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Posted On: June 13, 2024
If you're experiencing no power to your AC unit, here are some steps you can take to troubleshoot the issue:
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Check the Power Supply:
- Circuit Breaker: Ensure the circuit breaker or fuse that powers the AC unit hasn't tripped or blown. Reset the breaker or replace the fuse if necessary.
- Power Switch: Verify that the AC unit’s power switch or disconnect box is turned on.
-
Inspect the Thermostat:
- Check if the thermostat is set to the correct temperature and is in the "cool" mode. Replace the batteries if it is a digital thermostat.
-
Inspect the Air Filter:
- A clogged air filter can cause the system to shut down. Replace or clean the filter if it’s dirty.
-
Check the Condenser Unit:
- Ensure that the outdoor condenser unit is not blocked by debris or dirt. Clean the coils if they are dirty.
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Look for Blown Fuses or Faulty Wiring:
- Inspect the unit’s fuses and wiring for any signs of damage or wear. Replace any blown fuses and repair any damaged wiring.
-
Examine the Contactor and Capacitor:
- The contactor and capacitor in the unit could be faulty. Listen for a clicking sound when the unit attempts to start; if you don't hear it, the contactor may be bad. Similarly, a swollen or leaking capacitor is a sign that it needs to be replaced.
-
Check for Error Codes:
- Some modern units display error codes on the thermostat or control panel. Refer to the manual to decode any error messages.
-
Consult a Professional:
- If the above steps don’t resolve the issue, it might be time to call a licensed HVAC technician. Electrical and mechanical issues with AC units can be complex and sometimes dangerous to handle without proper training.
Do you need help with any of these steps, or do you have more specific symptoms to share?
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See What Our Customers Are Saying:
Apr 10, 2019
Had new furnace installed and ran into some difficulties but the contractor responded in a timely and efficient manner - after further service calls were made, a reasonable resolution was found.
Apr 8, 2019
The work was done quickly efficiently neatly and professionally. Pleased with the service, information, product, and the company.
Apr 1, 2019
Great sales member named Dave came in told us some amazing items and how they would be priced installed an all. We couldnt believe it! The next day the ac was installed, that day one employee named Greg told us that our furnace was working way to hard and was causing us to use way too much gas. So two days later they came in an installed a new furnace!
Apr 1, 2019
Installation was done quickly and professionally. The new furnace is quiet and provides even heat.
Mar 3, 2019
They removed and discarded old furnace. Installed new furnace. Installed air intake pipe, that had never been installed by builder, no charge. Replaced loose hose on floor with hard pipe and rerouted it to drain, no charge. Almost 33% cheaper then quote from Enercare, which was the company we dealt with and had insurance with for 8 years. No yearly fee for cleaning/insurance, saves 300 a year. Courteous, professional, fast, and friendly. My wife and I have been recommending them to everyone we know and meet, and will continue to do so. Thanks for everything, Twintech!!!
Mar 4, 2019
This company was great to deal with. Our furnace went down and they installed a new furnace the next day with a lot of professionalism!
Feb 22, 2019
Finally! An honest company with highly knowledgeable and informative staff. Had a furnace service and found multiply errors in our system from an amateur installer. Very fair price to correct problems and will definitely use again.
Feb 16, 2019
Had to replace the heating & a/c unit in a condo apartment dwelling. this company recommended by the property manager and president of the condo building. found their workmanship and attention to details very good and very thorough. were able to resolve small problems and situations and happy to feel the heat in my unit. it's pricey, but happy was done by a very professional service. thank you.
Feb 13, 2019
Fantastic team. Completed the job as per the specifications and in under 3 hours. Highly recommended Twintech.
Jan 30, 2019
During the summer, I previously hired TwinTech to replace my air conditioner when it failed. They did an excellent job so when I decided to proactively replace the furnace I contacted them. The furnace I had was 22 years old and showed signs of internal leakage. It still worked but rather than wait to have it fail in cold weather, I decided to purchase a higher efficiency model before it failed and take advantage of energy efficiency rebates. TwinTech offered very useful advice on the make and model of furnace to choose including high efficiency and variable speed motor. The price was reasonable, TwinTech arrived at the allotted time, installed the new furnace (including some re-routing of exhaust lines since the existing ones were too close to other vents), removed the old furnace, tested the installation and cleaned everything up. Overall, it was a good experience, they did a great job and the new furnace is working well.
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