Diagnostics and Specific Fault Finding
Gas Heating diagnostics and fault finding
TQ DGH - FC6 FC71 FC72 FC73 FC74 FC75 FC76 FC77 FC78 ICS Micor errors
Mon, 12 Aug, 2024 at 12:46 PM
THM DGH FC2 Click here to view YouTube video Spectrolink SCC accessing and clearing fault code history
Tue, 19 Aug, 2025 at 9:16 AM
TA3 TB3 TB3X from July 2004 Fenwal 35-80 ignition and flame sense PCB system service diagnostics Attached is full version of Pdf TA3 TB3 TB3X heaters from ...
Fri, 20 Mar, 2020 at 2:04 PM
TH5 Condensate Probe to Pressure Switch Upgrade Kit 638829 Condensate probes for TH5 heaters are no longer available. If probes require replacement the ...
Wed, 26 Aug, 2020 at 9:48 AM
TA TA3 TB3 Pre June 2004 Johnson G821 ignition and flame sense PCB system service diagnostics Attached is full version of Pdf TA TA3 TB3 Pre June 2004 Page...
Fri, 20 Mar, 2020 at 2:03 PM
Room Fan Motor Testing for TQ/TQM Heaters Overview Most TQ/TQM heater models include a Forward-Curved Centrifugal (FCC) room fan, typically sized 9x7 ...
Fri, 13 Jun, 2025 at 9:31 AM
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
Star series / SCC / Spectrolink controller Security code (Builders lock) - Unlock code 4312 Unlock Code - 4312
Tue, 4 May, 2021 at 10:03 AM
THM - Adjusting the fan speed and maximum gas rate (THM series ducted gas heater only)
Mon, 15 May, 2023 at 11:39 AM
TG5 with condensate probes (pre-pressure switch) FC18 condensate detected at probes FC17 Condensate detected during run
Mon, 2 Jun, 2025 at 2:35 PM