Rheem PowerVent water heater · exact signal

Rheem PowerVent water heater display 13 and six-three flashes: meaning and exact next steps

display 13 and six-three flashes means Recycle limit: flame lost. This answer applies only to Rheem PowerVent ESII gas water heaters with the Honeywell electronic control, per Rheem Technical Service Bulletin 1627. The gas valve status light flashes a count with a three-second pause, and the electronic control also shows a two-digit display code. Other Rheem water heaters use other controls.

On the covered Rheem PowerVent water heater, display 13 and six-three flashes means recycle limit: flame lost. First, check that gas is on to the water heater. Then: Rheem's bulletin lists this as a recycle limit condition where the flame was lost. Flame and gas control work belongs to a technician.

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  1. What to do first

    Reversible

    Check that gas is on to the water heater.

  2. Correct only the documented fault domain

    Reversible

    Rheem's bulletin lists this as a recycle limit condition where the flame was lost. Flame and gas control work belongs to a technician.

  3. Check the pilot path

    Reversible

    Six flashes then three means the flame was lost and the heater hit its recycle limit. Causes include a restricted pilot tube, low gas pressure, carbon on the spark electrode and a blocked combustion air port. Clean the electrode and pilot hood and check the tube for obstruction.

  4. Check the venting

    Reversible

    A vent run that is long, 30 feet or more, can be too restrictive for the fan to clear the exhaust.

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Common questions about “Rheem PowerVent water heater display 13 and six-three flashes”

What does display 13 and six-three flashes mean on a Rheem PowerVent water heater?+

Recycle limit: flame lost.

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