Sanyo CL0971, C1271, CL1271, C0971 service manual Self-diagnostics Lamps

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(1)Self-diagnostics Lamps

INDOOR UNIT

(1) OPERATION lamp

(2) TIMER lamp

(3) QUIET lamp

ION lamp

OPERATION button

REMOTE CONTROL receiver

Since the indications cover various units, the corresponding parts listed below may not be present in some models.

Indication on indoor unit

.... OFF

 

 

.... Blinking

.... ON (Illuminated)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Quiet

Timer

Operation

Code

Diagnostics items

 

 

 

 

 

Diagnostics contents

 

(3)

(2)

(1)

 

 

 

 

 

 

 

 

 

S01

Room temperature sensor failure

(1)

Sensor open circuit or short circuit

 

 

 

 

 

 

 

 

 

 

(2)

Contact failure at connector or open circuit at terminal crimping location

 

 

 

S02

Indoor heat exchanger sensor failure

 

 

 

 

(short-circuit detection only for the humidity sensor)

 

 

 

 

 

 

 

 

(3)

Indoor/outdoor PCboard failure

 

 

 

 

 

 

 

 

S03

Humidity sensor failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S04

Compressor temperature sensor failure

(1)

Sensor open circuit or short circuit

 

 

 

 

 

 

 

 

 

 

(2)

Contact failure at connector or open circuit at terminal crimping location

 

 

 

S05

Outdoor heat exchanger sensor failure

 

 

 

(3)

Outdoor PCboard failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S06

Outdoor air temperature sensor failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S07

Outdoor electrical current detection

Outdoor PCboard failure

 

 

 

 

 

 

 

 

 

 

failure

 

 

 

 

 

 

 

 

 

 

 

Indoor/outdoor communications failure

(1)

Mis-wiring

(2) AC power failure

(3) Blown fuse

(4) Power Relay failure

 

 

 

E01

(5)

Indoor or outdoor PCboard failure

(6) Outdoor Fan Motor failure (7) Reactor failure

 

 

 

(serial communications)

(8)

High-Pressure Switch failure

(9) Overload Relay failure

(10) Magnetic Coil failure

 

 

 

 

 

* See detailed flowchart in this section.

 

 

 

 

 

 

 

E02

• HIC circuit failure

(1)

HIC or power Tr failure (2) Outdoor fan does not turn.

(3) Instantaneous power outage

 

 

 

(4)

Service valve not opened.

(5) Outdoor fan blocked.

(6) Continuous overload operation

 

 

 

• Power Tr (transistor) circuit failure

 

 

 

 

 

(7)

Compressor failure

(8) Outdoor PCboard failure

 

 

 

 

 

 

 

E03

Outdoor unit external ROM (OTP data)

(1)

External ROM data failure

 

(2) Outdoor PCboard failure

 

 

 

 

failure

 

 

 

 

 

E04

Peak current cut-off

(1)

Instantaneous power outage

(2) HIC or power transistor failure

 

 

 

(3)

Outdoor PCboard failure

 

 

 

 

 

 

 

 

 

 

E05

PAM circuit failure

(1)

Outdoor PCboard failure

(2) Outdoor power supply voltage failure

 

 

 

Active circuit failure

 

 

 

E06

Compressor discharge overheat

(1) Electric expansion valve failure

(2) Capillaries choked

(3) Shortage of refrigerant

 

 

 

prevention activated.

(4) Continuous overload operation

(5) Outdoor fan does not rotate

(6) Outdoor PCboard failure

 

 

 

E07

Indoor fan operating failure

(1)

Fan motor failure

(2) Contact failure at connector

 

(3) Indoor PCboard failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E08

4-way valve switching failure

(1)

4-way valve failure (heat pump model only)

 

 

 

 

 

 

 

Indoor zero-cross failure

(2)

Outdoor PCboard failure

 

 

 

 

 

 

 

 

 

 

E09

No-refrigerant protection

(1)

Service valve not opened.

 

(2) Shortage of refrigerant

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E10

DC compressor drive circuit failure

(1)

Open phase

(2) Outdoor PCboard failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E11

Outdoor fan operating failure

(1)

Fan motor failure

(2) Contact failure at connector

 

(3) Outdoor PCboard failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor system communications failure

(1)

Mis-wiring

(2) Blown fuse

(3) Power Relay failure

 

(4) Outdoor PCboard failure

 

 

 

E12

OLR operation

(5)

Compressor failure

 

 

 

 

 

 

 

 

 

 

 

Outdoor power supply open phase

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor coil freezing

* See detailed flowchart in this section.

 

 

 

 

 

 

 

E13

Freeze-prevention operation activated.

