My Central A/c Heat Unit Trips My 40 Amp Breaker After Running Heat For 5 Minutes. - Electrical - DIY Chatroom Home Improvement Forum

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Old 12-26-2010, 11:20 PM   #1
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my central a/c heat unit trips my 40 amp breaker after running heat for 5 minutes.

hi,i have a 9 year old rheem air and heat central home unit. my central heat runs with a 40 amp breaker. what happens is the breaker will trip after 3 to 7 minutes all the time,, so i just have heat for about 5 minutes.. a friend of mine we are electric contractors , but not a/c repair. he was saying my LIMIT SWITCH could be bad? thanks let me hear from you.


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Old 12-27-2010, 12:02 AM   #2
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what kind of unit is this?


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Old 12-27-2010, 09:23 AM   #3
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A heat pump can draw excessive current and trip the breaker if the Freon level is too low.

You will want to have an HVAC specialist inspect the unit and do any needed servicing.
The good conscientious technician or serviceperson will carry extra oils and lubricants in case the new pump did not come with oil or the oil was accidentally spilled, so the service call can be completed without an extra visit.
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