Diagnostics and Specific Fault Finding
Gas Heating diagnostics and fault finding
TQ DGH - FC50 MagIQtouch controller communication loss Fault code history can be accessed: SETTINGS/SERVICE/GAS HEATER 01/7378 CONT/FAULT LOG YouTu...
Wed, 15 May, 2024 at 2:32 PM
TQ / TH / TG - Gas valve 1 & 2 stage confirming / testing operation
Tue, 5 Sep, 2023 at 2:14 PM
TQ TQM FC51 Micro 2 Error Found - Error Code: (51) Micro 2 Error Found Description: The ICS (Integrated Control System) has detected an error on ...
Wed, 11 Jun, 2025 at 12:41 PM
TQ DGH FC4, FC5, FC9, FC15, FC16 - Thermistor testing and related faults TQ Thermistor & Bracket Pt# 651912 TQMD Thermistor & Lead Pt# 647067...
Fri, 13 Jun, 2025 at 2:06 PM
TQ DGH FC33, FC34 - FC33 ICS internal heat enable signal error, FC34 Gas valve on off signal incorrect
Fri, 24 May, 2024 at 2:04 PM
TG / TH - Measured output voltage to motor is less than 240 Volts - FC4 Thermistor > 70 deg C during run, FC10 HX OT1 opened, FC19 HX OT2 opened TH/T...
Fri, 13 Jun, 2025 at 2:10 PM
TG / TH FC10 HX OT1 open - airflow restriction Click here to view YouTube video Spectrolink SCC accessing and clearing fault code history ...
Tue, 19 Aug, 2025 at 9:01 AM
THM DGH Fault Code Diagnostics Click here to view YouTube video Spectrolink SCC accessing and clearing fault code history
Tue, 19 Aug, 2025 at 9:21 AM
TQ DGH FC1, FC2, FC3 - FC1 PS low closed at start, FC2 PS low failed to close, FC3 PS low opened during run Fault code history can be accessed: SETTING...
Wed, 15 May, 2024 at 2:20 PM
TQ DGH FC10, FC19 - FC10 HX OT1 Open and FC19 HX OT2 Open - Over-temperature switch identification Fault code history can be accessed: SETTINGS/SERVICE...
Wed, 21 May, 2025 at 2:51 PM