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Heat pump in heat mode keeps shutting off

baltmdpilot
baltmdpilot Member Posts: 5
edited November 2023 in A-C, Heat Pumps & Refrigeration
HELP!
My heatpump has full refrigerant, new defroster board, AC worked fine all summer. Switched over to HEAT, compressor and fan comes on but only runs for about 15 20 seconds then compressor and fan shuts off and it goes into emergency heat mode. Filyer inside is new.. It will cycle back,  compressor and fan come on, line hot, but shuts off again. It had R22 in it, its full, everything else is good. I'm cold and can't afford a new unit need to get this one fixed. Any ideas? What else can we check? Please email me baltmdpilot@aol.com or send a message. 

Comments

  • pedmec
    pedmec Member Posts: 1,016
    how do you know it has a full refrigerant charge? did you weight it in?
  • baltmdpilot
    baltmdpilot Member Posts: 5

  • neilc
    neilc Member Posts: 2,787
    when did you fill up on the R22 last?
    it might be time again,
    and if it is, it's really time for that new system
    known to beat dead horses
  • baltmdpilot
    baltmdpilot Member Posts: 5
    edited November 2023
    My brother filled it up 2 hours ago . He knows what he's doing but can't figure this out. He readings said it was full, line is hot now.  AC worked fine. Why would it keep shutting off and starting back up? I live in MARYLAND and I have no heat.  Any ideas what else he can check, anything in the inside unit? If I loose you please email me
  • pedmec
    pedmec Member Posts: 1,016
    bypass the defrost board to see if it stays running. you could have a defective defrost control or a sensor on the defrost control.
  • baltmdpilot
    baltmdpilot Member Posts: 5
    I don't have the money for a new system. I just had to use my paycheck to get the R22.
  • baltmdpilot
    baltmdpilot Member Posts: 5
    edited November 2023
    New defroster board,  took the one out last week put in last year out, replacing it with new one. Thank you,  anything could be happening in the inside unit? It comes on, then shuts off and goes into emergency heat. It will just keep doing that over and over. I shut it down, have emergency heat on 63, I couldn't stand the cold. My brother is a great mechanic and has out in many HVAC systems,  this has him stumped.  I don't have the money to pay for a new system and can't take on a new bill. My boss has ALS and my job is tetering on a fine line.  If he pulls the plug I will need to find a job real quick and at 64 that will be tough. I am very worried about all this and my brother lives an hour away from me. Any other ideas to check I will pass on to him, I hate the cold and with metal rods in my back the cold is making me feel bad.
    . 
  • pedmec
    pedmec Member Posts: 1,016
    Well its going into defrost for a reason. did you change the defrost sensor? Also doesn't mean the new board is not bad unfortunately. if i inderstood you correctly you put a new one in last year

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