If you’re looking for help fixing your Ducane air conditioner, look no further! Our comprehensive Ducane air conditioner repair guide will explain common issues, provide troubleshooting tips, and show you how to read your model’s error codes.
CODE: TRIP (Red).
PROBLEM: Thermostat demand signal Y1 is present, but the compressor is not running
FIX: 1. Compressor protector is open – Check for high head pressure – Check compressor supply voltage 2. Outdoor unit power disconnect is open 3. Compressor circuit breaker or fuse(s) is open 4. Broken wire or connector is not making contact 5. Low pressure switch open if present in system 6. Compressor contactor has failed open.
CODE: ALERT (Yellow) Flash Code 1.
PROBLEM: Long Run Time Compressor is running extremely long run cycles
CODE: ALERT (Yellow) Flash Code 2.
PROBLEM: System Pressure Trip Discharge or suction pressure out of limits or compressor overloaded
FIX: 1. High head pressure – Check high pressure switch if present in system – Check if system is overcharged with refrigerant – Check for non-condensable in system 2. Condenser coil poor air circulation (dirty, blocked, damaged) 3. Condenser fan is not running – Check fan capacitor – Check fan wiring and connectors – Check fan motor for failure or blockage 4. Return air duct has substantial leakage 5. If low pressure switch present in system, check Flash Code 1 information.
CODE: ALERT (Yellow) Flash Code 3.
PROBLEM: Short Cycling Compressor is running only briefly
FIX: 1. Thermostat demand signal is intermittent 2. Time delay relay or control board defective 3. If high pressure switch present, go to Flash Code 2 information 4. If low pressure switch present, go to Flash Code 1 information.
CODE: ALERT (Yellow) Flash Code 4.
PROBLEM: Locked Rotor
FIX: 1. Run capacitor has failed 2. Low line voltage (contact utility if voltage at disconnect is low) – Check wiring connections 3. Excessive liquid refrigerant in compressor 4. Compressor bearing are seized 5. Measure compressor oil level.
CODE: ALERT (Yellow) Flash Code 5.
PROBLEM: Open Circuit
FIX: 1. Outdoor unit power disconnect is open 2. Compressor circuit breaker or fuse(s) is open 3. Compressor contactor has failed open – Check compressor contactor wiring and connectors – Check for compressor contactor failure (burned, pitted, or open) – Check wiring and connectors between supply and compressor – Check for low pilot voltage at compressor contactor coil 4. High pressure switch is open and requires manual reset 5. Open circuit in compressor supply wiring or connections 6. Unusually long compressor protector reset time due to extreme ambient temperature 7. Compressor windings are damaged – Check compressor motor winding resistance.
CODE: ALERT (Yellow) Flash Code 6.
PROBLEM: Open Start Circuit. Current only in run circuit
FIX: 1. Run capacitor has failed 2. Open circuit in compressor start wiring or connections – Check wiring and connectors between supply and the compressor S terminal 3. Compressor start winding is damaged – Check compressor motor winding resistance.
CODE: ALERT (Yellow) Flash Code 7.
PROBLEM: Open Run Circuit. Current only in start circuit.
FIX: 1. Open circuit in compressor run wiring or connections – Check wiring and connectors between supply and the compressor R terminal 2. Compressor run winding is damaged – Check compressor motor winding resistance.
CODE: ALERT (Yellow) Flash Code 8.
PROBLEM: Welded Contactor. Compressor always runs
FIX: 1. Compressor contactor has failed closed 2. Thermostat demand signal not connected to module.
CODE: ALERT (Yellow) Flash Code 9.
PROBLEM: Low Voltage. Control circuit less than 17VAC
FIX: 1. Control circuit transformer is overloaded 2. Low line voltage (contact utility if voltage at disconnect is low) – Check wiring conditions.
What Our Clients Are Saying About Us
I would like to recommend your company to anyoneNovember 12, 2020
Your company KDM Home & Gas has just installed the CV 50 water heater to my house. The installation process was so smooth. You guys put on the carpet runner in order to avoid any scratch and damage to the carpet and the floor. Your professional guidance has highlighted the B Vent should be installed for the chimney exhaust in order to comply with the building & safety code. You have even performed leak test & dial test in order to make sure the whole installation is in a perfect manner. The registration of the warranty is also very convenient and easy.
I really appreciated that you came to my house to inspect the situation and provide the quotation to me before we decide to get the new water heater. The whole process was so smooth and communicate very well. You return all my text message on the same day basis or even within short time. I would like to recommend your company to anyone.
Work was done neatly. Can barely see the pipe that was installedNovember 12, 2020
Work was done neatly. Can barely see the pipe that was installed. Priced really well.
KDM's cost was amazingly reasonable compared to all other quotesNovember 12, 2020
The tricky plumbing job was completed carefully and thoroughly . Daniel even did extra to make the job proper, within the quote . He patiently explained the work needed before and after completion . In good time, he returned calls and messages, detailed the work, listed every cost honestly, and answered any questions pleasantly . Daniel and his partner were always courteous, and respectful to keep the work clean in my house .
The replaced part is of high quality, thank you ! And his cost were amazingly reasonable compared to all other quotes.
I would recommend this company to anyone who is looking for a professional job at a reasonable priceNovember 12, 2020
KDM did a very professional job paying attention to safety and TSSA codes for this type of work.
At the end of the job they tested all gas fired appliances as they had the main gas off to preform this job, and made sure everything was working proper.
I would recommend this company to anyone who is looking for a professional job at a reasonable price.
I would recommend KDM Home Gas to anyone looking for quality home repair servicesNovember 12, 2020
Daniel was really great to work with. His communication and genuine care for the work being done made all the difference in the world to me especially as we’ve never had good experiences with contractors in the past.
Daniel showed up when he said he would, and took his time to explain to me what caused my humidifier to malfunction. His customer service skills are superior and his quality workmanship made the experience a pleasant one.
I would recommend KDM Home Gas to anyone looking for quality home repair services to their heating or cooling units.
Thank you guys! We couldn’t be happierNovember 12, 2020
Dan and his team were extremely professional, courteous, and clean. They showed up on time, and completed the installation exactly when they said they would finish by. Thank you guys ! We couldn’t be happier.
I highly recommend KDM HomeNovember 12, 2020
Daniel, Shane and Steve did a great job replacing our 3 appliances today. They’re true professionals that pride themselves on making sure everything is done correctly, within budget and on time. They answered all my questions and were more than willing to give helpful advice. I highly recommend KDM Home.
I would recommend KDM Home & Gas to anyone looking for great service at a good price.November 12, 2020
After our old (20+ years) unit gave out, I used HomeStars to obtain quotes for a replacement. Within 30 minutes of posting, I was speaking with Daniel, who was polite and helpful throughout the process. He offered a fair price and a few different products to choose from, and was able to do the installation the same week. I would recommend KDM Home & Gas to anyone looking for great service at a good price.
Great guys Daniel and Shane did an excellent jobNovember 12, 2020
Great guys Daniel and Shane did an excellent job clean efficient and on time also very knowledgeable will have them back to replace furnace.
KDM did our fireplace gas line and heat ventingNovember 12, 2020
We’re finishing our basement and had a gas line out in for a fireplace, as well as a heating vent out in bathroom.