Troubleshooting

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

1.

Power failure.

1.

Restore power.

at all.

2.

Leakage circuit breaker tripped.

2.

Contact service center.

 

3.

Line voltage is too low.

3.

Consult your electrician or dealer.

 

4.

Operation button is OFF.

4.

Press the button again.

 

5.

Batteries in remote control unit have run

5.

Replace batteries.

 

 

down.

 

 

OPERATION lamp flashes

Trouble in wiring system.

Contact service center.

and air conditioner does not

 

 

 

 

operate.

 

 

 

 

Compressor runs but soon

Obstruction in front of condenser coil.

Remove obstruction.

stops.

 

 

 

 

Poor cooling (or heating)

1.

Dirty or clogged air filter.

1.

Clean air filter to improve airflow.

performance.

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

4.

Remove it to ensure good airflow.

 

 

port.

 

 

 

5.

Thermostat is set too high for cooling (or

5.

Set the temperature lower (or higher).

 

 

too low for heating).

 

 

 

6.

(Outdoor temperature is too low.)

6.

(Consult your dealer or try to use a

 

 

 

 

back-up heater.)

Clicking sound is heard from

In heating or cooling operation, any plastic

This is normal, and the sound will soon

the air conditioner.

parts may expand or shrink due to a

disappear.

 

sudden temperature change. In this event,

 

 

 

a clicking sound may occur.

 

 

OPERATION lamp lights but

1.

The use of portable telephones near the

1.

Turn off the power then restart the air

outdoor unit will not run.

 

air conditioner may cause disturbance to

 

conditioner after 1 minute.

 

 

its normal operation.

 

 

 

 

 

2.

Consult your dealer.

 

 

 

 

 

Tips for Energy Saving

Do not ·

·

Block the air intake and outlet of the unit. If they are obstructed, the unit will not work well, and may be damaged.

Let direct sunlight into the room. Use sunshades, blinds or curtains. If the walls and ceiling of the room are warmed by the sun, it will take longer to cool the room.

Do ·

·

Always try to keep the air filter clean. (Refer to ``Care and Cleaning''.) A clogged filter will impair the performance of the unit.

To prevent conditioned air from escaping, keep windows, doors and any other openings closed.

Operating Range

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

 

Temperature

Indoor Air Intake Temp.

Outdoor Air Intake Temp.

COOLING

Maximum

95 °F DB/71 °F WB

115 °F DB

Minimum

67 °F DB/57 °F WB

67

°F DB

 

HEATING

Maximum

80 °F DB/67 °F WB

75

°F DB/65 °F WB

Minimum

Ð DB/Ð WB

0 °F DB/−2 °F WB

 

OI-202-27EG

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Sanyo KGS1411, CG1411 service manual Troubleshooting, Tips for Energy Saving, Operating Range

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