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I'm getting "HI" on my Trane R22 mini split display while on heat mode? What does it mean?

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 147 Answers

SOURCE: heat controller mini-split air conditioner

Check each screw on your compressor to ground (compressor case). Should be very high resistance Then check the resistance across your teminals on the compressor to be sure it is not shorted. Then check the wiring to your capacitor (The big one). I ran across this just last week. The mechanic didnt have the capicator wired correctly. If it is brand new it will have a wiring schematic somewhere on it.
Dont leave the compressor on very long, but turn it on long enough to get a voltage reading across the terminals. I assume it should be 240 volts. If you have check all of this, they make a jump start gadget to start a stuck compressor. They sell it just about everywhere. Let me know how this comes out..

Posted on Sep 30, 2008

  • 1 Answer

SOURCE: DeLonghi Planus quick connect split heat pump.

I was told by a delonghi technician that it does this to defrost the unit.
Hope this helps.

Posted on Apr 22, 2009

  • 1 Answer

SOURCE: E4 error code on AUX mini-spit a/c unit

E9 Showing on my split unit a/c

Posted on Mar 19, 2010

  • 674 Answers

SOURCE: LG Ductless Mini Split System LAN125hv: Heat pump doesn't run.

First check your circuit breaker or fuse that supplies power to the outside unit. It's probably separate from the inside unit. Then try to turn unit on. If the fan and compressor just make a humming sound then turn it off and check the capacitor if you have a multimeter. You can also look at it and see if the top looks expanded. That's a good sign its bad, but not all bad one's look expanded. Tomorrow I will have access to an LG service manual and can let you know what the code means. Sorry I can't get it sooner. Let me know what you find.

Posted on May 03, 2010

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1 Answer

What does df on interior display of pioneer split heat pump system mean?


In defrosting mode, The LED displays “dF” or alternative displays between running frequency and “dF” (each displays 0.5s)
This means the outdoor unit is in defrost mode, heat pumps will initiate defrost upon demand. Its a normal operation code

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What does H1 code indicate?


Hello E, I appreciate your post!
I see that your Frigidaire air conditioner is displaying an error code of "H1". I have reviewed the air conditioner and the "H1" error code could be an "HI". The "HI" error code means that the room temperature is above the display range. I would recommend performing a reset on your air conditioner. In order to reset the air conditioner you need to unplug the power cord you can press the reset button and then the test button that should restart your air conditioner. If that does correct your issue I would recommend seeking assistance from a professional technician for proper diagnosis and repair. I hope this information is helpful for you. -Matt

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Brand New 2 weeks old 4 ton Trane compressor leaks a lot of water onto pad


If the unit is running in cold weather than there is ice building up on the coils located outside. This is normal in that the unit is running in heat pump mode heating inside and cooling outside, After the unit detects the ice build up it briefly reverses the cycle heating the outside coils melting(defrosting) the ice which you observe as water on the pad.

The video gives you an example of the defrost cycle!
2012 Trane XL15i Heat Pump Defrost Cycle Steam Show

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WHAT IS REFRIGERANT SUCTION PRESSURE OF MY 1 TON SPLIT AC?


R22= 70-80psig
R410a=120-130psig
Depending on many variables such as blower speed, coils clean, indoor/outdoor temps.

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1 Answer

Outside unit freezing


Hi there well it sounds like you got a R22 gas leak thats all

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It's not an error. you have it set in auto mode and it is cooling. when it switches to heat the lights will switch as well. Set to cool only and it should go away.

Apr 28, 2011 | Soleus Mini Split Air Conditioner

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1 Answer

My LG LAN125 mini split heat pump occasionally shuts down in cooling mode while displaying the code CA. The LG tech tells me there is no such code. When this happens, I have to cycle power off and back on...


Wash out your outside coil and monitor the outside fan. sounds like a lockout due to dirty condenser or intermittent motor operation. Could mean condencer air problem.

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