Sanyo KGS1411, CG1411 Outdoor Unit Power Supply Failure, Outdoor Unit Power Transformer Defective

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12-3-7. Outdoor Unit Power Supply Failure

Measure voltage between Terminals 5 – 6 on terminal block of outdoor unit.

Set temperature by remote controller so conditioner operates under Thermo. ON in either cooling or heating operation, then start operation. Then measure voltage between Terminals 1 – 2 on terminal block of outdoor unit.

Caution: It is not possible to measure while 3-minute restart timer is in operation.

Normal

AC 104 – 126 V

*Use a circuit tester (set to AC range).

In case of abnormality Check connection of inter-unit cable.

No abnormalities, replace indoor unit PCB.

No abnormalities, proceed to check 12-3-8.

12-3-8. Outdoor Unit Power Transformer Defective

Check voltage of power transformer.

Measure voltage of 4P connector (CN10A), 3P connector (CN10B) and 2P connector (CN09) of indoor unit PCB (without disconnecting connectors).

 

4P, CN10A

RED – RED

20

– 30 V

 

 

 

 

 

 

Normal

BLU – BLU

10

– 15 V

 

 

 

3P, CN10B

YEL – YEL

85 – 115 V

 

 

 

 

 

 

 

 

 

 

CN09

ORG – ORG

104

– 126 V

* Use a circuit tester (set to AC range).

Caution: Care should be taken that the tips of the tester rods do not touch each other since the circuit is electrically charged.

In case of abnormality Replace power transformer.

No abnormalities, replace outdoor unit PCB.

12-3-9. Outdoor Unit Compressor Motor Overload Relay Has Operated

Caution: Carry out this check only after cutting power at the mains or disconnecting unit from the power supply.

Check temperature overload relay for continuity.

Normal

1 Ω or less

* Use a circuit tester (set to Ω range).

In case of abnormality Check it again after more than 30 minutes (wait for it to cool down). If the result is the same, replace the temperature overload relay.

No abnormalities, check wiring to overload relay.

