Diagnostics and Specific Fault Finding
Gas Heating diagnostics and fault finding
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
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
Kit Pt# 651799 replaces both sparker and sensor in TQ condensing heaters Kit Pt# 651800 replaces both sparker and sensor in ...
Mon, 15 May, 2023 at 12:14 PM
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
Star series / SCC / Spectrolink controller Security code (Builders lock) - Unlock code 4312 Unlock Code - 4312
Tue, 4 May, 2021 at 10:03 AM
TQ 230 Vac combustion fan (1&2 stage heaters) and combustion fan resister (2 stage heaters only) - testing operation
Tue, 2 Jul, 2024 at 3:25 PM
THM replacing MCB (Modulating Control Board)
Wed, 24 May, 2023 at 12:05 PM
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 4:26 PM