On this page
Asset Type
Manufacturer
Model
What This Guide Helps With
Troubleshoots incorrect V60 date, time, event-log timestamps, or service-history information caused by settings, synchronization, configuration, or persistent clock-data problems.
Step-by-Step Troubleshooting
1. Protect the Patient and Preserve Relevant Records
Do not interrupt active ventilation simply to investigate date, time, or historical record discrepancies. If the issue does not affect therapy or alarms, wait until the ventilator is available for technical evaluation.
If the timing discrepancy is associated with another reported clinical event, preserve the available log information before making corrections.
Expected outcome: Patient therapy remains uninterrupted, and potentially important event information is preserved for review.
2. Confirm What Information Is Actually Incorrect
Determine whether the problem affects:
- Current displayed date or time
- Event-log timestamps
- Service-history entries
- All recorded times or only selected entries
Compare the displayed information with an authoritative facility time source.
Expected outcome: The discrepancy is clearly defined instead of treating all historical information as a single clock problem.
3. Determine Whether the Error Is Current or Historical
Check whether the present clock is wrong or whether only older records appear incorrect. Ask whether the ventilator recently experienced prolonged power removal, software servicing, configuration work, storage, or other maintenance that could explain a discontinuity.
Do not alter historical data simply to make entries appear consistent.
Expected outcome: Clinical Engineering determines whether the issue is an active clock problem, a historical record discrepancy, or both.
4. Verify Authorized Date and Time Settings
Using only normal or authorized service procedures, confirm that the current date and time settings are correct.
Do not enter undocumented service modes or change unrelated system configuration.
Expected outcome: The V60 displays the correct current date and time. If correcting an authorized setting resolves the problem and the clock remains accurate, continue to verification.
5. Check for a Repeating Time Reset
After setting or verifying the correct time, perform a controlled power cycle while the ventilator is off-patient. Recheck the clock after startup.
If practical, allow the device to remain powered off for an appropriate observation period before checking again.
Expected outcome: The correct date and time are retained through normal power cycling. If they reset or drift again, further service-level evaluation is required.
6. Compare New Event Entries With Current Time
Generate only a safe, nonclinical event appropriate for bench testing, then review the resulting timestamp using authorized log-viewing procedures.
Do not generate unnecessary alarm conditions on a patient-connected ventilator.
Expected outcome: Newly generated log entries correspond with the current device clock. If new timestamps are accurate, older incorrect entries may represent historical data rather than an active clock failure.
7. Review Recent Service or Configuration Activity
Determine whether software work, component replacement, configuration restoration, or service activity occurred before the discrepancy began. Compare available maintenance records with the device history.
Do not overwrite service-history data simply because it appears inconsistent.
Expected outcome: Any relationship between recent service activity and the incorrect history is identified and documented.
8. Perform Final Verification
Confirm the displayed date and time, power-cycle retention, appropriate new event timestamps, normal startup, alarms, controls, and ventilation functionality.
Preserve documentation of any historical timestamp discrepancy that cannot legitimately be corrected.
Expected outcome: Current clock operation and newly created event information are accurate and stable. If required functional testing also passes, the device may be returned to service.
If the Problem Persists
If authorized date and time settings are correct but the V60 repeatedly loses time, resets its clock, creates incorrect new timestamps, or shows unexplained service-history corruption, common external and configuration causes have been ruled out.
Remaining categories may include clock-retention hardware, stored configuration data, software, internal memory, or other service-level conditions.
The ventilator should be:
- Removed from service when reliable records cannot be maintained or when the condition accompanies other abnormal operation
- Labeled Out of Service when further repair is required
- Sent for repair or bench evaluation
- Evaluated using appropriate Philips service documentation and approved test equipment
- Repaired or configured only by qualified personnel
After correction, verify clock retention, log timestamps, normal startup, alarms, and ventilation functionality before return to service.
Knowing when to stop external troubleshooting and escalate is proper troubleshooting.
Clinical Use Tip
When reviewing a ventilator event associated with patient care, verify the device clock before correlating log timestamps with the medical record or central monitoring data.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"Respiratory Therapy reported that event-log timestamps on the Philips V60 were several hours different from the facility time."
Cause
What was observed during troubleshooting.
Example:
"Clinical Engineering found the ventilator's current clock setting was incorrect while the device otherwise operated normally."
Resolution
What action was taken.
Example:
"Corrected the authorized date and time setting, verified retention through a controlled restart, confirmed new event timestamps were accurate, and completed functional testing."
Helpful Details to Include (If Known)
- Current displayed date and time
- Facility reference time used for comparison
- Amount and direction of the discrepancy
- Whether current or historical records are affected
- Whether time is retained after power cycling
- Recent software or service activity
- Recent configuration changes
- New event timestamp verification
- Any historical records preserved
- Final functional and alarm test results
- Final device status
Final Thought
Incorrect timestamps should be investigated without disturbing active therapy or altering historical evidence unnecessarily. Verify the current clock, distinguish current faults from historical discrepancies, confirm retention, and escalate persistent data problems appropriately. Accurate CCR documentation is especially important when service records or clinical events are involved.
That is successful troubleshooting.