ruud air conditioner codes

If you’re looking for help fixing your Ruud air conditioner, look no further! Our comprehensive Ruud air conditioner repair guide will explain common issues, provide troubleshooting tips, and show you how to read your model’s error codes.

CODE: Green “POWER”.
PROBLEM: Module has power.
FIX: Supply voltage is present at module terminals.

CODE: Red “TRIP”.
PROBLEM: Thermostat demand signal Y1 is present, but the compressor is not running.
FIX: Compressor internal overload is open. Broken wire or connector is not making contact. Low pressure switch open, if present. Compressor contactor has failed open.

CODE: Yellow “ALERT” Flash Code 1.
PROBLEM: Long Run Time Compressor is running extremely long run cycles.
FIX: Low refrigerant charge. Evaporator blower is not running. Evaporator coil is frozen. Faulty TXV. Condenser coil is dirty. Liquid line restriction (filter drier blocked if present in system). Thermostat is malfunctioning.

CODE: Yellow “ALERT” Flash Code 2.
PROBLEM: System Pressure Trip Discharge or suction pressure out of limits or compressor overloaded.
FIX: Condenser coil poor air circulation (dirty, blocked, damaged). Condenser fan is not running. Return air duct has substantial leakage. If low pressure switch is present, check flash code (1) information.

CODE: Yellow “ALERT” Flash Code 3.
PROBLEM: Short Cycling Compressor is running only briefly.
FIX: High head pressure. Thermostat demand signal is intermittent. Time delay relay defective, if present. Hot gas sensor defective, if present.

CODE: Yellow “ALERT” Flash Code 4.
PROBLEM: Locked Rotor.
FIX: Run capacitor has failed. Low line voltage (contact utility if voltage at disconnect is low). Excessive liquid refrigerant in compressor. Compressor bearings are seized.

CODE: Yellow “ALERT” Flash Code 5.
PROBLEM: Open Circuit.
FIX: Compressor contactor has failed open. High pressure switch is open, If present. Open circuit in compressor supply wiring or connections. Unusually long compressor protector reset time due to extreme ambient temperature. Compressor windings are damaged.

CODE: Yellow “ALERT” Flash Code 6.
PROBLEM: Open Start Circuit Current only in run circuit.
FIX: Run capacitor has failed. Open circuit in compressor start wiring or connections. Compressor start winding is damaged.

CODE: Yellow “ALERT” Flash Code 7.
PROBLEM: Open Run Circuit Current only in start circuit.
FIX: Open circuit in compressor run wiring or connections. Compressor run winding is damaged.

CODE: Yellow “ALERT” Flash Code 8.
PROBLEM: Welded Contactor Compressor always runs.
FIX: Compressor contactor has failed closed. Thermostat demand signal not connected to module.

CODE: Yellow “ALERT” Flash Code 9.
PROBLEM: Low Voltage Control circuit < 17VAC.
FIX: Control circuit transformer is overloaded. Low line voltage (contact utility if voltage at disconnect is low).

ruud air conditioner codes

 


What Our Clients Are Saying About Us

I would like to recommend your company to anyone

Wing Sang LeungNorth York, Ontario

Work was done neatly. Can barely see the pipe that was installed

Ellen McaleerOshawa, Ontario

KDM's cost was amazingly reasonable compared to all other quotes

Don GibsonMarkham, Ontario

I would recommend this company to anyone who is looking for a professional job at a reasonable price

Don BlakeWhitby, Ontario

I would recommend KDM Home Gas to anyone looking for quality home repair services

Giselle DharmiWhitby, Ontario

Thank you guys! We couldn’t be happier

Maria & Steve HalvorsonPickering, Ontario

I highly recommend KDM Home

Frank HowardWhitby, Ontario

I would recommend KDM Home & Gas to anyone looking for great service at a good price.

Josh TaylorAjax, Ontario

Great guys Daniel and Shane did an excellent job

George TrajkovskiAjax, Ontario

KDM did our fireplace gas line and heat venting

Maria & Steve Halvorson Oshawa, Ontario