Panasonic CS-MKE12NKU Operations Manual download pdf (Page 54)

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.

OPERATING RANGE

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

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

run down.

4. Replace batteries.

OPERATION lamp blinks and air

conditioner does not operate.

Trouble in system. Contact service center.

Compressor runs but soon stops. Obstruction in front of condenser coil.

(Outdoor Unit)

Remove obstruction.

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

room.

2. Eliminate heat source if possible.

3. Doors and/or windows are open. 3. Shut them to keep the heat (or cold)

out.

4. Obstacle near air intake or air

discharge port.

4. Remove it to ensure good airflow.

5. Thermostat is set too high for

cooling (or too low for heating).

5. Set the temperature lower (or

higher).

6. (Outdoor temperature is too low for

heating.)

6. (Consult your dealer or try to use

another heat appliance.)

Clicking sound is heard from the air

conditioner.

In heating or cooling operation, any

plastic parts may expand or shrink due

to a sudden temperature change. In

this event, a clicking sound may occur.

This is normal, and the sound will soon

disappear.

OPERATION lamp lights but outdoor

unit will not run.

The use of cellular phones near the air

conditioner may cause disturbance to

its normal operation.

1. Turn off the power then restart the

air conditioner after a while.

2. Consult your dealer.

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

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Panasonic CS-MKE12NKU Operations Manual Page 54

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