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Error code reference
Bradford White Water Heater Error Code 4 flashes (red)
Gas Control V2: Temperature cut-out limit reached, causing shutdown.
SourceBradford White DV Series Direct Vent Water Heaters - Service Manualp. 8
Diagnostic procedure
The full 4 flashes (red) procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check the valves and water temperature sensor. Reduce the water temperature setpoint. Verify control operation, replace if exceeding setpoint.
SourceBradford White DV Series Direct Vent Water Heaters - Service Manualp. 8
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
1 manual in the MyPros+ library documents this code for Bradford White water heater.
Models covered by the manuals that document this code
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