Panasonic CS-MKS24NKU INDOOR UNIT 1 OPERATION lamp 2 TIMER lamp 3 QUIET lamp, Blinking, Code

Page 36
INDOOR UNIT

(1)Self-diagnostics Lamps

INDOOR UNIT

(1) OPERATION lamp

(2) TIMER lamp

(3) QUIET lamp

OPERATION button

REMOTE CONTROL receiver

OPERATION button 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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QUIET

TIMER

OPERATION

CODE

DIAGNOSIS CONTENTS

 

 

 

 

 

POSSIBLE MALFUNCTION

(3)

 

(2)

 

(1)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S01

ROOM TEMP. SENSOR TROUBLE

(1) OPEN OR SHORT CIRCUIT IN SENSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2) POOR CONTACT AT CONNECTOR OR OPEN CIRCUIT AT

 

 

 

 

 

 

 

 

 

 

 

 

S02

I/D HEAT EXCHANGER

 

 

 

 

 

 

 

 

 

 

 

 

TERMINAL PRESS-FIT LOCATION (FOR HUMIDITY SENSOR,

 

 

 

 

 

 

 

 

 

 

 

 

TEMP. SENSOR TROUBLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THIS REPRESENTS SHORT-CIRCUIT DETECTION ONLY.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S03

HUMIDITY SENSOR TROUBLE

(3) I/D PCB FAILURE (I/D = INDOOR)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S04

COMPRESSOR TEMP. SENSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TROUBLE

(1) OPEN OR SHORT CIRCUIT IN SENSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(2) POOR CONTACT AT CONNECTOR OR OPEN CIRCUIT AT

 

 

 

 

 

 

 

 

 

 

 

 

S05

O/D HEAT EXCHANGER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TERMINAL PRESS-FIT LOCATION

 

 

 

 

 

 

 

 

 

 

 

 

TEMP. SENSOR TROUBLE

 

 

 

 

 

 

 

 

 

 

 

 

 

(3) O/D PCB FAILURE (O/D = OUTDOOR)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S06

O/D AIR TEMP. SENSOR TROUBLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

S07

O/D CURRENT SENSOR ERROR

O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1) MIS-WIRING

(2) AC POWER FAILURE

(3) BLOWN FUSE

 

 

 

 

 

 

 

 

 

 

 

 

E01

I/D-O/D COMMUNICATION TROUBLE

(4) POWER RELAY FAILURE

(5) I/D OR O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(SERIAL COMMUNICATION TROUBLE)

(6) O/D FAN MOTOR FAILURE

(7) REACTOR FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(8) HIGH-PRESSURE SW FAILURE (9) OLR FAILURE (10) MAGNETIC COIL FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(1) HIC OR POWER TR FAILURE (2) O/D FAN NOT OPERATING

 

 

 

 

 

 

 

 

 

 

 

 

E02

HIC CIRCUIT TROUBLE

(3) INSTANTANEOUS POWER STOPPAGE

(4) SERVICE VALVE NOT OPENED.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

POWER TR CIRCUIT TROUBLE

(5) O/D FAN BLOCKED (6) CONTINUOUS OVERLOAD OPERATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(7) COMPRESSOR FAILURE

(8) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

E03

O/D UNIT EXTERNAL ROM TROUBLE

(1) EXTERNAL ROM DATA FAILURE

(2) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E04

CURRENT PEAK CUT

(1) INSTANTANEOUS POWER STOPPAGE (2) HIC OR POWER TR FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E05

PAM CIRCUIT TROUBLE

(1) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ACTIVE CIRCUIT TROUBLE

(2) O/D POWER VOLTAGE TROUBLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMPRESSOR DISCHARGE TEMP.

