Here are the common error codes for Navien Tankless Water Heaters along with their meanings:
Error Code 001: This code indicates that there is a problem with the ignition. It may be due to a gas supply issue or a malfunctioning igniter.
Error Code 002: This code indicates that there is a problem with the gas supply. It could be caused by low gas pressure or a blocked gas line.
Error Code 003: This code indicates that there is a problem with the ignition due to a gas valve error.
Error Code 004: This code indicates that the unit has detected a flow sensor issue. It could be caused by a clogged or damaged flow sensor or a malfunctioning printed circuit board (PCB).
Error Code 006: This code indicates that there is a problem with the exhaust system. It could be caused by an obstruction in the venting system or a blocked exhaust pipe.
Error Code 007: This code indicates that there is a problem with the circulation pump. It could be caused by a malfunctioning pump or a blocked circulation line.
Error Code 008: This code indicates that there is a problem with the inlet water temperature sensor. It could be caused by a damaged or disconnected sensor or a malfunctioning PCB.
Error Code 010: This code indicates that there is a problem with the exhaust temperature sensor. It could be caused by a damaged or disconnected sensor or a malfunctioning PCB.
Error Code 012: This code indicates that there is a problem with the flame sensor. It could be caused by a dirty or damaged sensor or a malfunctioning PCB.
Error Code 016: This code indicates that there is a problem with the PCB. It could be caused by a damaged or malfunctioning PCB or a loose connection.
If you encounter any of these error codes, it is recommended to contact a licensed professional to diagnose and fix the problem. Trying to fix the issue on your own could lead to further damage or injury.
Avery & Sons Plumbing + Tankless is licensed, insured and qualified to handle any tankless hot water issue you have in the following Brunswick county towns 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
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