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Ducane Air Conditioner Error Codes
If you're looking for help fixing your Ducane Air Conditioner, look no further! Our comprehensive Ducane Air Conditioner error code guide will explain common issues, provide tips, and show you how to read your model's error codes.
CODE: POWER (Green).
PROBLEM: Module has power
FIX: Supply voltage is present at module terminals.
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.
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Ducane Air Conditioner Error Codes
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Very pleased with recent complete A/C purchase. Unit works exceptionally well. The technician, Azi, did a great job installing & explaining functions of the unit. He was very courteous & professional during entire process. Highly recommend!
Both AC units are performing better than expected. In 90+ degree weather, my home is extremely cool. I'm very pleased.
Rated this 4 stars only because I wish it was quieter than it is when operating. It replaced a 14 year old condenser with a failed compressor. The new unit is only marginally quieter than the old unit.
I am very happy with this unit that I purchased definitely worth the money . Keeps my house nice and comfortable and that's very important here in South Texas.
So far our new Air conditioner is working great. Our installer was very professional and communicated with us every stepbof the way. Simply Stellar. A huge Thank you to American Air & Appliance. We recommend American Air & Appliance to anyone nerding Service work or an entirely new AC & heating unit.