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Gaztech
Gaztech, HVAC Technician
Category: HVAC
Satisfied Customers: 455
Experience:  Owner at Gaztech
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Ducane Outdoor central air unit - model number AC10B30-A

Customer Question

Hi Ducane Outdoor central air unit - model number AC10B30-A serial number(###) ###-#### ***** is running but makes a loud type whistling noise for 5-10 minutes then stops . Unit itself all of a sudden became louder just yesterday . Also seems like it never stops running .
Submitted: 1 year ago.
Category: HVAC
Expert:  Gaztech replied 1 year ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue.

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Customer: replied 1 year ago.
thank you and now the fan stopped but compressor still runs . Hottest day of the summer tomorrow here .
Expert:  Gaztech replied 1 year ago.

OK , is this a heat pump?

Customer: replied 1 year ago.
No outside central air unit
Expert:  Gaztech replied 1 year ago.

When fan stops you need to measure if it is still getting 240v, if it does it may just be a bad run capacitor. here is what capacitor looks like

Customer: replied 1 year ago.
Ok how do you measure that ?
Expert:  Gaztech replied 1 year ago.

and this is what a bad capacitor could look like

Expert:  Gaztech replied 1 year ago.

The only way to measure a capacitor is with a micro farad tester, it is part of a technician tools,

Customer: replied 1 year ago.
How do I measure the voltage
Expert:  Gaztech replied 1 year ago.

You need a volt meater , do yo have that?

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