battery, boot, or software behavior.
Why it matters: “Won’t work” can mean anything from a bad outlet to a locked touchscreen to an internal system fault.
Check External Power First
Verify the monitor has reliable AC power.
Action:
- Confirm the power cord is fully seated at the wall outlet and monitor power supply connection.
- Inspect the power cord for cuts, bent prongs, loose strain relief, or damage.
- Test the outlet with another device or outlet tester if available.
- Plug the HemoSphere monitor into a known-good hospital-grade outlet.
- Confirm any power supply indicator light is present, if applicable.
Expected outcome: The monitor powers on normally or shows signs of charging when connected to known-good AC power.
If the issue resolves, document the outlet or power cord issue and stop.
Why it matters: Boot and battery complaints are often caused by poor AC connection, damaged cords, or failed charging from the outlet side.
Inspect the Power Cord and External Power Supply
Check for obvious accessory-related power problems.
Action:
- Inspect the AC power cord and external power supply for physical damage.
- Look for signs of overheating, smell, cracked housing, fluid exposure, or loose connectors.
- Swap with a compatible known-good power cord or power supply only if approved by your facility and compatible with the device.
- Recheck startup and charging behavior.
Expected outcome: The unit powers and charges normally with a known-good power source.
If the issue follows the cord or power supply, remove the defective accessory from service and stop.
Why it matters: A defective external power supply can look like a battery failure or system boot failure.
Check Battery Seating and Charging Behavior
Evaluate whether the battery is installed, seated, and charging properly.
Action:
- Confirm the battery is present if the reported issue involves battery operation.
- Power the unit from AC and observe the battery/charging indicator.
- Leave the unit connected to AC long enough to see if charge status changes.
- If your department has a known-good compatible battery, test with it according to facility practice.
- Check for battery swelling, damaged contacts, heat, odor, or leakage.
Expected outcome: The monitor recognizes the battery and shows normal charging behavior.
If the battery is damaged, swollen, overheating, or not recognized, remove it from service and follow facility battery handling procedures.
Why it matters: Battery faults can cause unexpected shutdowns, short runtime, charging alarms, or failure to operate during transport.
Perform a Safe Power Cycle
Attempt a controlled restart only when it is safe to interrupt monitoring.
Action:
- Confirm the monitor is not in active patient use.
- Power the unit down normally if the touchscreen or controls allow it.
- Disconnect AC power.
- Allow the unit to fully shut down.
- Reconnect AC power and restart the monitor.
- Observe whether the system boots normally or returns to the same fault.
Expected outcome: Temporary software freeze clears and the system starts normally.
If the problem resolves, run a basic operational check before returning to service.
Why it matters: A locked interface or frozen system may clear with a controlled restart, but recurring lockups should not be ignored.
Check for Touchscreen Obstruction or Contamination
Inspect the touchscreen for simple physical causes.
Action:
- Look for fluid, gel, adhesive residue, cracked glass, or pressure against the screen.
- Remove any screen cover, label, or object pressing on the display.
- Clean the touchscreen using facility-approved cleaning methods.
- Dry the screen completely.
- Test touchscreen response across multiple areas of the display.
Expected outcome: Touch input responds normally after cleaning and removing obstructions.
If the issue resolves, document contamination or obstruction and stop.
Why it matters: Touchscreens can become unresponsive or erratic from residue, fluid, pressure, or damaged screen surfaces.
Check for Physical Damage or Fluid Intrusion
Look for evidence that the monitor should not be returned to service.
Action:
- Inspect the display, housing, ports, battery area, and connectors.
- Look for cracks, impact marks, missing covers, bent pins, residue, dried fluids, or corrosion.
- Check for unusual heat, smell, buzzing, clicking, or fan noise.
- Do not continue testing if there are signs of electrical damage or fluid intrusion.
Expected outcome: The monitor is either physically safe to continue checking or removed from service.
Why it matters: Fluid or impact damage can cause intermittent boot issues, touchscreen failure, power faults, and safety hazards.
Disconnect Nonessential Accessories and Modules
Determine whether an attached module, cable, or accessory is affecting startup.
Action:
- Remove patient cables and nonessential accessories.
