Troubleshooting Tips Care and Maintenance Operating Instructions Safety Precautions

Before you call for service...

?Troubleshooting Tips! Save time and money!

Check the following points before requesting repairs or service.... If the fault persists, please

contact your dealer or service center.

Case

Explanation

 

See page

 

 

 

 

Does not operate.

• Have you made a mistake in timer operation?

 

 

 

 

 

 

 

• Has the fuse blown or has the circuit breaker been

 

 

 

 

 

tripped?

 

 

 

 

 

• Is the power Switch at Off?

 

-

 

• Is the unit at the starting of Heating Operation?

 

 

If yes, Hot-start is activating.

 

 

 

• Is the unit in the Deicing?

 

 

 

 

 

If yes, wait for finishing the Deicing.

 

 

 

 

 

 

The room has a peculiar

• Check that this is not a damp smell exuded by the

 

-

odor.

walls, carpet, furniture, or cloth items in the room.

 

 

 

It seems that condensation is

• Condensation occurs when the airflow from the air

 

 

leaking from the air

conditioner cools the warm room air.

 

-

conditioner.

 

 

 

Air conditioner does not

• This is the Protection device of the air conditioner .

 

 

operate for about 3 minutes

• Wait about three minutes and operation will begin.

 

 

 

when restarted.

• If the airflow begins before its temperature become

 

 

 

warm, it will cause an undesired cooling effect. In

 

 

 

order to prevent this, the airflow will not begin until

 

 

 

it is sufficiently warm.

 

 

 

 

 

 

Does not cool or heat

• Is the air filter dirty? See air filter cleaning

 

17

effectively.

instructions.

 

 

 

 

• The room may have been very hot when the room

 

 

 

 

 

 

 

air conditioner was first turned on. Allow time for it

 

-

 

to cool down.

 

 

 

 

 

 

 

• Has the temperature been set incorrectly?

 

 

 

-

 

• Are the indoor unit's air inlet or outlet vents

 

 

obstructed?

 

 

 

 

 

 

 

 

The air conditioner operation

• For a noise that sounds like water flowing.

 

 

is noisy.

-This is the sound of freon flowing inside the air

 

 

 

 

conditioner unit.

 

-

 

• For a noise that sounds like the compressed air

 

 

releasing into atmosphere.

 

 

 

-This is the sound of the dehumidifying water being

 

 

 

 

 

processed inside the air conditioning unit.

 

 

 

 

 

 

Remote controller display is

• Are the batteries depleted?

 

 

faint, or no display at all.

• Are the batteries inserted in the opposite (+) and (-)

 

7

 

directions?

 

 

 

 

 

 

NOTE

WATER RESISTANT: The outdoor side of this appliance is WATER RESISTANT.

The indoor side is not water resistant and should not be exposed to excess water.

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Lennox International Inc R22 manual Before you call for service, ? Troubleshooting Tips! Save time and money