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Rinnai tankless error codes

Here the common error codes for Rinnai Tankless Water Heaters along with their meanings:

  • Error Code 10: This code indicates a problem with the combustion air supply. It could be caused by an obstructed vent or flue, a dirty air filter, or a damaged combustion air fan.

  • Error Code 11: This code indicates a problem with the ignition or gas supply. It could be caused by a gas valve issue, a damaged igniter, or a blocked gas line.

  • Error Code 12: This code indicates a problem with the flame sensor. It could be caused by a dirty or damaged sensor or a malfunctioning PCB.

  • Error Code 14: This code indicates a problem with the thermal fuse. It could be caused by a malfunctioning fuse or a blockage in the exhaust venting system.

  • Error Code 16: This code indicates a problem with the overheat cutoff fuse. It could be caused by a malfunctioning fuse or a blockage in the exhaust venting system.

  • Error Code 18: This code indicates a problem with the PCB. It could be caused by a malfunctioning PCB or a loose connection.

  • Error Code 19: This code indicates a problem with the gas burner. It could be caused by a dirty or damaged burner or a gas supply issue.

  • Error Code 25: This code indicates a problem with the inlet water temperature sensor. It could be caused by a damaged or disconnected sensor or a malfunctioning PCB.

  • Error Code 29: This code indicates a problem with the outlet water temperature sensor. It could be caused by a damaged or disconnected sensor or a malfunctioning PCB.

  • Error Code 31: This code indicates a problem with the air flow or venting. It could be caused by an obstruction in the venting system or a blocked exhaust pipe.

If you live in Bald Head Island, Carolina Shores, Northwest, Southport, Belville, Caswell Beach, Oak Island, St. James, Boiling Spring Lakes, Holden Beach, Ocean Isle Beach, Sunset Beach, Bolivia, Leland, Sandy Creek, Varnamtown, Calabash, Navassa, Shallotte, or the surrounding areas, you can contact Avery & Sons Plumbing + Tankless for assistance with your Rinnai Tankless Water Heater. Their licensed professionals can diagnose and fix any error codes or issues you may be experiencing

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