Thermometers troubleshooting: models and common symptoms

3 thermometers with troubleshooting records in ServiceForge. Each model page lists every documented symptom with its ranked causes and first check.

Models

• Welch Allyn SureTemp 678 20 symptoms
• Welch Allyn SureTemp 767 25 symptoms
• Welch Allyn SureTemp Plus 12 symptoms

Common symptoms

• Display problems SureTemp 678, SureTemp 767
• Monitor mode temperature reading too high SureTemp 678, SureTemp 767
• Monitor mode temperature reading too low SureTemp 678, SureTemp 767
• Normal mode temperature reading too low SureTemp 678, SureTemp 767
• Normal/Monitor mode switching problems SureTemp 678, SureTemp 767
• Unit does not power on SureTemp 678, SureTemp 767

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