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Error code reference
Bradford White Water Heater Error Code 1 short flash per second
Weak pilot signal detected on last call for heat.
SourceBradford White PDV Series - Service Manual: Power Direct Vent Gas Water Heatersp. 14
Diagnostic procedure
The full 1 short flash per second 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
Inspect pilot assembly per Service Procedure II (page 17): check for unstable pilot, blocked/restricted pilot tube, oxidation on pilot electrode, or wire damage.
SourceBradford White PDV Series - Service Manual: Power Direct Vent 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
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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