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7 Common Mini-Split Problems and How to Repair Them

July 12, 2021

Having mini-split installation done is a great way to solve comfort troubles in your house. These systems don’t require ductwork to give energy-efficient heating and cooling. Much like any other home comfort system, they can run into issues sometimes. Here are seven of the most typical mini-split troubles and how you can solve them.

1. Mini-Split is Dripping Water or Not Draining Water

If your mini-split is dripping water or not draining water, there may be a problem with the condensate drain or drain line. It’s common for a drain line to become clogged with mold, force water to back up and drip. Contact American HVAC Inc at 916-243-6714 for assistance and we’ll get your drain unplugged quickly.

2. Mini-Split is Making Noise

Mini-splits normally don’t generate much noise when they’re running. But there are a couple of instances where they may make sounds.

  • Popping or clicking: This can be the result of the plastic housing expanding or contracting while the system is operating.
  • Swooshing, crackling or gurgling: This can happen if your mini-split goes into defrost mode to keep itself from freezing up.

You shouldn’t be alarmed if you hear these noises as they’re typical. However, if your mini-split keeps turning on defrost mode, it’s a sign that something is off, including not enough refrigerant, a bad circuit board or broken sensors. Your American HVAC Inc HVAC tech will be able to find and correct the problem fast.

3. Mini-Split is Not Heating or Blowing Hot Air

If your mini-split is not heating or blowing hot air, icy coils could be the problem. Like we discussed before, frozen coils can be the effect of not enough refrigerant, a failing circuit board or broken sensors. Call us at 916-243-6714 for assistance.

4. Mini-Split is Not Cooling or Blowing Cold Air

If your mini-split is not cooling or blowing cold air, there could be a refrigerant leak. Your mini-split AC relies on refrigerant to shift heat and keep your house comfortable. These leaks must be fixed by a licensed HVAC technician, so call us at 916-243-6714 for support.

5. Mini-Split is Not Dehumidifying

Similar to an air conditioner, a mini-split is efficient at dehumidifying during the summer. However, this could be interrupted by blockages in the condensate drain line. Another reason your mini-split air conditioner may not be dehumidifying very effectivelyis if it’s oversized. A system that’s too large will cool down an area too rapidly without having time to dehumidify it. Mini-split size is planned on square footage and BTUs.

6. Mini-Split Smells

If your ductless mini-split smells, it’s trying to get your attention that something is wrong. Here are five of the most common smells and what they mean.

Musty, Sour or Mildew

If your mini-split smells musty, sour or like mildew, you may have a mold issue. Have a professional like American HVAC Inc inspect and rinse the condensate drain and drain line, if needed.

Vinegar

If your mini-split smells like vinegar or has a sweet odor, you’re possibly dealing with a refrigerant leak. Another certain sign that you don’t have sufficient refrigerant is a lack of cool air. Contact us at 916-243-6714 for support.

Fish

If your mini-split smells like fish, a couple of things could be wrong. Sometimes this smell means there is an electrical problem or that there’s a leak. Regardless, reach us at 916-243-6714 for support.

7. Mini-Split Will Not Power On

If your mini-split will not power on, examine the remote first. If the batteries are bad, your mini-split won’t run. In the majority of instances, replacing the batteries will solve the trouble. If you’re still running into trouble, call us at 916-243-6714.

Rely on Us for Your Mini-Split Repair Needs

When you need mini-split repair or air conditioning repair in Sacramento, get in touch with the company your neighbors and friends have relied on since 2010. Quality service, fair prices and your comfort are our highest priorities! Contact us at 916-243-6714 to book your appointment right away.