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 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 control unit 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.

 

 

 

 

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

2.

Eliminate heat source if possible.

 

 

room.

 

 

 

3.

Doors and/or windows are open.

3.

Shut them to keep the heat (or cold)

 

 

 

 

out.

 

4.

Obstacle near air intake or air

4.

Remove it to ensure good airflow.

 

 

discharge port.

 

 

 

5.

Thermostat is set too high for

5.

Set the temperature lower (or

 

 

cooling (or too low for heating).

 

higher).

 

6.

(Outdoor temperature is too low for

6.

(Consult your dealer or try to use

 

 

heating.)

 

another heat appliance.)

 

 

 

Clicking sound is heard from the air

In heating or cooling operation, any

This is normal, and the sound will soon

conditioner.

plastic parts may expand or shrink due

disappear.

 

to a sudden temperature change. In

 

 

 

this event, a clicking sound may occur.

 

 

 

 

 

 

OPERATION lamp lights but outdoor

1. The use of cellular phones near the

1.

Turn off the power then restart the

unit will not run.

 

air conditioner may cause

 

air conditioner after a while.

 

 

disturbance to 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

67

°F DB

 

 

 

 

 

HEATING

Max.

80 °F DB / 67 °F WB

75

°F DB / 65 °F WB

 

 

 

 

 

Min.

– DB / – WB

0 °F DB

 

 

 

 

 

OI-801-25EG

25

 

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Sanyo KHS2472, KHS1872 instruction manual Troubleshooting, Operating Range, Trouble Possible Cause Remedy

KHS1872, KHS2472 specifications

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