Panasonic CS-S12NKUA User Manual

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QUICK GUIDE

QUICK GUIDE

ENGLISH

Before operating the unit, read these operating

instructions thoroughly and keep them for future

reference.

F568726

© Panasonic Appliances Air-Conditioning Malaysia

Sdn. Bhd. 2012. Unauthorized copying and distribution

is a violation of law.

Operating Instructions

Air Conditioner

Model No.

Indoor Unit Outdoor Unit

CS-E18NKUA CU-E18NKUA

CS-E24NKUA CU-E24NKUA

Table of Contents

Other manuals for Panasonic CS-S12NKUA

Service Manual74 pages

Information2 pages

Questions and Answers:

D
davisericAug 22, 2025
What to do if my Panasonic CS-S12NKUA displays H11 error?
- Y
  Yolanda DavisAug 22, 2025
  The H11 error on your Panasonic Air Conditioner indicates an abnormal communication issue between the indoor and outdoor units. This could be due to: * A faulty indoor or outdoor unit PCB, which requires checking. * Incorrect wiring between the units, so you should verify the wiring. * Broken wires in the connection, which means you should inspect and repair any broken wires. * A disturbed power supply waveform, which requires checking the power supply waveform.
R
Richard PorterAug 25, 2025
What does F91 error mean on my Panasonic Air Conditioner and how to fix it?
- T
  Thomas MorrisAug 25, 2025
  The F91 error on your Panasonic Air Conditioner signals a refrigeration cycle abnormality. This can be caused by: * A refrigerant shortage due to leaks, in which case you should check for leaks and recharge the system. * Poor compressor performance, so inspect the compressor. * A closed 2/3 way valve, so ensure the valve is open. * Faulty indoor intake air or pipe temperature sensors, so test and replace any faulty sensors.
C
clarkphilipAug 25, 2025
How to troubleshoot H98 error related to high pressure in my Panasonic Air Conditioner?
- J
  John CastilloAug 26, 2025
  The H98 error indicates indoor high pressure protection. This may be due to: * A clogged air filter, so clean or replace it. * Dust accumulation on the heat exchanger, so clean it. * An air short circuit, so check for and eliminate it. * A faulty indoor pipe temperature sensor, so replace it. * A defective indoor unit PCB, so replace it.
T
Terri HamiltonAug 27, 2025
Why does my Panasonic CS-S12NKUA Air Conditioner show F98 error and how to fix it?
- A
  Arthur Moreno PhDAug 27, 2025
  The F98 error on your Panasonic Air Conditioner indicates an input over current detection. This can occur due to: * Compressor failure, so inspect and replace the compressor if necessary. * A defective outdoor unit PCB, so replace it. * A defective inverter main circuit electrolytic capacitor, so replace it. * Excessive refrigerant, so check for proper refrigerant levels.
R
Rita DeleonAug 27, 2025
How to fix H19 error, when indoor fan motor is locked, in Panasonic Air Conditioner?
- D
  David GonzalezAug 28, 2025
  The H19 error on your Panasonic Air Conditioner indicates that the indoor fan motor mechanism is locked. This could be due to: * A short circuit inside the fan motor winding, so replace the indoor fan motor. * A broken wire inside the fan motor, so inspect and repair any broken wires. * Broken fan motor lead wires, so inspect and repair them. * Hall IC malfunction, so replace the Hall IC. * A faulty indoor unit PCB, so replace it.
H
Heidi MillerAug 29, 2025
What causes F95 error in Panasonic Air Conditioner and how to resolve it?
- A
  Allen ReynoldsAug 29, 2025
  The F95 error on your Panasonic Air Conditioner indicates a cooling high pressure abnormality. This can be caused by: * A short circuit of hot discharge air flow, so inspect the outdoor unit for airflow obstructions. * A defective outdoor fan motor, so replace the outdoor fan motor. * A defective outdoor pipe temperature sensor, so replace it. * A defective outdoor unit PCB, so replace it.
M
mariacarrAug 30, 2025
What does H99 error mean on Panasonic CS-S12NKUA and how to troubleshoot it?
- T
  Tina JacobsAug 30, 2025
  The H99 error on your Panasonic Air Conditioner indicates indoor freeze prevention protection during cooling or soft dry operation. This may be due to: * A clogged air filter, so clean or replace the indoor air filter. * Dust accumulation on the indoor unit heat exchanger, so clean it. * An air short circuit, so check for and eliminate it. * A faulty indoor pipe temperature sensor, so replace it. * A defective indoor unit PCB, so replace it.
S
Sean HarperAug 31, 2025
How to resolve F99 error (output over current) on a Panasonic CS-S12NKUA?
- M
  matthew20Aug 31, 2025
  The F99 error on your Panasonic Air Conditioner indicates an output over current detection. This can be triggered by: * DC peak due to compressor failure, so inspect and replace the compressor if necessary. * DC peak due to defective power transistor(s), so check and replace faulty power transistors. * DC peak due to a defective outdoor unit PCB, so replace it.
K
Katie RobinsonSep 2, 2025
What causes H97 error, when outdoor fan motor is locked, in Panasonic CS-S12NKUA Air Conditioner?
- S
  scott54Sep 2, 2025
  The H97 error on your Panasonic Air Conditioner means the outdoor fan motor mechanism is locked. This could be due to: * A short circuit inside the fan motor winding, so replace the outdoor fan motor. * A broken wire inside the fan motor, so inspect and repair any broken wires. * Broken fan motor lead wires, so inspect and repair lead wires. * Hall IC malfunction, so replace the Hall IC. * A faulty outdoor unit PCB, so replace it.
S
Steven JohnsonSep 3, 2025
What to do if Panasonic CS-S12NKUA shows H12 error (capacity rank mismatch)?
- R
  Ryan WilsonSep 3, 2025
  The H12 error on your Panasonic Air Conditioner indicates a capacity rank mismatch between the indoor and outdoor units. This can be caused by: * Wrong models interconnected, so ensure compatible units are connected. * Wrong indoor or outdoor unit PCBs mounted, so check and replace incorrect PCBs. * Defective indoor or outdoor unit PCBs, so test and replace them. * Incorrect wiring between the units, so verify the wiring. * Broken wires in the connection wires, so inspect and repair any broken wires.

