Q:

How do you troubleshoot a Trane furnace?

A:

Quick Answer

To troubleshoot a Trane furnace, you must first identify the exact type of problem. Some of the common problems with Trane furnaces include dirty filters, incorrectly set thermostats, closed shutoff valves, and blown fuses or tripped circuit breakers.

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Full Answer

First, remove the filter from the furnace, and check if it is dirty. A dirty filter leads to a decreased airflow in the furnace, which consequently results in poor heating. Replace the dirty filter with a new one. Remember to check the manufacturer’s manual to learn what specific furnace filter your heater uses.

If the furnace does not heat, ensure that the thermostat is set correctly. Confirm that the switch on the thermostat is on and that the desired temperature is set correctly. If your furnace has a programmable thermostat, verify that the program is running correctly and that it has the correct day and time settings. Check if the furnace’s shutoff valve on the gas line is closed. If closed, open it to allow gas to reach the furnace.

If the furnace does not ignite or operate, begin by checking the machine’s electrical panel for any tripped breaker or blown fuses. Replace blown fuses with others of the same amperage rating, and reset any tripped circuit breakers. If the furnace doesn't operate because of a faulty home breaker box, seek professional assistance.

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