Healthcare Ranger Pressure Infusor

1. Make sure the patient is safe — swap in a backup unit if you need to.
2. Reproduce the complaint yourself and write down exactly what you see (screen, alarm, code).
3. Check power, battery, cables, accessories, and settings before ordering parts.
4. Then open the service manual above and follow its troubleshooting section.

Occlusion source ↗

• Check for closed clamps/stopcocks, kinks, IV site patency
• Check pump height vs patient (LVP)

Air-in-line source ↗

• Look for small bubbles; disconnect and re-prime

Door/cassette/syringe loading source ↗

• Close door with set seated; check syringe clamp, flange and plunger holders

Battery/AC source ↗

• Run on AC; replace/maintain battery; battery service alarms → repair

Device/system error source ↗

• Power cycle once; if it repeats remove from service