Sanyo CG1411, KGS1411 Malfunction in Power Supply, Abnormalities in Power Transformer

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12-2. When the Air Conditioner Does Not Work at All (Both Indoor and Outdoor Units) — Operation Lamp Does Not Light

12-2-1. Malfunction in Power Supply

Check if operation selector of the indoor unit is set to ON. If it is not, set the switch to ON.

Check if the circuit breaker is disengaged or if electricity is not being supplied properly.

Normal

AC 104 – 126 V

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

In case of abnormality Check power source

No abnormalities, proceed to 12-2-2.

12-2-2. Abnormalities in Power Transformer

Check voltage on the secondary core side.

Measure voltage 2P connector of TRANS 2 (without disconnecting connectors).

Normal

TRANS 2

BRN – BRN

AC 12 – 18 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 the power transformer.

12-3. Operation Lamp Blinks (It Keeps Blinking after 3 Minutes Following Start of Operation)

If the operation lamp continues to blink more than 3 minutes, check for the following possible causes in this order:

(1)Incorrect Wiring of Inter-unit Wiring (connector No. 1 – 4)

(2)Thermistor Abnormality (Indoor Unit Only)

(3)Protective Circuit of Outdoor (Burner) Unit Operated (during heating operation only)

(4)CT Detection

(5)Indoor Fan is Defective

(6)Power Circuit Wiring Error

(7)Outdoor Unit Power Supply Failure

(8)Outdoor Unit Power Transformer Defective

(9)Outdoor Unit Compressor Motor Overload Relay Has Operated

(10)Outdoor Unit Compressor Motor Defective

12-3-1. Incorrect Wiring of Inter-unit Wiring

If the blinking of the operation lamp occurs upon initial operation following installation work, incorrect wiring of inter-unit cable between indoor and outdoor units is likely. Correctly rewire the inter-unit cable.

Caution: Be sure to turn off the circuit breaker switch before carrying out the wiring work.

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Contents GAS Heater AIR Conditioner When Transporting When Installing…Case of Improper Installation When Connecting Refrigerant TubingTable of Contents Troubleshooting IiiTemperature Indoor Air Intake Temp Outdoor Air Intake Temp Operating RangeKGS1411 SpecificationsUnit Specifications CG1411Safety Devices Dimensions & WeightGovernor Setting Pressure BurnerMajor Component Specifications Indoor UnitCompressor Outdoor UnitGas Connection External FinishCombination Gas Valve NozzleRefrigerant Heater IgniterThermistor Coil sensor Other Component SpecificationsTransformer ATR-1581T2-U Thermistor Room sensorTransformer TR 4FF4L510034000 Power Relay PRAuto Reset Temperature Limiting Thermistor 1 Discharge pressure PB3M-41EDimensional Data UnitLocation of Service Valves Internal Components PCB aPTC Combination Gas Valve Proportional Control Valve Major ComponentsGas Nozzle Main Burner Combustion BlowerRefrigerant Heater Refrigerant Flow Diagram Refrigerant Flow DiagramHeating Characteristics Performance ChartsCooling Characteristics Performance DataCooling Air Throw Distance ChartsHeating Cooling Capacity Heating Capacity 100Electrical Data Electrical CharacteristicsCG1411 Cooling Electric Wiring Diagrams Indoor unit KGS1411BM RV1 RV2 GV1 GV2 Printed circuit board POW-CG1411 SD3Installation Instructions Installation Site SelectionHot air Heat source Outdoor unit Obstacle above Recommended Wire Length and Diameter Wiring System DiagramRemovable mounting Remote Control Unit Installation PositionMounting on a Wall Non-removable mountingHeating FunctionMotion Explanation CoolingCombustion Control Safety ControlsCombustion Room Temperature Control CoolingFreeze Prevention Cooling Heating Refrigerant Control ThermistorCombustion Saving Function Reset FunctionSave Function Cold Draft Prevention Function During Heating Operation Fan Speed Control During Cooling Operation Automatic fan speedDry Operation Dehumidification Changing fan speed Automatic Automatic OperationNormal During Cooling OperationCooling / Dry Cooling Zone Dry a Zone Freeze PreventionDry B Zone Overload Prevention Heating Operation Flowcharts Cooling, DryOperation starts Operation lamp How to remove grille Procedure for Dismantling the UnitProcedure for Dismantling the Indoor Unit How to remove PCBsHow to remove electrical component box How to remove drain panHow to detach heat exchanger How to detach fan and fan motorHow to detach the rear panel Procedure for Dismantling the Outdoor UnitHow to remove the external panels How to detach the combustion blowerHow to detach combination valve and gas conduit How to detach combination valveHow 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 Checking Electrical Components Components11-3-2 Indoor Unit 11-3-3 Outdoor UnitTroubleshooting Check Before and After TroubleshootingAbnormalities in Power Transformer Malfunction in Power SupplyIncorrect Wiring of Inter-unit Wiring Thermistor Abnormality Indoor Unit Only Protective Circuit of Outdoor Burner Unit OperatedPower Circuit Wiring Error Indoor Fan is DefectiveOutdoor 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 Louver Motor Defective Flap Motor Does Not WorkHeating Operation Not Possible 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 Failure Display on Outdoor Unit and Correction Method DC0VSpecial Precautions When Servicing the Unit BLK/WHT Connector Attachment for ServicingEvacuation Using Vacuum Pump Refrigerant RecoveryService on Outdoor Unit Refer to Service Valve Construction shown in FigCharging Gradation Level before VolumeRefrigerant Charging ChargingReattaching BLK/WHT Connectors for Operation Appendix For Your Safety Read Before Operation What to do if YOU Smell GASAlert Symbols ContentsProduct Information Features Installation Location Electrical RequirementsSafety Instructions Air outlet Names of PartsAir intakes Outdoor Condensing UnitTimer lamp OFF position does not disconnect the power. Use the mainPower switch to turn off power completely ReceiverSET Temp Timer OFF button TEMP. setting buttonsButton Timer on button TransmitterGreen or red Auto HR. Timer buttonHour off timer Red HeatUsing the Remote Control Unit ACL button CoverUsing the Remote Control Unit Operation with the Remote Control Unit Press the ON/OFF operation buttonOperation with the Remote Control Unit Manual Operation Temperature is Automatic Cooling and DRY mode Heating mode ManualWhen difference between Room temperature and set Temperature is Over High Below 2 F MediumNight Setback Mode is used for saving energy Fan OnlySetting Temperature Press Hour Hours Setting Temperature Press Hour TimeButton Heating Mode Button TimeHeating performance Special RemarksHow it works? 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 Air intake grille Anti-mold filter How to remove the anti-mold filterHow to replace the anti-mold filter Anti-mold filterFilter AirArm Tips for Energy Saving TroubleshootingOperating Range For Parts or Service Contact

KGS1411, CG1411 specifications

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