Model reference

Bradford White RG1D30T(N,X)

Water Heater

1 document17 error codes

Available documentation

Service Manual

Residential D Series Gas Water Heaters SERVICE MANUAL Troubleshooting Guide and Instructions for Service40 pg
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0 on my Bradford White RG1D30T(N,X)

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No electrical power to the gas control;

From Service Manual 946247, p.19:

1.Access service mode to confirm the active fault code and read stored error history.

2.Measure control board supply voltage at test points. Expected: 12 VDC and 5 VDC.

3.Inspect all connectors on the main control for corrosion or backed-out pins.

Part WPW10804018

Electronic control board

Error codes (17)

CodeMeaning

0No electrical power to the gas control; control LED is not on or flashing.1 short flash every 4 secondsStand-by mode, waiting for call for heat, no fault 1 short flash once per secondWeak pilot signal detected on last call for heat.2 flashDamper test circuit not working; damper not in proper position or…3 flashDamper test circuit not working; damper not reaching full open position or…4 flashExcessive tank temperature detected; ECO limit exceeded 5 flashUndesired/false pilot flame present; pilot valve stuck in open position.6-1 flashFailed to light pilot; system auto resets after 5 minutes.6-2 flashDamper test circuit not working properly during burner operation; damper moved…6-3 flashPilot flame extinguished during operation; system auto resets.6-4 flashUndesired/false pilot flame sensed out of sequence; pilot valve stuck in open…7 flashFlammable vapor sensor or resettable thermal switch fault detected.8-1 flashFlammable vapor sensor out of specification.8-2 flashTemperature sensor fault; damage to temperature sensor wire or resistance out…8-3 flashGas control electronics fault detected; control may need reset or is…8-4 flashGas valve fault detected; control may need reset or is wet/physically damaged.Heartbeat alternates bright/dimThermostat calling for heat, no fault

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