Lennox air handler troubleshooting | HVAC Options

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A damaged air handler is irritating, regardless of the time of yr. Within the hotter months, it prevents you from utilizing your AC. And within the colder months, you’re with out warmth.

However a restore could also be less complicated than you assume. With these Lennox air handler troubleshooting suggestions, you could possibly DIY a repair.

Lennox air handler fan shouldn’t be operating

Be certain your air handler has energy. Examine your electrical field to see when you’ve tripped a breaker. When you have, reset it. Make sure the change for the air handler is turned on.

Subsequent, set your thermostat to “on” as an alternative of “auto.” It doesn’t matter if it’s on “warmth” or “cool.” Really feel your vents for any airflow.

When you nonetheless don’t really feel air blowing, change the filter to your air handler and another HVAC tools in your house (furnace, warmth pump, AC compressor, and many others.) It is best to change these filters frequently to keep away from airflow blockages. Be certain the substitute filters match the previous ones for dimension and kind.

Flip the ability off to your air handler. Open it – you’ll have to unscrew the quilt to do that. Take a peek inside and search for any mud or particles which may be jamming the fan. When you see an apparent blockage, take away it sporting work gloves to guard your arms from the fan blades.

Name an HVAC technician if none of those Lennox air handler troubleshooting solutions deliver your fan again to life. Your downside may very well be something from a lifeless motor to a defective thermostat. A professional will be capable to pinpoint the issue for you.

Lennox air handler fan is beginning and stopping, or received’t cease

Examine your thermostat. When you set it to “on” as an alternative of “auto,” your fan will consistently blow, even when not actively heating or cooling. When you set it to “auto,” it should solely blow throughout a heating or cooling cycle.

Subsequent, examine your air filters and change them if they’re dusty. A clogged filter could trigger the warmth exchanger to malfunction. You’ll be able to decide up new filters inexpensively on Amazon or at a retailer like Walmart or Lowe’s.

If that doesn’t assist, flip off the ability and open your air handler. You might have to unscrew the quilt. A grimy fan may impression the warmth exchanger. If yours wants cleansing, wipe it with a mushy material (put on work gloves to guard your arms from the blades). You can even use canned air to mud the blades.

If these solutions don’t assist, you possible have a damaged fan restrict change. Changing this isn’t a DIY job. Contact an expert to repair the issue. 

Air shouldn’t be flowing correctly via a Lennox air handler

When you really feel that air shouldn’t be flowing correctly in your house, you’ll have a difficulty together with your ducts. Do a cursory inspection of your ducts by eradicating your registers and looking out in with a flashlight. When you see any blockages, take away them. When you see holes you may attain, restore them with aluminum foil tape or sealant.

When you haven’t had your ducts cleaned in a number of years, you could wish to rent a duct cleansing service. The Environmental Safety Company supplies some good tips about figuring out whether or not you want this service. 

Be certain the registers in your house are unobstructed with open louvers. Take away furnishings, decor, and different muddle which may be blocking them.

Exchange all of the air filters in your HVAC system. Guarantee the brand new ones match the scale and kind of the present ones.

Flip off the ability to the system and open your air handler. You might have to unscrew the quilt. The fan inside could also be dusty or obstructed. Put on protecting gloves and take away any seen obstructions from across the fan blades. Mud the parts, together with the fan blades, with a mushy material or canned air.

If the airflow nonetheless isn’t proper, name an expert to diagnose the difficulty.

Lennox air handler troubleshooting assets

Lennox has a troubleshooting device on its web site to assist determine and repair points together with your system. There’s additionally a product literature lookup there, the place yow will discover the proprietor’s guide to your mannequin. These Lennox air handler troubleshooting assets may also help you determine components and decide when to name a professional for assist. 

When you’ve tried our Lennox air handler troubleshooting suggestions and nonetheless have a difficulty, name an expert. An HVAC technician may deal with the troubleshooting for you when you’re not snug performing the duties your self.

Click on under to attach with a top-rated native HVAC technician who can get your air handler again up and operating!