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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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8FA2-5251-11100-2

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Panasonic CS-MKS24NKU INDOOR UNIT 1 OPERATION lamp 2 TIMER lamp 3 QUIET lamp, OPERATION button REMOTE CONTROL receiver

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.