Panasonic CS-S12NKUA Specifications

General

Type	Wall Mounted
Cooling Capacity	11, 900 BTU/h
Power Supply	220-240V, 50Hz
Coefficient of Performance (COP)	3.8
Refrigerant	R-410A
Indoor Unit Weight	9 kg

Summary

Safety Precautions

General Warning and Caution Symbols

Explains warning and caution symbols used for safety instructions and compliance.

Indoor and Outdoor Unit Safety

Safety instructions specific to the indoor and outdoor units of the air conditioner.

Operation Conditions and Power Supply

Temperature Ranges for Operation

Details the recommended operating temperature ranges for cooling and heating modes.

Model Power Specifications

Lists power requirements, circuit breaker, and voltage for different models.

Remote Control and Power Supply Safety

Remote Control Safety Guidelines

Precautions for remote control, including battery handling and child safety.

Power Supply Electrical Safety

Guidelines for safe electrical connections, cord usage, and preventing hazards.

Remote Control Operations

Turning Unit On or Off

Instructions on using the power button to start or stop the air conditioner.

Setting Operation Mode

Guide to selecting AUTO, HEAT, COOL, or DRY modes for desired comfort.

Adjusting Fan Speed and Airflow Direction

How to select fan speed and control the airflow direction (louvers).

Quiet Operation

Engaging the quiet mode to reduce airflow noise for a more peaceful environment.

Advanced Remote Control Functions

Reaching Temperature Quickly

Utilizing the powerful mode for rapid temperature adjustment.

Setting Timer Operations

Instructions on how to set the timer for automatic ON/OFF operations.

Indoor Unit Maintenance and Operation

Indoor Unit Cleaning Instructions

Guidelines for cleaning the indoor unit, including the front panel and filters.

Air Purifying and Air Filters

Information on cleaning and replacing air purifying and air filters.

Auto Off/On Button Usage

How to use the unit's auto off/on button when the remote is lost or malfunctioning.

Troubleshooting Guide

Symptoms Not Indicating Malfunction

Common operational sounds and phenomena that do not signify a fault.

Checks Before Calling for Service

Steps to take to resolve common issues before contacting a service agent.

Retrieving Error Codes

Procedure for using the remote control to identify and retrieve error codes.

Information and Compliance

Seasonal Inspection After Non-Use

Checks and procedures for units that have been idle for extended periods.

Disposal of Old Equipment and Batteries

Information on collecting and disposing of used equipment and batteries.

Federal Communications Commission Statement

FCC statement regarding interference and compliance with digital device regulations.

Quick Guide: Remote Control Preparation

Remote Control Setup

Step-by-step instructions for preparing the remote control for use.

Basic Operation Controls

Guide to using the MODE, OFF/ON, and TEMP buttons for basic air conditioner control.

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