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

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Panasonic CS-MKE12NB4U, CS-MKE9NB4U, CU-4KE31NBU, CU-4KE24NBU, CU-3KE19NBU, CZ-18BT1U Max Min For Single use For Multiple Use
Page 73 Page 75

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.
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