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MP4VT2004

Joined: 09/09/2007 Posts: 16646
Likes: 13850

What's this?

I'm not an HVAC tech, but my money's on the reversing valve.


I'm guessing the compressor is cycling on/off quickly because something's going with the reversing valve and it's not allowing refrigerant to flow properly, which is probably setting off a high pressure switch.

No way to know without getting a real technician to look into it, but that's my best remote diagnostic.

(In response to this post by Tafkam Hokie)

Posted: 05/03/2021 at 4:54PM


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Current Thread:
 
  HVAC experts, and anyone who slept at a Holiday Inn in the last 30 days... -- Burruss Writer 05/03/2021 4:29PM
  A simple check is your drain pan -- Tombo 05/03/2021 7:58PM
  Just because the outside unit fan is running doesn't mean the compressor is -- VT2001EE 05/03/2021 6:16PM
  If you have a schematic of the unit's control board you could verify -- VT2001EE 05/03/2021 6:25PM
  None other than the cycling -- Burruss Writer 05/05/2021 11:56AM
  7th Fetzer valve is probably sticking. Use some 3-in-1 oil and gauze pads** -- TexasGobbler 05/03/2021 5:50PM
  Finally just replaced the system last month -- chumley 05/03/2021 5:48PM
  Get an Ecobee ** -- LonghornHokie 05/03/2021 5:04PM
  Just leave your refrigerator open. ** -- Guy LeDouche 05/03/2021 5:04PM
  Just call the man, already. Sheesh. Too many engineers on this board.** -- Femoyer Hokie 05/03/2021 5:00PM
  It's gonna get hot ** -- bigbadbird 05/03/2021 4:51PM
  In that situation, you do the only thing possible. You take your pants off ** -- ElbertoHokie 05/03/2021 4:54PM
  ^^^ Murray ^^^ -- Brown Water 05/03/2021 4:58PM
  Drink heavily** -- reestuart 05/03/2021 4:43PM
  I'd say you don't have any coolant anymore except for the cycling on and -- ElbertoHokie 05/03/2021 4:40PM
  That's my neophyte diagnosis for the cycling -- Burruss Writer 05/03/2021 4:45PM
  Your condenser is not kicking in -- Happy Dog 05/03/2021 4:39PM
  AC or heat pump? -- Tafkam Hokie 05/03/2021 4:37PM
  I'm not an HVAC tech, but my money's on the reversing valve. -- MP4VT2004 05/03/2021 4:54PM
  Heat pump -- Burruss Writer 05/03/2021 4:42PM
  It's always the capacitor ** -- Brown Water 05/03/2021 4:34PM
  The flux capacitor, duh ** -- MAHokie69 05/03/2021 9:19PM
  I was gonna say ball bearings. ** -- RoswellGAHokie 05/03/2021 4:37PM
  I concur ** -- hoosnowahokie 05/03/2021 4:36PM
  Double Concur. Luckily a pretty cheap fix. ** -- Stork 05/03/2021 5:03PM

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