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I have been working on this unit for some time changed the defrost board , replaced the low pressure switch , added and removed charge . I replaced the pressure switch and resolved one fault code and then with I an half hour of opperation I gotanther fault code that said I was( reciving a single on w in the a/c mode) but we were in the heating mode ..... I checked the wires no short now Im going to replace the t-stat.. anyone with crazy **** like this like to know thanks
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When all else fails,
replace everything.
If you try to fail, and succeed.
Which have you done ?
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Got a M, and S number for that unit.
I haven't run into that one yet.
But, you might want to check for voltage on your orange.
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Originally posted by miller2000
I have been working on this unit for some time changed the defrost board , replaced the low pressure switch , added and removed charge . I replaced the pressure switch and resolved one fault code and then with I an half hour of opperation I gotanther fault code that said I was( reciving a single on w in the a/c mode) but we were in the heating mode ..... I checked the wires no short now Im going to replace the t-stat.. anyone with crazy **** like this like to know thanks
sounds like you were in defrost mode.
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the outdoor fan was not running and the only way the ornge is energized is the t- stat or outdoor board..I replacd the defrost board because it would not test defrost.
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no just starting in this trade
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Originally posted by miller2000
the outdoor fan was not running and the only way the ornge is energized is the t- stat or outdoor board..I replacd the defrost board because it would not test defrost.
Some of them won't go in to defrost if the defrost sensor is bad.
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I tested the senser by temp and resis and it was good.
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What m#, s#, of outdoor, and indoor unit, and what t stat are you using on it.
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just had the york people here today hope the problem is resolved. The only thing wefound was the way the humid was hooked up, rewired the unit with a current sensing relay and the home owners wonted the same t-state that thay put on. So thay got a honeywell with a york name. Now I hope I dont see them till there PM.thanks for all the help
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