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Old 06-06-2015, 01:13 PM   #1
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lennox hs26 series not working

Hello I have a hs26 series lennox air conditioner. It was working the night before. I turned it off in the middle of the night and started it back up again in the mid afternoon and its not running at all. HS26-030-3P 5802B38640. it was installed on 3/21/02. The thermostat turns on and so does the furnace inside the house but the unit outside doesn't make noise or spin. I have tried the circuit brackers both inside the house and the main for the unit outside. Still nothing is working. I took pictures of the unit inside and outside. Please help with any suggestions and/or answers. Thank you, Yvonne
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purdyenough is offline   Reply With Quote
Old 06-06-2015, 01:25 PM   #2
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Neither the outdoor fan or compressor comes on ?

I read a thread a week or two , the guy had a similar situation . His system had a water sensor associated with the drain pan that catches the condensate off the A-Coil .

This sensor shut down the condenser . The drain line became clogged and condensate backed up in the pan .

As soon as the drain line was cleared , the condensate drained out , the sensor was once again happy and all started working again .

On the other hand , the problem may be at / inside the condenser unit .

Do you have a volt - ohm meter ? If not , you can get one sufficient for this chore at Harbor Freight .

Post back when you have a meter in hand .

God bless


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Old 06-06-2015, 04:19 PM   #3
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I think Wyr might be on the right track. In your last pic the black box on the floor is the condensate pump. See if that is full of water. It's a starting point.
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Old 06-06-2015, 08:00 PM   #4
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There may be a high pressure switch inside the outdoor units panel. See if its tripped. Your outdoor fan may be seizing.
When posting in certain forums, knowing your location will help others give better feedback/advice/solutions to your questions.
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Old 06-07-2015, 03:40 AM   #5
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Or a low pressure switch . To shut the compressor down when refrigerant charge get low .

I do not think the PO has answered if both the compressor and outdoor fan are off ?

This is easier to diagnose with a volt - ohm meter .

God bless
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