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Error code reference
Bradford White Water Heater Error Code 1 flash every 4 seconds
Stand-by mode, waiting for call for heat (no fault); temperature demand is satisfied.
SourceBradford White UPV Series - Service Manual: Gas Water Heatersp. 14
Diagnostic procedure
The full 1 flash every 4 seconds 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
Normal operation. Adjust thermostat to desired temperature level if needed.
SourceBradford White UPV Series - Service Manual: Gas Water Heatersp. 14
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
2 manuals in the MyPros+ library document this code for Bradford White water heater.
Models covered by the manuals that document this code
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