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Allied Error Codes & Diagnostic Codes

Updated · by Aurora Star Tech Inc.

Allied error codes and diagnostic codes: look up a code to see what it means, the likely causes and the steps to fix it.

Allied error codes by equipment type

Allied Furnace error codes

CodeMeaning
1 flashFlame sensed with gas valve off
2 flashesPressure switch closed with inducer off
3 flashesPressure switch open with inducer on
4 flashesHigh limit switch open
5 flashesRollout switch open
6 flashesPressure switch cycle lockout
7 flashesLockout - no ignition
8 flashesLockout - too many flame dropouts
9 flashesIncorrect line voltage phasing
LED offNo power to control or control hardware fault
LED onNormal operation

Find codes by Allied model

A95/A93/95G1/92G1UH

92G1UH92G1UH0450892G1UH0451292G1UH0700892G1UH0701292G1UH0901292G1UH0901692G1UH1101692G1UH1102092G1UH1352095G1UHA93UHA95UH

A93/92G1UH

A93UH1D

A95/95G1UH

A95UH1D

Allied troubleshooting guides

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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