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

1.

Power failure.

1.

Restore power.

run 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

5.

Replace batteries.

 

 

have run 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

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.)

6.

(Consult your dealer or try to use a

 

 

 

 

back-up heater.)

 

 

 

Clicking sound is heard

In heating or cooling operation, any

This is normal, and the sound will

from the air conditioner.

plastic parts may expand or shrink

soon disappear.

 

due to a sudden temperature change.

 

 

 

In this event, a clicking sound may

 

 

 

occur.

 

 

 

 

 

OPERATION lamp lights

1. The use of portable telephones

1. Turn off the power then restart the

but outdoor unit will not

 

near the air conditioner may cause

 

air conditioner after 1 minute.

run.

 

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 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

– DB/– WB

17 °F DB/15 °F WB

 

OI-351-27EG

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Sanyo KHS1852, KHS0951, KHS1251 instruction manual Troubleshooting, Operating Range, Trouble Possible Cause Remedy

KHS1251, KHS0951, KHS1852 specifications

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