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HONEYWELL RTH230B thermostat: we just installed the honeywell rth230b. The fan is working, but it's not turning on the outside unit. We pressed down on the thermostat slightly and it triggered the outside unit on for a split second, but it wouldn't stay on. After reading one of your forums, we disabled the blue wire, and made sure red, green, and white were in correctly. (we don't have yellow). Any ideas? The fan and vents are blowing cool air, but the house is 83 degrees and climbing (because the outside unit is not working). Thanks.

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Hello,

what you have to do now from here is that check the capacitor if the maize i.e (wire)_ that pass current over to the compressor is well fix
because this well the unit get is own supply to the over load then the relay section will set out the cooling freely to circulate

please note those wire that you have work on make sure that they are well fix on the capacitor

make sure that there is no lick-age of gas in any form

what i'm saying here this that you need to connect your compressor over to capacitor it is from this section the relay unit will carry out it own function

Thank you and thanks for using fixya.

Posted on May 02, 2010

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