(1)

Indoor fan system failure

(2) Shortage of refrigerant

(3) Low-temperature operation

41

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Contents KS0971 + C0971 + CL0971 KS1271 + C1271 + CL1271 DC Inverter Split System AIR ConditionerPlease Read Before Starting Table of Contents Checking Electrical Components Models KS0971 + CL0971 KS1271 + CL1271 Operating RangeModels KS0971 + C0971 KS1271 + C1271 Unit Specifications SpecificationsKS0971 C0971C1271 KS1271CL0971 CL1271 Indoor Unit Major Component SpecificationsCB-KS1271 Microprocessor 250V 3A Outdoor Unit C0971 Outdoor UnitOutdoor Unit C1271 Outdoor Unit CL0971 Outdoor Unit CL1271 Other Component Specifications Indoor Unit KS0971 Dimensional DataCL0971 CL1271 Outdoor Unit C0971 C1271Refrigerant Flow Diagram Refrigerant Flow DiagramInsulation of Refrigerant Tubing After a tube has been insulated To break or crackPerformance Data Temperature ChartsIndoor Unit KS0971  Outdoor Unit CL0971 Indoor Unit KS1271  Outdoor Unit C1271 Indoor Unit KS1271  Outdoor Unit CL1271 C0971 / CL0971 Power Supply 115V Single Phase 60Hz Cooling CapacityCooling Capacity C1271 / CL1271 Cooling Capacity Low Ambient 11,900 BTU/h Room air temp F 26.7C Fan speed High Horizontal distance ft Air Throw Distance ChartsCooling Vertical distance ft Air Axis Vertical C0971 Cooling Electrical CharacteristicsElectrical Data C1271 Cooling CL12718FA2-5257-71600-0 Electric Wiring DiagramsIndoor Unit KS0971 KS1271 WHT RED Outdoor Unit C0971 C1271Outdoor Unit CL0971 CL1271 Address Setting of the Remote Control Unit MaintenanceHow to Connect How to DisconnectOperation Functions FunctionsEmergency operation PAM- controlLamp colors Timer backupProtective Functions Compressor discharge temperature controlFreeze prevention CT Peak current cut-off controlMethod of Self-Diagnostics TroubleshootingPrecautions before Performing Inspection or Repair Self-diagnostics Lamps Checking the Indoor and Outdoor Units Using the TEST/T-RUN terminalsReplace the controller Replace the circuit board or the fuseOff Blinking Illuminated Serial Communication Error Identification ProcedureBefore the Operation Condition E01Terminal board Outdoor Unit Condition E12 Outdoor Fan Motor Trouble Diagnosis of Fan MotorElectromagnetic interference Noise Malfunction and Electromagnetic InterferenceNoise malfunction Checking Electrical Components Power Supply CordMeasurement of Insulation Resistance Measurement of Insulation Resistance for Electrical PartsChecking Continuity of Fuse on PCB Assy Characteristics of New Refrigerant R410A Refrigerant R410A Special Precautions When Servicing UnitWhat is New Refrigerant R410A? CharacteristicsChecklist before Servicing Tools Specifically for R410A Tubing Installation ProceduresCase of Compressor Malfunction Procedure for Replacing CompressorUnit. This may cause Never charge a large amountDamage to the compressor ExampleRecharging Case Refrigerant is LeakingWelding leaking points Charging Additional Refrigerant When Tubes are ExtendedRetro-Fitting Existing Systems Use of Existing UnitsKS0971 + C0971 + CL0971 KS1271 + C1271 + CL1271 Features Product Information ContentsAlert Symbols Electrical Requirements Installation LocationSafety Instructions Names of Parts This lamp lights during operation in the Quiet mode Green and FAN green modeUnit Display and Operation Button Quiet lampRemote Control Unit Display HR. Timer button Remote Control UnitAdvance button TransmitterSet times every day. For details, see Setting the Timer Setting to provide a quieter operating soundAir conditioner reduces the humidity in the room Air conditioner makes the room coolerACL button ALL Clear Using the Remote Control UnitHow to Install Batteries Using the Remote Control Unit Press the Mode selector button and select the desired mode Operation with the Remote Control UnitPress the TEMP. setting buttons to change the temperature Set the FAN Speed selector button to the setting you wantPress the ON/OFF operation button Operation with the Remote Control UnitNight Setback Mode is used for saving energy Cooling and DRY ModeQuiet Mode Clicking sound is heard from the air conditioner Power failure during operationSpecial Remarks Operation Indication Setting the TimerExample To set to 1030 pm How to set the on time Example To start operation at 710 am Setting the TimerTo cancel a timer program Press the Cancel button 1030 pm 710 am 1100 am Present timeSetting procedure Using the 1-Hour OFF TimerCancellation procedure Operation together with the Daily ON/OFF Repeat TimerSetting the airflow manually Adjusting the Airflow DirectionHorizontal Sweep functionWhen the air conditioner is not running Care and CleaningOperation without the Remote Control UnitCleaning Care and CleaningIntake grille Press in the bottom rightWashing the grille with water Air clean filter How to clean the air clean filterFilter Negative ion generator metal electrodes inside plastic caseTrouble Possible Cause Remedy TroubleshootingOperating Range Appendix B Installation Instructions Contents Installation InstructionsPlease Read Before Starting Accessories Supplied with Unit Table Tools Required for Installation not suppliedGeneral Optional Copper Tubing KitAdditional Materials Required for Installation Installation Site SelectionBaffle Plate for the Outdoor Unit CLxx models only Air Intake Baffle Air Discharge Baffle Recommended dimensions of the baffle platesFor Air Intake For Air DischargePrecautions for installation Installation procedure Air Intake BaffleMake a Hole How to Install the Indoor UnitRemove the Rear Panel from the Unit If Block, Brick, Concrete or Similar Type Wall Install the Rear Panel on the WallIf Wooden Wall How to remove the grille Remove the Grille to Install the Indoor UnitHow to replace the grille Be sure to wear work glovesShape the Indoor Side Tubing Wiring Instructions General precautions on wiringDisconnect switch may be required by national or local codes Recommended Wire Length and DiameterWiring Instructions for Inter-unit Connections Fore, be sure all wiring is Loose wiring may causeHow to connect wiring to the terminal For Indoor Unit For Outdoor Unit For solid core wiring or F-cableRight-side tubing MountingDrain cap Switching drain hose and drain capLeft-side tubing Tubing and wiring to the out Do not supply power toTo unmount indoor unit Unit or operate it until allWiring Instructions for the Outdoor Unit How to Install the Outdoor UnitFirst refer to . Installation Site Selection Use of the Flaring Method Flaring Procedure with a Flare ToolRefrigerant Tubing Finishing the Installation Connecting Tubing between Indoor and Outdoor UnitsInsulation of Refrigerant Tubing To prevent heat loss and wet floors due to dripping of conAir Purging Hex wrench before Be sure to completely insertThis may cause the refriger Ant gas to leak. In order toHow to Test Run the Air Conditioner Pump Down Basic Functions of the Service ValvesMounting on a Wall Remote Control Unit Installation PositionAddress Setting of the Remote Control Unit Address Switch

