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Electric Furnace Systems
(Refer to "How a heating system operates" for more information)
Electric Furnace Mainenance
Your Central City Air installed electric furnace requires very little owner maintenance.
Caution: Turn off power to unit before performing any maintenance.
Before calling for service
If your furnace does not appear to be performing properly, or does not operate at all, it may save the cost of an unscheduled service call if you check a few conditions yourself, before calling for service.
Insufficient Air Flow
If you sense a change in airflow, a dirty air filter is the most likely cause. Inspect the air filter following the procedures in the General Maintenance section.
Another common cause of insufficient airflow is a blocked return-air or supply-air grille. Be sure that furniture or other items do not cover these grilles.
Furnace Fails to Operate
If your furnace fails to operate, follow these step-by-step instructions, and proceed only to the next step if the furnace fails to start.
- Check that your room thermostat temperature selector is set above house temperature, and the system switch is in the heat position. Is the unit power switch on?
- Check the house fuse box for a blown fuse or tripped circuit breaker.
- Check the air filter. An extremely dirty air filter can cause furnace safety controls to shut down the system.
If your furnace still does not operate, call your Central City Air technician for experienced assistance.