Why does my Panasonic Air Conditioner make a water flowing sound during operation?
- SScott PowellSep 1, 2025
The water flowing sound you hear during the operation of your Panasonic Air Conditioner is due to refrigerant flow inside the unit.
Why does my Panasonic Air Conditioner make a water flowing sound during operation?
The water flowing sound you hear during the operation of your Panasonic Air Conditioner is due to refrigerant flow inside the unit.
Why is my Panasonic Air Conditioner freezing up during cooling?
If your Panasonic Air Conditioner is experiencing indoor freeze protection during cooling, it's likely due to an air short circuit at the indoor unit. Check the indoor heat exchanger, air filter, and for any air circulation short circuits.
Why does my Panasonic Air Conditioner make a cracking sound during operation?
The cracking sound during operation of your Panasonic Air Conditioner is due to changes in temperature causing the expansion and contraction of the unit.
What causes an indoor/outdoor misconnection abnormality in a Panasonic Air Conditioner?
If there's an indoor/outdoor misconnection abnormality with your Panasonic Air Conditioner, it's caused by different rated voltages between the indoor and outdoor units. Check the indoor and outdoor units to resolve this.
What does it mean when my Panasonic CS-E12LKEW says 'indoor unit capacity unmatched'?
If your Panasonic Air Conditioner displays an indoor unit capacity unmatched error, it means that the total indoor capability is either more than the maximum limit or less than the minimum limit, or the number of indoor units is less than two. Check the indoor/outdoor connection wire, indoor/outdoor PCB, and the specification and combination table in the catalogue.
How to fix an outdoor discharge pipe temperature sensor abnormality on a Panasonic CS-E12LKEW Air Conditioner?
If your Panasonic Air Conditioner displays an outdoor discharge pipe temperature sensor abnormality, it means the sensor is either open or short circuit. Check the outdoor discharge pipe temperature sensor lead wire and connector.
What should I do if my Panasonic CS-E12LKEW displays an indoor E-Ion abnormality?
If your Panasonic Air Conditioner shows an Indoor E-Ion abnormality, check the E-Ion PCB.
What to do if my Panasonic CS-E12LKEW unit stops and the timer indicator blinks?
To address this issue, use the remote control to retrieve the error code: press for 5 seconds, then press until you hear a beep sound and note the error code. For certain errors, you may restart the unit with limited operation, indicated by 4 beeps during start-up. If the problem persists, turn the unit off and provide the error code to an authorized dealer.
What does it mean when the power indicator blinks during HEAT mode with no warm air supply in my Panasonic Air Conditioner?
If the power indicator blinks during HEAT mode and there's no warm air supply from your Panasonic Air Conditioner, the unit is likely in defrost mode and the AIR SWING is set to AUTO.
What does it mean when the timer indicator is always on in my Panasonic CS-E12LKEW Air Conditioner?
If the timer indicator on your Panasonic Air Conditioner is always on, it means the timer setting repeats daily once set.
Explains general safety rules and the meaning of warning/caution symbols.
Safety advice specific to indoor/outdoor units and the remote control.
Safety guidelines for electrical connections and power handling.
Recommended indoor temperature ranges for cooling and heating.
Explains the concept of multi air conditioner systems and space saving.
Describes the operation of indoor units in a multi-system.
Notes on e-ion operations when the air conditioner is turned off.
Temperature ranges for multi split outdoor units.
Safety, cleaning methods, and maintenance tips for the indoor unit.
Details on parts like front panel, sensors, filters, and their functions.
Explains the remote control indicators, buttons, and their functions.
How to select temperature, operation modes (Auto, Heat, Cool, Dry), and fan speed.
Explains ECO PATROL for energy saving and e-ion for air purification.
Function to achieve desired temperature quickly and setting ON/OFF timers.
Lists common operating sounds or behaviors that are not errors.
Steps to check before calling for servicing for common issues.
How to retrieve error codes and conditions requiring authorized dealer service.
Guidelines for the collection and disposal of used electrical products and batteries.
Specific instructions for users within the European Union regarding waste disposal.
Guidance for disposal methods in countries outside the European Union.
Steps for preparing the remote control, including battery insertion.
Instructions for selecting the desired operating mode.
How to start/stop the unit and select the desired temperature.
Explains general safety rules and the meaning of warning/caution symbols.
Safety advice specific to indoor/outdoor units and the remote control.
Safety guidelines for electrical connections and power handling.
Recommended indoor temperature ranges for cooling and heating.
Explains the concept of multi air conditioner systems and space saving.
Describes the operation of indoor units in a multi-system.
Notes on e-ion operations when the air conditioner is turned off.
Temperature ranges for multi split outdoor units.
Safety, cleaning methods, and maintenance tips for the indoor unit.
Details on parts like front panel, sensors, filters, and their functions.
Explains the remote control indicators, buttons, and their functions.
How to select temperature, operation modes (Auto, Heat, Cool, Dry), and fan speed.
Explains ECO PATROL for energy saving and e-ion for air purification.
Function to achieve desired temperature quickly and setting ON/OFF timers.
Lists common operating sounds or behaviors that are not errors.
Steps to check before calling for servicing for common issues.
How to retrieve error codes and conditions requiring authorized dealer service.
Guidelines for the collection and disposal of used electrical products and batteries.
Specific instructions for users within the European Union regarding waste disposal.
Guidance for disposal methods in countries outside the European Union.
Steps for preparing the remote control, including battery insertion.
Instructions for selecting the desired operating mode.
How to start/stop the unit and select the desired temperature.
| Type | Split system |
|---|---|
| Thermostat range | - °C |
| Hose length (max) | 15 m |
| Remotely operated | Yes |
| Cooling capacity (max) | 3010 BTU/h |
| Dehumidifying capacity | 2 l/h |
| Heating capacity (max) | 3440 BTU/h |
| Cooling capacity in watts (max) | 3500 W |
| Heating capacity in watts (max) | 4000 W |
| Cooling energy efficiency (EER, W/W) | 4.07 |
| Heating energy efficiency (COP, W/W) | 4.21 |
| Indoor unit type | Wall-mountable |
| Airflow | 750 m³/h |
| Noise level | 58 dB |
| Power requirements | 230 V |
| Weight | 9000 g |
|---|---|
| Dimensions (WxDxH) | 780 x 204 x 290 mm |












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