TG, TH DGH FC19 resetting and checking for FC10's in Spectrolink fault code history


Click here to view YouTube video Spectrolink SCC accessing and clearing fault code history



  • FC10 - TG / TH FC10 HX OT1 open - airflow restriction
  • FC19 - TG / TH HX OT2 open at start - heater has tried to start with OT2 open which can be a result of poor airflow 


When FC19 is observed it's important to check fault code history on Spectrolink to establish if FC10's are also present. 

If FC10's are also present, to prevent ongoing issues investigate and resolve issues relating to FC10's (poor airflow and airflow restrictions).

IMPORTANT!!! FC19 can only be reset by following the below method using a Spectrolink SCC controller



TG, TH DGH resetting FC19 using a Spectrolink controller 


Click here to view YouTube video on resetting FC19 using a Spectrolink SCC controller


FC19 - TG / TH HX OT2 open at start - heater has tried to start with OT2 open





TG / TH FC10 HX OT1 open - airflow restriction 


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Click to view YouTube video on how to Check the duct air / thermistor temperature using a Spectrolink SCC controller


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LOCKOUT 2 can only be reset using a Spectrolink SCC controller