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Contents GAS Heater AIR Conditioner Case of Improper Installation When Installing…When Transporting When Connecting Refrigerant TubingTable of Contents Iii TroubleshootingOperating Range Temperature Indoor Air Intake Temp Outdoor Air Intake TempUnit Specifications SpecificationsKGS1411 CG1411Governor Setting Pressure Dimensions & WeightSafety Devices BurnerIndoor Unit Major Component SpecificationsGas Connection Outdoor UnitCompressor External FinishRefrigerant Heater NozzleCombination Gas Valve IgniterTransformer ATR-1581T2-U Other Component SpecificationsThermistor Coil sensor Thermistor Room sensorAuto Reset Temperature Limiting Power Relay PRTransformer TR 4FF4L510034000 Thermistor 1 Discharge pressure PB3M-41EUnit Dimensional DataLocation of Service Valves PCB a Internal ComponentsPTC Combination Gas Valve Proportional Control Valve Major ComponentsGas Nozzle Combustion Blower Main BurnerRefrigerant Heater Refrigerant Flow Diagram Refrigerant Flow DiagramCooling Characteristics Performance ChartsHeating Characteristics Performance DataCooling Air Throw Distance ChartsHeating Cooling Capacity 100 Heating CapacityElectrical Data Electrical CharacteristicsCG1411 Cooling Indoor unit KGS1411 Electric Wiring DiagramsBM RV1 RV2 GV1 GV2 SD3 Printed circuit board POW-CG1411Installation Site Selection Installation InstructionsHot air Heat source Outdoor unit Obstacle above Wiring System Diagram Recommended Wire Length and DiameterMounting on a Wall Remote Control Unit Installation PositionRemovable mounting Non-removable mountingMotion Explanation FunctionHeating CoolingCombustion Control Safety ControlsCombustion Cooling Room Temperature ControlFreeze Prevention Cooling Heating Thermistor Refrigerant ControlCombustion Saving Function Reset FunctionSave Function Cold Draft Prevention Function During Heating Operation During Cooling Operation Automatic fan speed Fan Speed ControlDry Operation Dehumidification Normal Automatic OperationChanging fan speed Automatic During Cooling OperationCooling / Dry Cooling Zone Dry a Zone Freeze PreventionDry B Zone Overload Prevention Heating Cooling, Dry Operation FlowchartsOperation starts Operation lamp Procedure for Dismantling the Indoor Unit Procedure for Dismantling the UnitHow to remove grille How to remove PCBsHow to remove drain pan How to remove electrical component boxHow to detach fan and fan motor How to detach heat exchangerHow to remove the external panels Procedure for Dismantling the Outdoor UnitHow to detach the rear panel How to detach the combustion blowerHow to detach combination valve How to detach combination valve and gas conduitHow to detach burner unit How to detach ignition probe and flame sensor electrodeHow to detach gas nozzle Points to Diagnose Indoor Unit Alarm SignalManifold Pressure Components Checking Electrical Components11-3-3 Outdoor Unit 11-3-2 Indoor UnitCheck Before and After Troubleshooting TroubleshootingAbnormalities in Power Transformer Malfunction in Power SupplyIncorrect Wiring of Inter-unit Wiring Protective Circuit of Outdoor Burner Unit Operated Thermistor Abnormality Indoor Unit OnlyIndoor Fan is Defective Power Circuit Wiring ErrorOutdoor Unit Power Transformer Defective Outdoor Unit Power Supply FailureOutdoor Unit Compressor Motor Overload Relay Has Operated Outdoor Unit Compressor Motor Defective Outdoor Unit Fan Does Not WorkOutdoor Unit Fan Motor Defective Heating Operation Not Possible Flap Motor Does Not WorkLouver Motor Defective Thermistor 1 DefectiveErroneous Flame Detection Safety Device OperatedIgnition Failure Erroneous Flame-Out Condition 12-6-8. ON/OFF Valve Failure Combustion Blower Motor Abnormal RevolutionReversing Valve Failure Reset Method When Error Occurs During Heating Operation DC0V Failure Display on Outdoor Unit and Correction MethodBLK/WHT Connector Attachment for Servicing Special Precautions When Servicing the UnitService on Outdoor Unit Refrigerant RecoveryEvacuation Using Vacuum Pump Refer to Service Valve Construction shown in FigRefrigerant Charging VolumeCharging Gradation Level before ChargingReattaching BLK/WHT Connectors for Operation Appendix What to do if YOU Smell GAS For Your Safety Read Before OperationAlert Symbols ContentsProduct Information Features Electrical Requirements Installation LocationSafety Instructions Air intakes Names of PartsAir outlet Outdoor Condensing UnitPower switch to turn off power completely OFF position does not disconnect the power. Use the mainTimer lamp ReceiverSET Temp Button Timer on button TEMP. setting buttonsTimer OFF button TransmitterHour off timer HR. Timer buttonGreen or red Auto Red HeatACL button Cover Using the Remote Control UnitUsing the Remote Control Unit Press the ON/OFF operation button Operation with the Remote Control UnitOperation with the Remote Control Unit Manual Operation When difference between Room temperature and set Automatic Cooling and DRY mode Heating mode ManualTemperature is Temperature is Over High Below 2 F MediumFan Only Night Setback Mode is used for saving energyButton Heating Mode Setting Temperature Press Hour TimeSetting Temperature Press Hour Hours Button TimeHow it works? Special RemarksHeating performance Clicking sound is heard from the air conditionerSetting procedure Using the 12-Hour on and OFF TimerCancellation procedure Press the Cancel button Using the 1-Hour OFF Timer Setting the airflow manually Adjusting the Airflow DirectionSweep function Care and Cleaning Operation without the Remote Control UnitCasing and Grille Indoor Unit How to replace the anti-mold filter Anti-mold filter How to remove the anti-mold filterAir intake grille Anti-mold filterFilter AirArm Tips for Energy Saving TroubleshootingOperating Range For Parts or Service Contact

KGS1411, CG1411 specifications

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