(1) ELECTRIC EXPANSION VALVE FAILURE (2) CHOKED CAPILLARY TUBE

 

 

 

 

 

 

 

 

 

 

 

 

E06

(3) INSUFFICIENT GAS (4) CONTINUOUS OVERLOAD OPERATION

 

 

 

 

 

 

 

 

 

 

 

 

OVERHEATING PREVENTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(5) O/D FAN NOT OPERATING (6) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

E07

I/D FAN OPERATION TROUBLE

(1) FAN MOTOR FAILURE

(2) CONNECTOR CONTACT FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3) I/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E08

4-WAY VALVE SWITCHING TROUBLE

(1) 4-WAY VALVE FAILURE (HEAT PUMP MODEL ONLY)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ZERO-CROSS TROUBLE

(2) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E09

GAS-LOSS PREVENTION

(1) SERVICE VALVE NOT OPENED (2) INSUFFICIENT GAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E10

DC COMPRESSOR DRIVE

(1) OPEN PHASE (2) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CIRCUIT TROUBLE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E11

O/D DC FAN OPERATION TROUBLE

(1) FAN MOTOR FAILURE

(2) CONNECTOR CONTACT FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3) O/D PCB FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E12

O/D SYSTEM COMM FAILURE,

(1) MIS-WIRING (2) BLOWN FUSE

(3) POWER RELAY FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

OLR OPERATION, O/D POWER

 

 

 

 

 

 

 

 

 

 

 

 

(4) O/D PCB FAILURE (5) COMPRESSOR FAILURE

 

 

 

 

 

 

 

 

 

 

 

 

 

OPEN PHASE, O/D FREEZING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E13

FREEZING-PREVENTION OPERATION

(1) I/D FAN SYSTEM FAILURE (2) INSUFFICIENT GAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(3) OPERATION AT LOW TEMPERATURE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36

