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Allied Furnace: Blower access panel and carbon monoxide hazard

Updated · by Aurora Star Tech Inc.

Blower access panel and carbon monoxide hazard on a Allied furnace: Carbon monoxide risk. On the Allied A95, A93, 95G1 and 92G1UH, if the blower access panel is off or loose while the blower or burners run, gas fumes that may contain CO can get into the living space. Confirm the panel is secure before any operation, and never run the furnace to test something with the panel removed.

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

Applies to: All installations

Common causes of blower access panel and carbon monoxide hazard

  • Blower access panel removed or loose while the blower or burners operate
  • Panel not reinstalled after filter or blower service
  • Damaged panel or missing fasteners that stop it sealing

How to fix blower access panel and carbon monoxide hazard: step by step

  1. Keep the blower access panel securely in place whenever the blower and burners are running.
  2. After any service, check the panel is seated and fastened before you restore power.
  3. If the panel was found off, check the home for CO symptoms and use a CO detector.
  4. If a CO alarm sounds, leave the house and call a licensed technician or the gas utility.
Safety: Gas, electrical and refrigerant work must be done by a licensed technician. Turn off power and gas before servicing, never bypass a safety control, and always follow the manufacturer's manual for your exact model.

If the unit shows an error code, look it up: Allied Furnace codes

Source: Allied 92G1UH installation instructions manual, p. 13. Written in our own words as a summary; always check the original manual.

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.

Emergency Furnace Repair

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