Model reference

Bradford White RG2PDV50H(N,X)

Water Heater

1 document17 error codes

Available documentation

Service Manual

PDV Series Power Direct Vent Gas Water Heaters Service Manual40 pg
Covers this model

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1 short flash every 4 seconds on my Bradford White RG2PDV50H(N,X)

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Stand-by mode, waiting for call for

From Service Manual 740064, p.36:

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

2.Disconnect the sensor and measure resistance. Expected: 10 kΩ to 12 kΩ at 77°F (25°C).

3.Check the sensor harness for opens. A reading outside 5 kΩ to 50 kΩ indicates a failed sensor.

Part WP8577274

Temperature thermistor

Error codes (17)

CodeMeaning

1 short flash every 4 secondsStand-by mode, waiting for call for heat (no fault)1 short flash per secondWeak pilot signal detected on last call for heat.2 flashPressure switch not working 3 flashPressure switch or blower temperature switch not working 4 flashExcessive tank temperature detected 5 flashUndesired/false pilot flame sensed when pilot valve is not open.6-1 flashFailed to light pilot 6-2 flashPressure switch or blower temperature switch opened during burner operation 6-3 flashPilot flame extinguished during operation 6-4 flashUndesired/false pilot flame sensed out of sequence 7 flashFlammable vapor sensor fault detected 8-1 flashFlammable vapor sensor out of specification 8-2 flashTemperature sensor fault 8-3 flashGas valve electronics fault detected 8-4 flashGas valve fault detected Heartbeat (alternates bright/dim)Thermostat calling for heat (no fault)No LEDNo electrical power to the gas control

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