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York TM9V080C16 Error Codes

Updated · by Aurora Star Tech Inc.

York TM9V080C16 error codes and diagnostic codes (also listed as TM9V 080C16). The TM9V080C16 is a York furnace in the York TM9V series.

Homeowner with a furnace problem? Call (647) 657-2977 or book a service call — licensed technicians across Vaughan and the GTA.

York TM9V080C16 error codes list

CodeMeaningSeverity
1 red flashFlame detected with gas valve offCritical
2 red flashesPressure switch closed when it should be openMedium
3 red flashesPressure switch open when it should be closedHigh
4 amber flashesCooling call (Y) without fan call (G)Low
4 red flashesMain limit switch openHigh
5 red flashesRollout switch open / limit circuit open over 15 minCritical
6 red flashesPressure switch cycling lockoutMedium
7 red flashesIgnition failure lockout (retries)High
8 red flashesFlame lost repeatedly (recycles)High
9 red flashesPolarity reversed or bad groundMedium
10 red flashesGas valve powered with no heat callCritical
11 red flashesLimit open 5-15 minutes - blower failureHigh
13 red flashesHigh-fire pressure switch openMedium
LED steady offBoard LED dark - no power to controlHigh
Rapid amber flashWeak flame signalMedium
Steady on (any color)LED lit solid - internal control faultHigh

Troubleshooting the TM9V080C16

York TM9V080C16 specs and setup data

All York Furnace error codes →

Homeowner help: Furnace Not Turning On: What to Check · Furnace Blinking Light: What the Flash Codes Mean

General guidance for qualified technicians. The manufacturer's installation and service manual and local codes always take priority. Aurora Star Tech is not affiliated with, endorsed by or sponsored by any equipment manufacturer; brand and model names are used only to identify equipment and belong to their owners.

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