- Disconnect external communication cables if not needed for the power-on test.
- Leave only the required power connection.
- Restart the monitor.
- Reconnect accessories one at a time if the unit boots normally.
Expected outcome: The monitor boots normally with accessories removed, or the same fault remains.
If the issue appears only when a specific accessory is connected, remove that accessory from service and test with a known-good replacement.
Why it matters: A failed cable, module, or connected accessory may cause startup errors, communication faults, or system instability.
Check Startup Sequence and Error Behavior
Observe exactly where the boot process fails.
Action:
- Power the unit on from known-good AC power.
- Watch for:
- No power or no display
- Logo appears then freezes
- Reboot loop
- Error message during startup
- Touchscreen inactive after boot
- System loads but locks up
- Record the exact message, screen, and timing.
Expected outcome: The failure point is clearly documented for repair evaluation.
Why it matters: “No boot” and “freezes after loading” point to different causes and require different repair paths.
Check Date, Time, Network, and Configuration Symptoms
For software or communication-related complaints, verify the issue is not configuration-related.
Action:
- Confirm the system date and time are reasonable.
- Check whether the issue started after a move, network change, software update, or configuration change.
- Confirm network or EMR/export issues are not being mistaken for a system software failure.
- If the monitor works normally offline but fails when connected to the network, escalate through Clinical Engineering and IT workflow.
Expected outcome: Configuration or network-related symptoms are separated from true monitor boot/software failure.
Why it matters: Some “software issue” reports are actually network, destination, configuration, or interface problems.
Run a Basic Functional Check After Recovery
If the unit starts normally, verify basic operation before returning it to service.
Action:
- Confirm the display is stable and readable.
- Confirm the touchscreen responds consistently.
- Confirm AC power and battery status display correctly.
- Confirm installed modules or cables are detected.
- Check for active system alarms or error messages.
- Verify the monitor can remain powered on without freezing during observation.
Expected outcome: The monitor operates normally without recurring fault behavior.
If the issue does not return and the unit passes basic checks, return it to service per department policy.
Why it matters: A reboot alone is not enough. The monitor must demonstrate stable operation before patient use.
If the Problem Persists
If the touchscreen remains unresponsive, the battery is not recognized, the monitor will not charge, the system fails to boot, or software lockups return after basic external checks, common external causes have been ruled out.
The device must be removed from service, labeled Out of Service, and sent for repair or bench evaluation.
Do not continue repeated resets on a patient-care monitor with recurring boot, battery, touchscreen, or software faults. Knowing when to stop is proper troubleshooting.
Clinical Use Tip
Do not troubleshoot a HemoSphere monitor during active patient use unless clinical staff confirm it is safe. If hemodynamic monitoring is needed, move the patient to another monitor or alternate approved monitoring method first. A frozen or unstable monitor should not be trusted for clinical decision-making. Maintain therapy and monitoring continuity before troubleshooting.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Staff reported the Edwards HemoSphere monitor would freeze during startup and the touchscreen would not respond after boot."
Cause
What was observed during troubleshooting.
Example:
"Verified known-good AC power and power cord; battery was recognized, but the system repeatedly locked up during startup with accessories removed."
Resolution
What action was taken.
Example:
"Removed HemoSphere monitor from service, labeled Out of Service, documented startup behavior, and sent for bench evaluation/repair."
Helpful Details to Include (If Known)
- Whether the issue occurred on AC power, battery power, or both
- Outlet tested
- Power cord or power supply swapped
- Battery recognized or not recognized
- Charging indicator behavior
- Battery runtime concern
- Touchscreen response pattern
- Screen blank, frozen, dim, or damaged
- Exact startup screen or error message
- Whether accessories/modules were removed
- Whether issue occurred after cleaning, transport, software update, or network change
- Unusual heat, smell, sound, or fluid exposure
- Alarm behavior
- Indicator lights
- Environmental factors
- Final device status
Final Thought
HemoSphere touchscreen, battery, boot, and software issues should be handled with a safety-first mindset. Start with power, battery, accessories, and visible damage before assuming internal failure. If the monitor remains unstable after external causes are ruled out, remove it from service and document the failure clearly so repair can act quickly.
That is successful troubleshooting.