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Old 06-23-2013, 07:38 PM   #1
Join Date: May 2012
Location: Southern Ontario, Canada
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In-laws A/C woes

Hello Everyone.

I'm sure this HVAC forum is as hot as the weather is with tons of questions so here's another one!

My in-laws A/C won't turn on as per my father in-law. The thermo is commanding cool with the furnace blower running however nothing happening at the condensing unit. It's an old Carrier heat-pump type. I've attached a photo from the internet. Their unit is similar. Just wondering if there's anything I could look at which might be the culprit.

p.s. the circuit breaker is ON.
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In-laws A/C woes-current-outside-condenser.jpg  

mlijoi is offline   Reply With Quote
Old 06-23-2013, 07:46 PM   #2
Join Date: Mar 2007
Location: Eighty Four, Pa.15330
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In-laws A/C woes

Funny all the a/c units troubles are coming from up north. I would push in contactor manualy.

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Old 06-23-2013, 08:10 PM   #3
Join Date: May 2012
Location: Southern Ontario, Canada
Posts: 99

In-laws A/C woes

Thanks for the reply!

Ummmm, care to give a bit more info? Where would said contactor live?
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Old 06-23-2013, 09:29 PM   #4
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Location: winnipeg manitoba canada
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In-laws A/C woes

I would not push in the contactor manually......you need a meter to check for power.....
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Old 06-23-2013, 10:40 PM   #5
Join Date: Jul 2011
Location: Houston Texas
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In-laws A/C woes

capacitor is out possibly.
digitalplumber is just a name for use here, I am not a plumber!
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Old 06-24-2013, 12:13 PM   #6
Join Date: Oct 2012
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In-laws A/C woes

They aren't on some kind of power company interrupt program are they?

Things it could be: No main power at the outdoor unit itself. No low voltage control power getting to the unit. Lost it's refrigerant charge and a low pressure safety switch has it shut off.

If you're helping from a distance I would suggest they call a service person as checking any of the above potentially involves high voltages and the potential for serious injury.

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