Allied · Furnace

LED on Normal operation

Normal status A95/A93/95G1/92G1UHA95/95G1UHA93/92G1UH

What the display is showing

Steady LED on the control means the board is powered and running normally.

Applies to: A95UH, A93UH, 95G1UH, 92G1UH (sizes 045-08 to 135-20)

Models that show this code

15 models in A95/A93/95G1/92G1UH, A95/95G1UH, A93/92G1UH

92G1UH92G1UH0450892G1UH0451292G1UH0700892G1UH0701292G1UH0901292G1UH0901692G1UH1101692G1UH1102092G1UH1352095G1UHA93UHA93UH1DA95UHA95UH1D

Other codes on the same units

3 flashes Pressure switch open with inducer on
4 flashes High limit switch open
5 flashes Rollout switch open
6 flashes Pressure switch cycle lockout
7 flashes Lockout - no ignition
8 flashes Lockout - too many flame dropouts
9 flashes Incorrect line voltage phasing
LED off No power to control or control hardware fault

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Source: Allied 506724-01 (Issue 1108) A95UH/A93UH/95G1UH/92G1UH Installation Instructions, Diagnostic Codes p.53. Summarized in our own words; check the original manual for your model.

For licensed technicians. Gas, electrical and refrigerant work must be done by a qualified, licensed person. Shut off power and gas before servicing, never bypass a safety control, and follow the manufacturer’s manual for the exact model; it and local codes always take priority. HVACopedia is not affiliated with any manufacturer; brand and model names only identify the equipment.