thermistor or low refrigerant? - http://www.hvacmechanic.com/ Forums
Original message
| modaman
 |  "thermistor or low refrigerant?"
, posted Wed 15 Aug 08:30  
I have a very old (circa 1990) York 2 ton heat pump that has iced up on the suction line on occasion for years and i have been told 2 times when the service tech came that I have a slow leak (he did not do a leak detect). The last time I shut down the system to thaw out the lines and then restarted the system, I get no cold air, just room temp, blowing through the vents.
Does this sound like low or no r22 in the system or possibly a thermistor gone bad?
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Replies:
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| Gregg Harris
| "Re(1):thermistor or low refrigerant?" , posted Wed 15 Aug 22:12
A thermister would not have anything to do with this problem. Have leak search performed.
"It takes less time to do something right the first time than it does to explain why you did it wrong."
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| | modaman
| "Re(2):thermistor or low refrigerant?" , posted Thu 16 Aug 09:44
I had a tech come by yesterday and he put a volt meter on the lines leading out of the condenser and informed me that 2 of the 4 wires have no power and that the system is in effect, dead. Is there any repair or is he right?
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| | hvacmac
| "Re(3):thermistor or low refrigerant?" , posted Sat 18 Aug 14:28
Was the key in the disconnect? If it was out then you would only have voltage on the line terminal and not the load terminals. Or this person does not know which terminals to measure.
Never get in a hurry!
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