8FA2-5251-11100-2

Image 36
Contents INDOOR UNIT CS-MKS7NKU CS-MKS9NKU CS-MKS12NKU CS-MKS18NKU CS-MKS24NKUTECHNICAL & SERVICE MANUAL DC INVERTER MULTI-SYSTEM AIR CONDITIONERSAFETY PRECAUTIONS If refrigerant gas leaks during the work, ventilate the room Table of Contents 2. SPECIFICATIONS4. REFRIGERANT FLOW DIAGRAM 8. TROUBLESHOOTING BEFORE CALLING FOR SERVICEAPPLICABLE MULTI-OUTDOOR UNITS 1. OPERATING RANGE TemperatureIndoor Air Intake Temp Outdoor Air Intake TempSPECIFICATIONS Unit SpecificationsFeatures Dimensions & WeightFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures Dimensions & WeightType Voltage RatingFeatures 2-2. Major Component Specifications 2-2-1. Indoor UnitControl PCB Fan MotorIndoor Unit CS-MKS9NKU Indoor Unit CS-MKS12NKU Indoor Unit CS-MKS18NKU Indoor Unit CS-MKS24NKU 2-3. Other Component Specifications Resistance k ohmTemperature F C 3. DIMENSIONAL DATA CS-MKS9NKU CS-MKS12NKUCS-MKS24NKU CS-MKS18NKU4. REFRIGERANT FLOW DIAGRAM 4-1. Refrigerant Flow Diagram5-1. Air Throw Distance Charts 5. PERFORMANCE DATACS-MKS9NKU Room air temp. 80F 26.7C Cooling Cooling Cooling 6-1. Electric Wiring Diagrams 6. ELECTRICAL DATAASSY LAMP7. FUNCTIONS 7-1. Operation FunctionsEmergency operation SENSOR DRYHIGH POWER Timer backupNIGHT SETBACK Lamp colors7-2. Protective Functions Freeze prevention8. TROUBLESHOOTING BEFORE CALLING FOR SERVICE 8-1. Precautions before Performing Inspection or Repair8-2. Method of Self-Diagnostics PROCEDUREINDOOR UNIT 1 OPERATION lamp 2 TIMER lamp 3 QUIET lamp OPERATION button REMOTE CONTROL receiverDIAGNOSIS CONTENTS INDICATION ON INDOOR UNIT2 If the self-diagnostics function fails to operate No indicators illuminate and the indoor fan does not rotateCheck the power voltage Blown Check the indoor unit Is the fuse blown?8-3. Checking the Indoor and Outdoor Units T-RUN Test run compressor and fan motor turn ON3 How to Identify a Serial Communication Error Timer3-2 Condition E12 8-4. Trouble Diagnosis of Fan Motor 8-4-1. Indoor Fan Motor8-5. Noise Malfunction and Electromagnetic Interference Locations most susceptible to noiseTrouble CorrectionPage APPENDIX A Operating Instructions CS-MKS7NKU CS-MKS9NKU CS-MKS12NKUOperating Instructions Split System Air Conditioner CS-MKS7NKU CS-MKS9NKU CS-MKS12NKUCU-3KS19NBU CU-4KS24NBU CU-4KS31NBU Model No Indoor UnitsFEATURES CONTENTSSAFETY PRECAUTIONS PRODUCT INFORMATIONINSTALLATION LOCATION SAFETY INSTRUCTIONSELECTRICAL REQUIREMENTS Refrigerant gas leakage may cause fire NAMES OF PARTS Air Intakes INDOOR UNIT Air Outlet Remote Controller Drain HoseRemote Controller Refrigerant Tubes OUTDOOR UNIT Air OutletUNIT DISPLAY AND OPERATION BUTTON REMOTE CONTROLLER DISPLAY REMOTE CONTROLLER REMOTE CONTROLLER CONTINUED SWEEPUSING THE REMOTE CONTROLLER USING THE REMOTE CONTROLLER CONTINUED OPERATION WITH THE REMOTE CONTROLLER 1. OperationOPERATION WITH THE REMOTE CONTROLLER CONTINUED 2. Adjusting the Fan Speed3. Fan Only 4. Night Setback Mode SettingIn Cooling and DRY Mode and Night Setback Mode is used for saving energy6. HIGH POWER Mode 5. QUIET ModeRemote Controller SPECIAL REMARKS‘‘DRY’’ Operation Cooling OperationSETTING THE TIMER 1. How to set the present timeSETTING THE TIMER CONTINUED REPEAT timerUSING THE 1-HOUR OFF TIMER TIPS FOR ENERGY SAVINGSetting procedure Cancellation procedureADJUSTING THE AIRFLOW DIRECTION OPERATION WITHOUT THE REMOTE CONTROLLER CARE AND CLEANINGCARE AND CLEANING CONTINUED How to remove the filter 1. Grasp both ends of the airfilter Groove Pin Air intake grilleWIRED REMOTE CONTROLLER When using a footstool or the like, be careful not to let it tip overWashing the grille with water TROUBLESHOOTING BEFORE CALLING FOR SERVICE OPERATING RANGETrouble Possible CauseSPECIFICATIONS Model NoIndoor Unit Outdoor UnitAPPENDIX B Operating Instructions CS-MKS18NKU CS-MKS24NKUCS-MKS18NKU CS-MKS24NKUModel No Indoor UnitsFEATURES CONTENTSSAFETY PRECAUTIONS Simple One-touch Remote ControllerINSTALLATION LOCATION SAFETY INSTRUCTIONSELECTRICAL REQUIREMENTS Refrigerant gas leakage may cause fire Air Intakes INDOOR UNIT Air Outlet Remote Controller Drain Hose Remote ControllerNAMES OF PARTS Refrigerant Tubes OUTDOOR UNIT Air OutletUNIT DISPLAY AND OPERATION BUTTON REMOTE CONTROLLER DISPLAY REMOTE CONTROLLER REMOTE CONTROLLER CONTINUED USING THE REMOTE CONTROLLER REMOTE CONTROLLER CONTINUEDUSING THE REMOTE CONTROLLER CONTINUED OPERATION WITH THE REMOTE CONTROLLER 1. OperationOPERATION WITH THE REMOTE CONTROLLER CONTINUED 2. Adjusting the Fan Speed3. Fan Only OPERATION WITH THE REMOTE CONTROLLER CONTINUED 4. Night Setback ModeOPERATION WITH THE REMOTE CONTROLLER CONTINUED 6. HIGH POWER Mode5. QUIET Mode Remote Controller SPECIAL REMARKS‘‘DRY’’ Operation Cooling OperationSETTING THE TIMER 1. How to set the present timeSETTING THE TIMER CONTINUED REPEAT timerUSING THE 1-HOUR OFF TIMER Setting procedureCancellation procedure 2. Operation together with the DAILY ON/OFF REPEAT TimerADJUSTING THE AIRFLOW DIRECTION OPERATION WITHOUT THE REMOTE CONTROLLER Groove Pin Air intake grille Air intake grille WIRED REMOTE CONTROLLER CARE AND CLEANING CONTINUEDTROUBLESHOOTING BEFORE CALLING FOR SERVICE OPERATING RANGETrouble Possible CauseSPECIFICATIONS APPENDIX C INSTALLATION INSTRUCTIONS CS-MKS7NKU CS-MKS9NKU CS-MKS12NKU CS-MKS18NKU CS-MKS24NKUINSTALLATION INSTRUCTIONS Split System Air Conditioner ContentsNOTE External diameter of service port R410A 5/16 For Indoor UnitSPECIAL PRECAUTIONS When TransportingWhen Installing… In Case of Improper InstallationWhen Servicing Others‡ &KHFNFDUHIXOO\IRUOHDNVEHIRUHVWDUWLQJWKHWHVWUXQ 1. General 1-1. Tools Required for Installation not supplied1-2. Accessories Supplied with Unit Table obtaining wire. Also, check2. Installation Site Selection 1-5. Additional Materials Required for Installation2-1. Indoor Unit AVOID2-2. Embedding the Tubing and Wiring 3. How to Install the Indoor Unit trical wiring or conduits are3-1. Remove the Rear Panel from the Unit 3-2. Make a Hole3-3. Install the Rear Panel on the Wall a If Wooden Wallb If Block, Brick, Concrete or Similar Type Wall Fig. 13a3-4. Removing and Installing the Grille 3-4-1. Indoor unit types 3-4-2. Indoor unit types CS-MKS18NKU, CS-MKS24NKU Fig. 19b-1Fig. 16a-1 Fig. 16b-1 Fig. 17a-1 Fig. 17b-13-6. Wiring Instructions General precautions on wiring 3-5. Shape the Indoor Side Tubing3-7. Wiring Instructions for Inter-unit Connections Fig. 26aFig. 26b WARNING Loose wiring may cause the terminal to overheat or result How to connect wiring to the terminal a For Indoor Unitb For Outdoor Unit  For solid core wiring or F-cable  For stranded wiring3-8. Mounting  Right-side tubingFig. 37a Fig. 37bSwitching drain hose and drain cap  Left-side tubingDrain hose Drain capDo not supply power to the tubing and wiring to the outTo unmount indoor unit 3-9. Drain Hose4. How to Test Run the Air Conditioner Fig. 59a Fig. 59bFig. 59c 5. Remote Controller Installation Position 6. Address Switch 6-1. Address Setting of the Remote Controller7. Connecting a Home Automation Device 8. Installation Check SheetPage DC1111-0
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CS-MKS18NKU, CS-MKS9NKU, CS-MKS24NKU specifications

