Diagnostics and Specific Fault Finding

Gas Heating diagnostics and fault finding

TQ DGH - FC13, FC14 - FC13 PS high failed to close, FC14 PS high opened during run
TQ DGH - FC13, FC14 - FC13 PS high failed to close, FC14 PS high opened during run FC13 Pressure Switch high failed to close,  FC14 Pressure Switch hig...
Wed, 18 Jun, 2025 at 10:11 AM
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
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
TQ DGH - FAULT RESET Button Location on ICS PCB - next to gas valve plug (yellow black and orange wires)
TQ DGH - FAULT RESET Button Location on ICS PCB - next to gas valve plug (yellow black and orange wires) Fault code history can be accessed: SETT...
Wed, 15 May, 2024 at 2:31 PM
TQ DGH FC4, FC5, FC9, FC15, FC16 - Thermistor testing and related faults
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
THM DGH Fault Code Diagnostics
THM DGH Fault Code Diagnostics Click here to view YouTube video Spectrolink SCC accessing and clearing fault code history
Tue, 24 Oct, 2023 at 4:20 PM
TG, TH DGH FC7 & FC11 - Flame signal strength test FC+ and FC- 1.5VDC and above is good
TG, TH DGH FC7 & FC11 - Flame signal strength test FC+ and FC- 1.5VDC and above is good Click here to view YouTube video Spectrolink SCC accessing a...
Tue, 24 Oct, 2023 at 4:20 PM
TQ DGH FC10, FC19 - FC10 HX OT1 Open and FC19 HX OT2 Open - Over-temperature switch identification
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
TA5 TE5 TE4 from Feb 2005 SPI control system service diagnostics
TA5 TE5 TE4 from Feb 2005 SPI control system service diagnostics Complete Pdf attached TA5 TE5 TE4 from Feb 2005 from Feb 2005 Pages from April 2005 Braema...
Fri, 20 Mar, 2020 at 2:02 PM
TQ DGH FC1, FC2, FC3 - FC1 PS low closed at start, FC2 PS low failed to close, FC3 PS low opened during run
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
TG, TH DGH FC11 displayed to user on Spectrolink
TG, TH DGH FC11 displayed to user on Spectrolink Click here to view YouTube video Spectrolink SCC accessing and clearing fault code history ...
Tue, 24 Oct, 2023 at 4:21 PM