Fan blows but no heat

Old 11-23-11, 08:36 AM
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Join Date: Nov 2011
Location: usa
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Angry Fan blows but no heat

Hi All,

My heat has stopped working in the house. The fan still blows but the air temp coming out of the register is house temperature.

I recently installed a hunter touchscreen thermostat controller and wired it up according to directions. The heat has been working for a week since I installed it though.

I cracked open the air handler to inspect it. The 5 amp fuse is still ok. The cfm LED last night was flashing 9 times. This morning the LED is staying on for about 9 sec and turning off for about 2 sec. It will continue this cycle.

Does anyone have any suggestions what the error on the board is telling me?

My air handler is a Trane model# TWE049e13fb1

Thanks so much for all your suggestions in advance.

Old 11-23-11, 11:12 AM
Join Date: Mar 2006
Location: Wet side of Washington state.
Posts: 18,495
Received 36 Votes on 28 Posts
Look at the inside of the blower compartment cover, there should be a "cheat sheet" denoting the various trouble codes and what they mean.

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