CL0971, C1271, C0971, CL1271 specifications

The Sanyo CL1271, C0971, C1271, and CL0971 are a series of advanced audio and video technologies that showcase Sanyo's commitment to innovation and quality in consumer electronics. These models exemplify solid performance and versatility, catering to a wide range of user needs.

The Sanyo CL1271 is recognized for its compact design and robust functionality. It features high-definition video output, which elevates the viewing experience with crisp images and vibrant colors. Its energy-efficient design is an asset for users who are conscious of power consumption while still seeking premium performance. The device also incorporates advanced audio technologies, ensuring that sound quality matches the high-definition visuals. The integration of built-in speakers eliminates the need for additional audio equipment, making the CL1271 a convenient choice for casual viewing.

The Sanyo C0971 stands out for its user-friendly interface and connectivity features. Equipped with multiple ports, it supports various multimedia inputs, including HDMI, USB, and VGA. This adaptability allows users to connect an array of devices, making it an excellent choice for presentations or media playback. The C0971 also employs sophisticated image processing technology, enhancing the clarity and detail of both video and images. With a focus on ease of use, its intuitive menu navigation allows even novice users to access the full range of features without difficulty.

The Sanyo C1271 builds on the foundation established by its predecessors, adding additional enhancements in terms of screen resolution and color accuracy. With a full HD display, it offers exceptional picture quality that is ideal for both entertainment and educational purposes. This model is particularly suited for professional environments, thanks to its superior performance in bright settings. The C1271's durability and reliability are other key points, making it a long-term investment for users who value quality.

Finally, the Sanyo CL0971 combines portability with powerful features, making it an ideal option for individuals on the go. Its lightweight design ensures easy transport, while the battery life enables prolonged usage without the need for frequent recharges. This model's advanced connectivity options further enhance its versatility, allowing seamless integration with smartphones and tablets.

Overall, the Sanyo CL1271, C0971, C1271, and CL0971 represent a comprehensive solution for anyone seeking high-quality audio-visual equipment. With distinct features and technologies, these models cater to a diverse range of needs, ensuring that users experience the best of what Sanyo has to offer.