A/C Blows Warm Air When Outside Temp Rises


  #1  
Old 06-16-14, 02:51 PM
H
Member
Thread Starter
Join Date: Jun 2014
Location: usa
Posts: 1
Received 0 Votes on 0 Posts
A/C Blows Warm Air When Outside Temp Rises

I have an American Standard a/c installed in 2005, Model 2A7A2048A1.

The compressor cools our home fine until the temperature outside rises into the 90s. Then the compressor stops but the fan on the unit continues to run but no cold air. When the outside temp lowers into the 80s the compressor comes on and cools the home fine. This starts happening around 3 pm and ends about 8pm. I had a new capacitor installed but I am still experiencing the same problem. PLEASE HELP!
 
  #2  
Old 06-16-14, 03:14 PM
Bob14525's Avatar
Member
Join Date: Jun 2013
Location: USA
Posts: 1,738
Received 50 Votes on 43 Posts
Just to clarify, does the air handler (inside blower) keep running, but the outside unit (compressor/condenser) shuts off? When the A/C is running (and cooling), is the condenser fan (fan on outside unit) running? When the A/C stops cooling, is anything on the outside unit running? The outside unit contains both the compressor and the condenser fan.
 
  #3  
Old 06-16-14, 03:46 PM
T
Member
Join Date: Jun 2012
Posts: 1,060
Received 31 Votes on 25 Posts
It could be over charged and jumping out on the high pressure switch. Does it run in short cycles or stays off for hours until it cools down outside?
 
  #4  
Old 06-16-14, 06:01 PM
S
Member
Join Date: Feb 2014
Location: USA
Posts: 2,101
Received 0 Votes on 0 Posts
Compressor is going off on thermal overloads. Suction pressure is low. Maybe low on refrigerant.
 
  #5  
Old 06-16-14, 07:33 PM
Houston204's Avatar
Forum Topic Moderator
Join Date: Oct 2009
Location: Texas
Posts: 7,539
Received 38 Votes on 34 Posts
I recommend rinsing the condenser coil. It may be very dirty.
 
 

Thread Tools
Search this Thread
 
Ask a Question
Question Title:
Description:
Your question will be posted in: