Troubleshooting tips in RED should be done by your local professionals at Texas Water Heaters.
All of our technicians are licensed and insured
Our Texas master plumbing license number is M11171
We feature Rinnai® Navien, and Rheem water heaters
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Save TodayAir Supply or Exhaust Blockage
No Ignition (Heating Not Turning On)
Flame Failure - No Flame
Thermal Fuse has Activated
Over Temperature Warning (Safety Shutdown Because Unit is Too Hot)
Burner Sensor Error
Combustion Air Temperature Sensor Fault
High Exhaust Gas Temperature
Secondary Heat Exchanger Sensor
Recirculation Low Flow Circulation Flow Rate dropped below 1.3 GPM
Water Flow Control Fault
Flame Sensing Device Fault
Scale Build-up in Heat Exchanger (when checking maintenance code history, “00” is substituted for “LC”)
NOTE: The LC code is the only error code that will allow the unit to keep running. The display will alternate between the LC code and the temperature setting. The controller will continue to beep. The LC code will reset if power is turned off and then on.
(SS) Service Soon (Flush Heat Exchanger)
Maintenance Has Been Performed
Maintenance Has Been Performed