Troubleshooting, Symptom | Panasonic CS-E12JKKW, CU-E12JKK, CU-E9JKK

TROUBLESHOOTING

The following symptoms do not indicate malfunction.
SYMPTOM	CAUSE

Mist emerges from indoor unit.

Water ﬂowing sound during operation.

The room has a peculiar odour.

Indoor fan stops occasionally during automatic fan speed setting.

Airﬂow continues even after operation has stopped.

Operation is delayed a few minutes after restart.

Outdoor unit emits water/steam.

Timer indicator is always on.

Power indicator blinks during HEAT mode with no warm air supply (and louver is closed).

Indoor fan stops occasionally during heating operation.

Power indicator blinks before the unit is switched on.

Cracking sound during operation.

►• Condensation effect due to cooling process.

►• Refrigerant ﬂow inside the unit.

►• This may be due to damp smell emitted by the wall, carpet, furniture or clothing.

►• This helps to remove the surrounding odours.

►• Extraction of remaining heat from the indoor unit (maximum 30 seconds).

►• The delay is a protection to the unit’s compressor.

►• Condensation or evaporation occurs on pipes.

►• The timer setting repeats daily once set.

►• The unit is in defrost mode (and AIR SWING is set to AUTO).

►• To avoid unintended cooling effect.

►• This is a preliminary step in preparation for the operation when the ON timer has been set.

►• Changes of temperature cause the expansion/contraction of the unit.

Check the following before calling for servicing.
SYMPTOM	CHECK

Heating/Cooling operation is not working efﬁciently.

Noisy during operation.

Remote control does not work.

(Display is dim or transmission signal is weak.)

The unit does not work.

The unit does not receive the signal from the remote control.

►

•Set the temperature correctly.

•Close all doors and windows.

•Clean or replace the ﬁlters.

•Clear any obstruction at the air inlet and air outlet vents.

•Check if the unit has been installed at an incline.

•Close the front panel properly.

•Insert the batteries correctly.

•Replace weak batteries.

•Check if the circuit breaker is tripped.

•Check if timers have been set.

•Make sure the receiver not obstructed.

•Certain ﬂuorescent lights may interfere with signal transmitter. Please consult authorized dealer.

The unit stops and the timer indicator blinks.

Use remote control to retrieve error code.

1	Press for 5	TIMER		SET
	seconds.	ON		SET
	seconds.
		1	2	3
3	Press for 5	OFF		CANCEL
	seconds to			AC RC
	quit checking.	SET CHECK CLOCK		RESET

2Press until you hear beep sound, then write down the error code.

Note:

•For certain errors, you may restart the unit for limited operation with 4 beeps during operation starts.

4Turn the unit off and reveal the error code to authorized dealer.

CS-E22JKK, CU-E9JKK, CU-E18JKK, CS-E9JKKW, CS-E18JKK specifications

Panasonic has long been a trusted name in the HVAC industry, known for delivering high-quality air conditioning systems that combine advanced technology with energy efficiency. Among their latest offerings are the models CU-E22JKK, CU-2E18JBK, CU-E12JKK, CS-E12JKKW, and CS-E18JKK. Each of these models stands out for its unique capabilities, making them suitable choices for both residential and commercial spaces.

Starting with the CU-E22JKK, this system is designed to provide optimal cooling performance while ensuring low energy consumption. One of its standout features is the Inverter Technology, which allows for precise temperature control by adjusting the compressor speed according to the cooling demand. This results in enhanced comfort and significant energy savings. Furthermore, the CU-E22JKK is equipped with a high-efficiency compressor that operates quietly, ensuring a peaceful indoor environment.

Similarly, the CU-2E18JBK model continues the trend of efficient cooling performance. Its dual compressor system enhances reliability and efficiency, providing robust cooling even on the hottest days. This model is also compatible with smart controls, allowing users to easily adjust settings remotely. The modern design and user-friendly features make it an ideal choice for tech-savvy consumers.

The CU-E12JKK is another excellent option, especially for smaller spaces. It is designed with a focus on space-saving while utilizing advanced air purification technologies. The Nanoe-G technology purifies and deodorizes the indoor air, making it an excellent option for those with allergies or respiratory issues. Additionally, its compact size and sleek design make it suitable for a variety of room layouts.

The CS-E12JKKW and CS-E18JKK models offer similar technology but are ideally suited for larger areas. Both feature advanced climate control systems that monitor and adjust the conditions in real time. They also come with a multi-stage air filtration system that captures dust, allergens, and other pollutants, ensuring a healthy indoor atmosphere.

All these models from Panasonic are built with durability and reliability in mind. They use high-quality materials that extend the lifespan of the units and reduce maintenance requirements. Additionally, their energy-efficient designs help users save on electricity bills while contributing to environmental sustainability.

Overall, Panasonic’s CU-E22JKK, CU-2E18JBK, CU-E12JKK, CS-E12JKKW, and CS-E18JKK represent a blend of innovation, energy efficiency, and user-centric features, making them excellent options for anyone looking to upgrade their cooling systems.