Panasonic CS-MKE12NB4U, CS-MKE9NB4U, CU-4KE31NBU, CZ-18BT1U Max Min For Single use For Multiple Use

Page 74

TROUBLESHOOTING

(BEFORE CALLING FOR SERVICE)

If your air conditioner does not work properly, first check the following points before requesting service. If it still does not work properly, contact your dealer or service center.

Trouble

Possible Cause

 

Remedy

 

 

 

 

Air conditioner does

1. Power failure.

1.

Restore power.

not run at all.

2. Leakage circuit

2.

Contact service

 

 

breaker tripped.

 

center.

 

3. Line voltage is too

3.

Consult your

 

low.

 

electrician or

 

 

 

dealer.

 

4. Batteries in remote

4.

Replace batteries.

 

controller have run

 

 

 

down.

 

 

 

 

 

OPERATION lamp

Trouble in system.

Contact service

blinks and air

 

center.

conditioner does not

 

 

 

operate.

 

 

 

 

 

 

Compressor runs but

Obstruction in front of

Remove obstruction.

soon stops.

condenser coil.

 

 

 

(Outdoor Unit)

 

 

 

 

 

 

Poor cooling (or

1. Dirty or clogged air

1.

Clean air filter to

heating) performance.

filter.

 

improve airflow.

 

2. Heat source or

2.

Eliminate heat

 

many people in

 

source if possible.

 

room.

 

 

 

3. Doors and/or

3.

Shut them to keep

 

windows are open.

 

the heat (or cold)

 

 

 

out.

 

4. Obstacle near air

4.

Remove it to ensure

 

intake or air

 

good airflow.

 

discharge port.

 

 

 

5. Thermostat is set

5.

Set the temperature

 

too high for cooling

 

lower (or higher).

 

(or too low for

 

 

 

heating).

 

 

 

6. (Outdoor

6.

(Consult your

 

temperature is too

 

dealer or try to use

 

low for heating.)

 

another heat

 

 

 

appliance.)

 

 

 

Clicking sound is

In heating or cooling

This is normal, and

heard from the air

operation, any plastic

the sound will soon

conditioner.

parts may expand or

disappear.

 

shrink due to a

 

 

 

sudden temperature

 

 

 

change. In this event,

 

 

 

a clicking sound may

 

 

 

occur.

 

 

 

 

 

 

OPERATION lamp

The use of cellular

1.

Turn off the power

lights but outdoor unit

phones near the air

 

then restart the air

will not run.

conditioner may cause

 

conditioner after a

 

disturbance to its

 

while.

 

normal operation.

2.

Consult your dealer.

 

 

 

 

 

TIMER lamp blinks

FLOAT SWITCH is

Contact service

(3 sec. interval) and

actived.

center.

air conditioner does

 

 

 

not operate.

 

 

 

 

 

 

 

OPERATING RANGE

The air conditioner is operable within the temperature ranges as listed below:

 

Temperature

Indoor air

Outdoor air

 

 

temperature

temperature

 

 

 

 

 

COOLING

Max.

95

°F DB /

115 °F DB

 

 

71

°F WB

 

 

 

 

 

 

 

 

Min.

67

°F DB /

For Single use

 

 

57

°F WB

0 °F DB

 

 

 

 

 

 

 

 

 

For Multiple

 

 

 

 

use

 

 

 

 

14

°F DB

 

 

 

 

 

 

HEATING

Max.

80

°F DB /

75

°F DB /

 

 

67

°F WB

65

°F WB

 

 

 

 

 

Min.

– DB / – WB

– DB / 0 °F WB

 

 

 

 

 

 

WIRED REMOTE CONTROLLER

Aseparately sold wired remote controller (CZ-RD515U) used with this air conditioner is also available. If you wish to use the wired remote control function, you will need to purchase the optional wired remote controller.

