Patient warming units troubleshooting: models and common symptoms

2 patient warming units with troubleshooting records in ServiceForge. Each model page lists every documented symptom with its ranked causes and first check.

Models

• 3M 875 41 symptoms
• 3M Bair Hugger 505 42 symptoms

Common symptoms

• Calibration: Over Heat Alarm Bair Hugger 505, Bair Hugger 505, Bair Hugger 505
• Calibration: Normal Operating Temperature Bair Hugger 505, Bair Hugger 505
• Calibration: Operating temperatures 875, 875
• Calibration: Over heat alarm thermostat Bair Hugger 505, Bair Hugger 505
• Unit alarms upon startup Bair Hugger 505, Bair Hugger 505
• Unit circulates air but does not heat Bair Hugger 505, Bair Hugger 505
• Unit does not power on Bair Hugger 505, Bair Hugger 505
• Unit does not turn on Bair Hugger 505, Bair Hugger 505

ServiceForge knowledge base record. Field-unverified unless technicians confirmed it. A teaching summary of the record, not a service manual.