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Wed, Dec 12, 12 at 9:38
| I have a TRANE furnace that at times will need to have the main AC switch turned OFF, then ON to start. Thermostat is OK. Any ideas? Thanks. |
Follow-Up Postings:
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| What do you mean by the "main AC switch". Are you talking about the circuit breakers in the electrical panel or something else? |
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| Service toggle switch next to unit. |
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| I assume this switch supplies the 120V power to the furnace. It could be a number of things, but my suspicion it is a control board problem. |
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| Mike, Thanks for the response. I tend to agree with you. It could be a limit/safety switch setting an indicator on the control board which gets reset on power down! All I know is that the thermostat says HEAT ON and when I cycle the service switch the unit fires up. The vent blower starts up, the ignitor lights up, the burners light, and the air circulation blower finally comes on. I plan on replacing the ignitor anyway, it is 17 years old. Victor |
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