F10 🟡 Repair Required
Bradford White Error Code F10: Thermistor Short
⚠️ The water heater has shut down due to a potential sensor issue. You will likely have no hot water. Professional service is recommended.
How to Fix Bradford White Code F10
- Step 1: Turn the water heater off and back on again. This might reset the control and clear a temporary error. Wait a few minutes to see if the error returns.
- Step 2: Check the wiring around the water heater for any obvious damage or loose connections. Do not open the unit. Look for anything visibly disconnected.
- Step 3: If the error persists after resetting, contact a qualified HVAC technician to diagnose and repair the issue.
What Does Bradford White Error Code F10 Mean?
The F10 error code on your Bradford White tankless water heater indicates a short circuit in one of the thermistors. A thermistor is a type of resistor that changes its resistance with temperature. Your water heater uses thermistors to monitor the water temperature at various points in the system to ensure safe and efficient operation. When the control board detects a short, it shuts down the unit to prevent potential damage or overheating. This isn't necessarily dangerous in the short term, but it does mean your water heater won't operate until the problem is resolved.
Common Causes of Bradford White Code F10
- Failed thermistor (most common)
- Wiring harness damage or loose connection to the thermistor
- Moisture intrusion into the thermistor or wiring
- Control board failure
Applicable Bradford White Models
Need a Pro to Fix Bradford White Code F10?
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Find a Licensed Tech Near You →Replacement Parts for Bradford White HVAC System Code F10
Thermistor
Wiring Harness
Control Board