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I have a carrier 38ckc026 and a two zone thermostat system. both thermostat displays are blank & a/c doesnt work - what should i look for before calling an hvac repairman?

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Hi,
The 24v transformer blew or if you are lucky there is a fuse in the line before the transformer...

Check in the air handler to make sure the cover is on right... then check for power to the air handler, then check ofr a fuse on the circuit board, finally check the transformer...

The problem lies in one of those things...

heatman101

Posted on Sep 05, 2010

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