Navien Boiler Error Error 016: Supply Thermistor Fault — Service in Greater Vancouver
When your Navien boiler shows error Error 016, the control board is communicating that the supply water temperature sensor reading is invalid. This diagnostic code helps our technicians identify the problem quickly and accurately. BC Wide Home Services Ltd, doing business as BC Wide Heating & Air Conditioning brings years of experience with Navien equipment and their proprietary error code system to every service call.
Diagnosing Navien Error Error 016
Professional diagnosis of error Error 016 involves several steps. Our technicians begin by retrieving the stored fault code from the control board's memory, then systematically test each potential cause. This includes measuring electrical values with multimeters, checking sensor resistance readings, verifying gas pressure, inspecting wiring harnesses for damage, and testing components individually. BC Wide Home Services Ltd, doing business as BC Wide Heating & Air Conditioning uses manufacturer-recommended diagnostic procedures for all Navien error codes.
How to Respond to Navien Error Error 016
When you see error Error 016 on your Navien system, start with these steps: Check that the power supply is on and stable. Verify the gas supply valve is open if applicable. A thermistor error requires professional diagnosis and sensor replacement. If the error persists or returns after resetting the system, professional diagnosis is recommended. Do not repeatedly reset the system without addressing the underlying cause, as this can lead to component damage or safety hazards.
Common Causes of Navien Error Error 016
Error Error 016 on Navien equipment can be caused by several factors. The most common causes include: failed thermistor, wiring damage, loose connection at sensor, control board fault. BC Wide Home Services Ltd, doing business as BC Wide Heating & Air Conditioning technicians systematically test each potential cause to identify the root issue efficiently. The specific cause in your situation will depend on your system's model, installation configuration, and operating history.
What Error Error 016 Means on Your Navien Boiler
Error Error 016 on Navien boiler systems indicates the supply water temperature sensor reading is invalid. This diagnostic code is generated by the system's control board when sensor readings or operating conditions fall outside the expected range. Navien equipment uses sophisticated diagnostics to help technicians pinpoint problems accurately. The error code is stored in the control board's memory and can be retrieved even after the system has been reset.
Preventing Navien Error Error 016 in the Future
Regular maintenance is the best way to prevent error Error 016 and other fault codes on your Navien system. Annual professional maintenance includes cleaning the flame sensor, inspecting wiring connections, checking gas pressure, verifying proper airflow, and testing all safety controls. BC Wide Home Services Ltd, doing business as BC Wide Heating & Air Conditioning offers comprehensive maintenance programs for Navien equipment. Well-maintained systems have fewer error codes and emergency service calls.
Safety Reminder
If you smell gas, suspect carbon monoxide or believe there is an immediate danger, leave the property and contact emergency services or the appropriate gas emergency authority. Do not remain inside — exit the building immediately and call for help from outside.