The Panasonic CS-MKS7NKU, CS-MKS9NKU, and CS-MKS12NKU are part of Panasonic's reputable air conditioning lineup, designed to provide efficient and comfortable cooling and heating solutions for various spaces. These models are ideal for residential and light commercial use, showcasing a blend of innovative technology and user-friendly features.

One of the main characteristics of these units is their inverter technology, which optimizes energy consumption by adjusting the compressor speed based on the cooling or heating demand. This results in lower energy bills and a more sustainable approach to climate control, aligning with the growing demand for eco-friendly solutions. The inverter operation not only enhances energy efficiency but also contributes to quieter operation compared to traditional systems.

Another outstanding feature is the advanced air filtration system integrated into all three models. The system includes a nanoe™ X technology which utilizes nano-sized charged water particles to effectively inhibit the growth of airborne bacteria and viruses, thus improving indoor air quality. Additionally, the filters are designed for easy cleaning, providing convenience for users and reducing maintenance efforts.

The CS-MKS series also boasts a sleek and modern design that seamlessly fits into various interior decors while being compact enough for easy installation. They are engineered for whisper-quiet operation, making them suitable for bedrooms, offices, and other quiet spaces, ensuring comfort without the distraction of noise.

Moreover, these units come equipped with user-friendly remote control capabilities and Wi-Fi connectivity options, allowing users to manage their air conditioning system from anywhere using a smartphone app. This level of convenience ensures that spaces are always at the desired temperature, whether users are at home or on the go.

In terms of energy efficiency, all models are rated highly, ensuring that they not only provide comfort but also minimize environmental impact. Their eco-friendly refrigerant further supports sustainable operation, making them a top choice for environmentally conscious consumers.

In summary, the Panasonic CS-MKS7NKU, CS-MKS9NKU, and CS-MKS12NKU are highly efficient air conditioning units that combine inverter technology, advanced air purification, modern design, and smart connectivity. These features make them ideal candidates for anyone looking for reliable, eco-friendly, and user-centric climate control solutions.