16

Image 74
Contents 11,900BTU / h 17,500BTU / hSafety Precautions Prohibit Table of Contents CZ-RD515U Applicable MULTI-OUTDOOR Units Temperature Indoor Air Intake Temp Outdoor Air Intake Temp Operating RangeIndoor Unit CS-MKE9NB4U & CZ-18BT1U SpecificationsUnit Specifications Indoor Unit 208VIndoor Unit CS-MKE12NB4U & CZ-18BT1U CS-MKE12NB4U & CZ-18BT1U Indoor Unit CS-KE18NB4UW & CZ-18BT1U CS-KE18NB4UW & CZ-18BT1U Indoor Unit Body CS-MKE9NB4U Major Component SpecificationsIndoor Unit Indoor Unit Panel CZ-18BT1UIndoor Unit Body CS-MKE12NB4U CB-CS-MKE12NB4UIndoor Unit Body CS-KE18NB4UW CB-CS-KE18NB4UOther Component Specifications CS-MKE12NB4U & CZ-18BT1U CS-KE18NB4UW & CZ-18BT1UDimensional Data ViewRefrigerant Flow Diagram Indoor Unit CS-KE18NB4UW & CZ-18BT1U Indoor unitElectric Wiring Diagrams Electrical DataDisconnect the connectors in the control box MaintenanceDisassembly Procedure Remove the air intake grillRemove the ceiling panel Remove the indoor air temperature sensor Remove the power box and control boxScrew Ground cable CN07 CN03 CN09 CN06 Remove the main body lower section Remove the drain pump and float switch Remove the heat exchanger sensorRemove the turbo fan and fan motor Remove the heat exchangerEmergency operation FunctionsOperation Functions Auto cooling/heating operationTimer backup Lamp colorsFreeze prevention Protective FunctionsOverload prevention during heating Cold-air prevention during heatingMethod of Self-Diagnostics Troubleshooting Before Calling for ServicePrecautions before Performing Inspection or Repair Self-diagnostics Lamps Indoor UnitReplace the controller Using the TEST/T-RUN terminalsChecking the Indoor and Outdoor Units Replace the circuit board or the fuseBefore the Operation Serial Communication Error Identification ProcedureOff Blinking Illuminated Condition E01From the previous page a Condition E12 Trouble Diagnosis of Fan Motor Indoor Fan MotorElectromagnetic interference Noise Malfunction and Electromagnetic InterferenceNoise malfunction Locations most susceptible to noise Trouble CorrectionPage Appendix a CS-MKE9NB4U & CZ-18BT1U CS-MKE12NB4U & CZ-18BT1UCeiling Panel CZ-18BT1UModel No Indoor Units Safety Precautions FeaturesContents Product InformationElectrical Requirements Installation LocationSafety Instructions AvoidNames of Parts Unit Display and Operation ButtonRemote Controller Display SymbolsRemote Controller Mode selector button HR. Timer button 1-HOUR OFF TimerTemperature setting buttons Temp SensorUsing the Remote Controller Single/Multiple switchManual Operation Operation with the Remote ControllerAutomatic Operation StepHigh Power Mode Adjusting the Fan SpeedNight Setback Mode Setting the Timer Special RemarksHow to set daily ON/OFF repeat timer How to set the OFF timeHow to set the on time 1030 pm 710 am 1100 am Present timeHour OFF Timer Using the 1-HOUR OFF TimerAdjusting the Airflow Direction Operation together with the daily ON/OFF repeat timerCleaning the flaps Care and CleaningWhen the air conditioner is not running Cleaning the main unit and Remote ControllerAir filter How to remove the filterHow to remove the air intake grille Care After a prolonged idle periodOperating Range TroubleshootingWired Remote Controller Model No Outdoor Unit SpecificationsModel No Indoor Unit Model No Ceiling PanelAppendix B CS-KE18NB4UW & CZ-18BT1UCS-KE18NB4UW CU-KE18NKU CS-KE12NB41CU-KE12NK1 CZ-18BT1UFan Only Installation Location DRY orange, Cool green and FAN green Remote Controller Display Remote Controller FAN Using the Remote Controller Operation with the Remote Controller Fan Only Special Remarks How to set the OFF time Sweep Cool Drysweep FAN Heat Care and Cleaning Air filter Max Min For Single use For Multiple Use CS-KE12NB41 For Single useModel No Outdoor Unit Indoor Unit Model No Ceiling Panel CZ-18BT1UFor Multiple use Page 852-6-4190-585-00-1 Contents For Indoor UnitPlease Read Before Starting When Servicing OthersGeneral Tools Required for Installation not suppliedAccessories Supplied with Unit Table Optional Copper Tubing KitIndoor Unit Installation Site SelectionAdditional Materials Required for Installation  direct sunlightEmbedding the Tubing and Wiring Suspending the Indoor Unit How to Install the Indoor UnitPreparation for Suspending Placing the Unit Inside the CeilingFastener is on the side Installing the Drain Piping Attach so that the hose band Drain portChecking the Drainage 10aInstalling the Ceiling Panel Indoor unit Gaps Ceiling surface Ceiling panelWiring the Ceiling Panel and the Indicator Attaching the air-intake grilleAdjusting the Auto Flap Checking After InstallationWhen Removing the Ceiling Panel for Servicing Wiring Instructions General precautions on wiring For stranded wiring How to connect wiring to the terminal For Indoor UnitFor Outdoor Unit  For solid core wiring or F-cable How to Test Run the Air Conditioner To take out the remote controller, pull it forward Remote Controller Installation PositionRear side Remote control holder Mounting on a WallAddress Switch Address Setting of the Remote ControllerConnecting a Home Automation Device Installation Check SheetAppendix D CZ-RD515UOperating Instructions Wired Remote Controller Model No. CZ-RD515UAutomatic Switching between Cooling and Heating Installation Location Timer and Present Time setting buttons SET buttonTimer Select button Remote Controller Display Automatic Operation Only for COOL/DRY/HEAT Model Remote Controller Display Heating Mode Only for COOL/DRY/HEAT ModelDaily on / OFF Backup functionProgrammed 910 pm 710 am 1130 pm Present timeUsing the 1-HOUR OFF Timer Page Appendix E Installation Instructions CZ-RD515U How to install the remote controller Parts supplied with the remote controllerRemote controller installation guidelines Installation locationInstalling with in-wall junction box Installing directly onto the wallHow to wire the remote controller WI1011-0 Page DC1111-0
Related manuals
Manual 69 pages 14.27 Kb Manual 132 pages 33 Kb Manual 124 pages 42.9 Kb Manual 56 pages 332 b

