ManualsMAC 1100 1200 and 1200ST
GE HealthCare · ECG
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GE MAC 1200 and 1200ST Service Manual
GE Marquette Mac 1100 and 1200 Service Manual
Marguette Mac 1200 Service Manual
Marquette Mac 1100 and 1200 Service Manual
GE MAC 1200 Operators Guide
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 checks for ECG (2)
Leads off / bad waveform source ↗
- Swap patient cable, then harness, then ECG board
Power/battery source ↗
- Check AC fuses; fewer than 10 reports per charge = replace battery
📞 Still stuck? Call GE HealthCare
Contact GE HealthCare US
- 📞 Tech support
- 1-800-437-1171, option 1
- 🛠️ Service
- 1-800-437-1171, option 2 (service parts, quotes, returns)
- 🕘 Hours
- PCS diagnostic cardiology remote tech support 8am-5pm M-F
- 🌐 Portal
- Support portal ↗
- 🔩 Parts
- Order parts ↗
Also on https://www.gehealthcare.com/en-us/about/contact-us (Service Assistance US opt 1).
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