Diagnostics and Specific Fault Finding
Gas Heating diagnostics and fault finding
TG, TH DGH FC11 displayed to user on Spectrolink Click here to view YouTube video Spectrolink SCC accessing and clearing fault code history ...
Tue, 19 Aug, 2025 at 9:20 AM
Component Testing & Fault Diagnosis Braemar TQ Gas Heater TQ Service Guide 2023 (Doc 644066M) 1. Purpose This article provides step‑by‑step compo...
Mon, 15 Jun, 2026 at 2:49 PM
TQ DGH - FC6 FC71 FC72 FC73 FC74 FC75 FC76 FC77 FC78 ICS Micor errors
Mon, 12 Aug, 2024 at 12:46 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
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
TQ / TQM / TQR Heater Room Fan Motor Testing & Troubleshooting Guide (ICS, Capacitor, Thermistor & Fan Speed Checks) Overview Most TQ/TQM/TQR h...
Thu, 4 Jun, 2026 at 12:45 PM
TQ FC00 - heater has recovered from a fault, but the lockout state on the ICS PCB did not update. May happen when there is a power outage causing a gli...
Tue, 25 Jun, 2024 at 10:35 AM
THM - Adjusting the fan speed and maximum gas rate (THM series ducted gas heater only)
Mon, 15 May, 2023 at 11:39 AM
THM replacing MCB (Modulating Control Board)
Wed, 24 May, 2023 at 12:05 PM