Model # HGA120N4H Official Haier gas furnace
Here are the diagrams and repair parts for Official Haier HGA120N4H gas furnace, as well as links to manuals and error code tables, if available.
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Model diagram and schematic
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Symptoms for elliptical machines
Choose a symptom to see related elliptical repairs.
Main cause: lack of lubrication on pivot points…
Main causes: faulty reed switch, reed switch needs adjustment, wiring failure, bad control console…
Main causes: dirty heart rate sensors, wiring failure, bad control console…
Main causes: dead batteries, power supply failure, bad wiring connections, faulty control console…
Main causes: loose fastening bolts, damaged handle bars…
Main causes: weak batteries, loose wires, faulty control console…
Main causes: leveling feet need to be adjusted, loose frame bolts, unstable flooring…
Main causes: bad resistance motor, faulty control console, wiring failure…
Repair guides for elliptical machines
These step-by-step repair guides will help you safely fix what’s broken on your elliptical.
How to replace an elliptical resistance motor
If the resistance motor is not changing the resistance on your elliptical, replace it using these steps.…
How to adjust an elliptical reed switch
If the console doesn't display the correct speed on your elliptical, adjust the reed switch using these steps.…
How to replace an elliptical console
If the console on your elliptical doesn't work, replace it by following these 3 easy steps.…
Effective articles & videos to help repair your furnaces
Use the advice and tips in these articles and videos to get the most out of your elliptical.
Get expert tips for preparing your furnace for winter. Follow maintenance tips to keep your furnace in top shape.…
Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…