ManualsEfficia CM Series
Philips Healthcare · Patient Monitors
Open your document
Open ↗
Philips Efficia CM Series Patient Monitors Instructions for Use (Masimo, Rel. 4.0)
Stuck? Start here
✅ Check the simple stuff first
- Make sure the patient is safe — swap in a backup unit if you need to.
- Reproduce the complaint yourself and write down exactly what you see (screen, alarm, code).
- Check power, battery, cables, accessories, and settings before ordering parts.
- Then open the service manual above and follow its troubleshooting section.
🛠️ Common faults for Efficia CM Series (4)
Masimo SpO2 no values or searching (Masimo-equipped) source ↗
- Wait 30 s; reconnect; replace or relocate the sensor
Low SIQ or PI messages source ↗
- Reposition the sensor; choose a better-perfused site
RRa interference source ↗
- Reduce ambient or high-intensity light; verify the line frequency setting
SpO2/SpCO values doubtful source ↗
- Raised COHb raises SpO2; MetHb pushes it toward the low-mid 80s: confirm with lab CO-oximetry
🔢 Efficia CM Series error codes (7)
| Code | Meaning | Next step |
|---|---|---|
| PulseOx Sensor Initializing | Sensor self-check | If no values within 30 s, reconnect, then replace the sensor source ↗ |
| PulseOx Searching | No pulse found | After 30 s, reconnect; move to a better-perfused site source ↗ |
| PulseOx Demo Mode | Demo sensor connected | Fit a patient sensor source ↗ |
| Low SpO2 / Pulse / SpHb / SpCO / SpOC SIQ | Low signal quality | Check sensor placement source ↗ |
| Low PI Confidence; Low SpHb/SpCO/SpOC PI | Low perfusion | Move to a better-perfused site source ↗ |
| Low RRa SIQ | Low RRa signal | Check sensor placement source ↗ |
| RRa Interference Detected | Strong ambient light or wrong line-frequency setting | Shield the sensor; set the correct line frequency source ↗ |
🧰 Common checks for Patient Monitors (1)
Leads off / no signal (telemetry) source ↗
- Re-attach ECG leads
- Confirm transmitter is in coverage and batteries are good
📞 Still stuck? Call Philips Healthcare
Contact Philips Healthcare US
- 📞 Tech support
- 1-800-722-9377
- 🛠️ Service
- 1-800-722-9377, option 4 then 3 (parts ordering)
Professional Healthcare Product Support incl. on-site maintenance and parts. Canada 1-800-567-1080.
Missing a manual, code, or fix for this model? Tell us.