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 performance.

1.

Dirty or clogged air filter.

1.

Clean air filter to improve airflow.

 

2.

Heat source or many people in room.

2.

Eliminate heat source if possible.

 

3.

Doors and/or windows are open.

3.

Shut them to keep the heat out.

 

4.

Obstacle near air intake or air

4.

Remove it to ensure good airflow.

 

 

discharge port.

 

 

 

5.

Thermostat is set too high for cooling.

5.

Set the temperature lower.

 

 

 

Clicking sound is heard from the air

In cooling operation, any plastic parts

This is normal, and the sound will soon

conditioner.

may shrink due to a sudden

disappear.

 

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

 

 

 

 

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Panasonic CS-MKS9NKU, CS-MKS7NKU, CS-MKS12NKU appendix Troubleshooting Before Calling for Service

CS-MKS12NKU, CS-MKS7NKU, CS-MKS9NKU specifications

The Panasonic CS-MKS7NKU, CS-MKS9NKU, and CS-MKS12NKU are part of Panasonic's reputable air conditioning lineup, designed to provide efficient and comfortable cooling and heating solutions for various spaces. These models are ideal for residential and light commercial use, showcasing a blend of innovative technology and user-friendly features.

One of the main characteristics of these units is their inverter technology, which optimizes energy consumption by adjusting the compressor speed based on the cooling or heating demand. This results in lower energy bills and a more sustainable approach to climate control, aligning with the growing demand for eco-friendly solutions. The inverter operation not only enhances energy efficiency but also contributes to quieter operation compared to traditional systems.

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