Sanyo C1872, C2472, CL2472, CL1872 service manual Self-diagnostics Lamps, S01

Page 49

(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 item

 

 

 

 

 

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 circuit board 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 circuit board failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S06

Outdoor air temperature sensor failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S07

Outdoor electrical current detection

Outdoor circuit board failure

 

 

 

 

 

 

 

 

failure

 

 

 

 

 

 

 

 

E01

Indoor/outdoor communications failure

(1)

Mis-wiring

(2) AC power failure

(3) Blown fuse

(4) Power relay failure

 

 

 

(serial communications)

(5)

Indoor or outdoor circuit board failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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 circuit board failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E03

Outdoor unit external ROM (OTP data)

(1)

External ROM data failure

 

(2) Outdoor circuit board failure

 

 

 

failure

 

 

 

 

 

 

 

 

 

 

 

 

 

E04

Peak current cut-off

(1)

Instantaneous power outage (2) HIC or power transistor failure

 

 

 

(3)

Outdoor circuit board failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E05

PAM circuit failure

(1)

Outdoor circuit board 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 circuit board failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E07

Indoor fan operating failure

(1)

Fan motor failure

(2) Contact failure at connector

(3) Indoor circuit board failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E08

4-way valve switching failure

(1)

4-way valve failure (heat pump model only)

 

 

 

 

 

Indoor zero-cross failure

(2)

Outdoor circuit board 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 circuit board failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E11

Outdoor fan operating failure

(1)

Fan motor failure

(2) Contact failure at connector

(3) Outdoor circuit board failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor system communications failure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E12

Outdoor high-pressure SW

(1)

Mis-wiring

(2) Blown fuse

 

(3) Power relay failure

(4) Open phase

 

 

 

OLR operation

(5)

Outdoor circuit board failure

(6) Compressor failure

 

 

 

 

 

Outdoor power supply open phase

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Outdoor coil freezing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E13

Freeze-prevention operation activated.

(1)

Indoor fan system failure

(2) Shortage of refrigerant

(3) Low-temperature operation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

49

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Contents KS1872 + C1872 + CL1872 KS2472 + C2472 + CL2472 DC Inverter Split System AIR ConditionerPlease Read Before Starting Table of Contents Checking Electrical Components Models KS1872 + C1872 KS2472 + C2472 Operating RangeModels KS1872 + CL1872 KS2472 + CL2472 KS1872 Unit SpecificationsC1872 208V Single-Phase 60Hz C2472 KS2472KS2472 CL1872 KS1872 CL2472 KS2472 Indoor Unit Major Component SpecificationsCB-KS2472 Outdoor Unit Outdoor Unit C2472 Outdoor Unit CL1872 Outdoor Unit CL2472 Indoor heat exchanger sensor Other Component SpecificationsCompressor temp sensor Outdoor air temp sensorDimensional Data Outdoor Unit C1872 Outdoor Unit C2472 Refrigerant Flow Diagram Refrigerant Flow DiagramIndoor unit Outdoor unit Curve because it can cause the tube to break or crackPerformance Data Temperature ChartsIndoor Unit KS1872 Outdoor Unit CL1872 Indoor Unit KS2472 Outdoor Unit C2472 Indoor Unit KS2472 Outdoor Unit CL2472 Air Throw Distance Charts Cooling C1872 Cooling Electrical CharacteristicsC2472 Cooling CL2472Indoor Unit KS1872 KS2472 Electric Wiring DiagramsController Outdoor Unit C1872 CL18728FA2-5257-68700-3 8FA2-5257-68400-3 Installation Site Selection C2472, CL2472 C1872, CL1872AWG Recommended Wire Length and DiameterTo take out the remote control unit, pull it forward Remote Control Unit Installation PositionHow to Test Run the Air Conditioner How to remove the grille Remove the Grille to Install the Indoor UnitHow to replace the grille Address Setting of the Remote Control Unit MaintenanceHow to Connect How to DisconnectOperation Functions FunctionsHigh Power Freeze prevention Protective FunctionsPrecautions before Performing Inspection or Repair TroubleshootingMethod of Self-Diagnostics S01 Self-diagnostics LampsReplace the circuit board or the fuse Replace the controllerChecking the Indoor and Outdoor Units Using the TEST/T-RUN terminalsChecking the indoor unit Control Check items unit operation Checking the serial communicationsDiagnostic results Diagnostic procedureRemedy for symptom 3 to Trouble Diagnosis of Fan MotorOutdoor Fan Motor Noise malfunction Noise Malfunction and Electromagnetic InterferenceElectromagnetic interference Measurement of Insulation Resistance Checking Electrical ComponentsChecking Continuity of Fuse on PCB Assy Characteristics of New Refrigerant R410A Refrigerant R410A Special Precautions When Servicing UnitChecklist before Servicing Tools Specifically for R410A Tubing Installation ProceduresFor servicing, use the following tools for R410A Tool Distinction Tool NameCase of Compressor Malfunction Recharging Configuration and characteristics of cylindersNever charge a large amount Unit. This may causeWelding leaking points Case Refrigerant is LeakingRetro-Fitting Existing Systems Charging Additional RefrigerantKS1872 + C1872 + CL1872 KS2472 + C2472 + CL2472 Features Alert Symbols ContentsProduct Information Safety Instructions Installation LocationElectrical Requirements Names of Parts Quiet lamp Unit Display and Operation ButtonRemote Control Unit Display HR. Timer button Remote Control UnitAdvance button TransmitterDRY How to Install Batteries Using the Remote Control UnitACL button ALL Clear Using the Remote Control Unit Operation Operation with the Remote Control UnitPress the ON/OFF operation button Operation with the Remote Control UnitNight Setback Mode is used for saving energy Cooling and DRY ModeQuiet Mode Special Remarks Power failure during operationClicking sound is heard from the air conditioner Operation Indication Setting the TimerTo cancel a timer program Press the Cancel button Setting the Timer1030 pm 710 am 1100 am Present time Setting 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 CleaningWashing the grille with water Air clean filter How to clean the air clean filterFilter Negative ion generator metal electrodes inside plastic caseOperating Range TroubleshootingTrouble Possible Cause Remedy

CL1872, CL2472, C1872, C2472 specifications

The Sanyo C1872, CL2472, CL1872, and C2472 models are notable additions to Sanyo's esteemed line of electronics, primarily focusing on providing high-quality performance in their respective categories. These models exemplify advanced technology coupled with user-friendly features, catering to both individual consumers and business professionals.

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In summary, the Sanyo C1872, CL2472, CL1872, and C2472 are excellent examples of modern electronics, combining portability, advanced technology, and robust performance. Whether for leisure, work, or creative projects, these models offer features that meet a variety of user needs, ensuring that Sanyo remains a trusted name in the electronics market.