CZ-18BT1U, CS-KE18NB4UW, CS-MKE12NB4U, CU-3KE19NBU, CU-4KE24NBU specifications

The Panasonic CS-KE18NB4UW and CU-KE12NK1, along with the CS-KE12NB41, CZ-18BT1U, and CU-KE18NKU, represent a suite of advanced air conditioning solutions built with cutting-edge technologies designed to provide optimal comfort, energy efficiency, and air quality in various settings.

One of the standout features of this lineup is the inverter technology. Inverter air conditioners adjust the compressor speed to maintain the desired temperature efficiently. This leads to significant energy savings compared to traditional air conditioners, which tend to frequently cycle on and off, consuming more power. By continuously regulating the temperature, the Panasonic units not only save electricity but also prolong the lifespan of the compressor.

Another noteworthy characteristic is the nanoe™ technology integrated into some of these models. Nanoe™ technology uses hydroxyl radicals to purify the air, minimizing harmful bacteria and allergens. This makes the Panasonic units particularly suitable for users with allergies or respiratory issues, providing a cleaner and healthier indoor environment.

In terms of design, these models are sleek and compact, allowing them to fit seamlessly into any room decor, whether in a home, office, or commercial space. The quiet operation is another advantage, making them ideal for bedrooms and study areas where minimal noise is essential.

Furthermore, the CS-KE18NB4UW and CU-KE12NK1 offer a range of powerful cooling and heating capacities, making them versatile solutions for various climate conditions. The cold climate performance ensures consistent heating in colder regions, while the robust cooling capabilities make them perfect for hot summer months.

The user-friendly features include a smart remote control system, allowing users to adjust settings with ease from a distance. Some models are equipped with Wi-Fi capability, enabling integration with smart home systems for enhanced control and programmability.

In conclusion, the Panasonic CS-KE18NB4UW, CU-KE12NK1, CS-KE12NB41, CZ-18BT1U, and CU-KE18NKU air conditioning units exemplify innovation and efficiency. With their inverter technology, air purification features, compact designs, and smart functionalities, they stand out as ideal choices for maintaining comfortable and healthy indoor environments throughout the year.