Cosy II
Drägerwerk · Anesthesia
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Drager Cosy II Field Service Procedure APL Valve Crater Replacement
Drager Cosy II Field Service Procedure Cleaning of COSY II APL Valve
Drager Cosy II Field Service Procedure Installation of Breathing Bag Extension
Drager Cosy II Field Service Procedure Installation of Noise Reduction Kit
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.
📞 Still stuck? Call Drägerwerk
Contact Drägerwerk US
- 📞 Tech support
- 1-800-437-2437 (follow prompts for Technical Support)
- 🕘 Hours
- M-F 8am-6pm ET; 24/7 emergency technical assistance
Missing a manual, code, or fix for this model? Tell us.