Troubleshooting Before Calling for Service

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 not run at all.	1.	Power failure.	1.	Restore power.
	2.	Leakage circuit breaker tripped.	2.	Contact service center.
	3.	Line voltage is too low.	3.	Consult your electrician or dealer.
	4.	Batteries in remote controller have	4.	Replace batteries.
		run down.

OPERATION lamp blinks and air	Trouble in system.		Contact service center.
conditioner does not operate.

Compressor runs but soon stops.	Obstruction in front of condenser coil.		Remove obstruction.
	(Outdoor Unit)

Poor cooling (or heating) performance.	1.	Dirty or clogged air filter.	1.	Clean air filter to improve airflow.
	2.	Heat source or many people in	2.	Eliminate heat source if possible.
		room.
	3.	Doors and/or windows are open.	3.	Shut them to keep the heat (or cold)
				out.
	4.	Obstacle near air intake or air	4.	Remove it to ensure good airflow.
		discharge port.
	5.	Thermostat is set too high for	5.	Set the temperature lower (or
		cooling (or too low for heating).		higher).
	6.	(Outdoor temperature is too low for	6.	(Consult your dealer or try to use
		heating.)		another heat appliance.)

Clicking sound is heard from the air	In heating or cooling operation, any		This is normal, and the sound will soon
conditioner.	plastic parts may expand or shrink due		disappear.
	to a sudden temperature change. In
	this event, a clicking sound may occur.

OPERATION lamp lights but outdoor	The use of cellular phones near the air		1.	Turn off the power then restart the
unit will not run.	conditioner may cause disturbance to			air conditioner after a while.
	its normal operation.
			2.	Consult your dealer.

OPERATING RANGE

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

	Temperature	Indoor air temperature	Outdoor air temperature

COOLING	Max.	95 °F DB / 71 °F WB	115 °F DB

	Min.	67 °F DB / 57 °F WB	14 °F DB

HEATING	Max.	80 °F DB / 67 °F WB	75 °F DB / 65 °F WB

	Min.	– DB / – WB	– DB / 0 °F WB

CS-MKE12NKU, CU-3KE19NBU, CU-4KE24NBU, CU-4KE31NBU, CS-MKE7NKU specifications

The Panasonic CS-MKE series comprises a range of advanced air conditioning units designed to provide efficient cooling and heating solutions for both residential and commercial spaces. The models in this series include the CS-MKE18NKU, CS-MKE7NKU, CS-MKE12NKU, CS-MKE24NKU, and CS-MKE9NKU, each tailored to meet various needs while ensuring energy efficiency and user comfort.

One of the standout features of the CS-MKE series is its inverter technology. This innovative approach allows the air conditioner to adjust its compressor speed in accordance with the set temperature, leading to reduced energy consumption and lower utility bills. The inverter system operates smoothly, maintaining a consistent temperature without the bothersome on-off cycling typical of traditional units.

Moreover, the models in the CS-MKE range are equipped with the Plasma Quad Plus air purification technology. This feature effectively eliminates harmful particles and odors from the air, ensuring that the indoor environment is not only comfortable but also healthy. The air conditioning units can filter out dust, pollen, and various allergens, making them ideal for allergy sufferers or those with respiratory issues.

In terms of cooling and heating capacity, the CS-MKE series provides a versatile range. From the compact yet efficient CS-MKE7NKU, suitable for smaller rooms, to the robust CS-MKE24NKU designed for larger spaces, users can find an option that best suits their needs. Each model comes with adjustable airflow settings, allowing occupants to direct cool or warm air to where it's needed most, enhancing comfort levels.

The aesthetic design of the CS-MKE units is another appealing aspect. With their sleek and modern exterior, these air conditioners seamlessly blend into a variety of interior styles. Their ultra-quiet operation further enhances the user experience, making them suitable for bedrooms, offices, or any environment where noise reduction is a priority.

User-friendliness is a key characteristic of the CS-MKE series, boasting remote control features and programmable timers that allow users to set cooling or heating schedules, ensuring comfort upon arrival home while maximizing efficiency throughout the day.

Overall, the Panasonic CS-MKE series air conditioners, including models CS-MKE18NKU, CS-MKE7NKU, CS-MKE12NKU, CS-MKE24NKU, and CS-MKE9NKU, offer a blend of advanced technology, energy efficiency, and design sophistication, making them a commendable choice for any space.