KoldFront PAC9000 User Manual download pdf (Page 19)

18

The air intake is obstructed

Make sure there is at least 20" of

clearance from the air intake (on

the front of the unit)

The exhaust duct is too long

Make the exhaust duct as short as

possible

The exhaust is obstructed

Check the exhaust duct. Remove

any obstructions

The unit is set in dehumidifying

mode

Set the unit in cooling mode

not very cold, or the airflow

volume is weak

The unit is set to low fan speed Set the unit to high fan speed

Windows or doors are open

Close all windows and doors into

the room when the unit is cooling

There are too many people in the

room

You may need additional cooling

or another air conditioner

There is direct sunshine into the

room

Close curtains and blinds. Try to

minimize the amount of direct

sunlight into the room

The room is a kitchen, with many

heat-producing appliances

You may need additional cooling

or another air conditioner

There is a server in the room

You may need additional cooling

or another air conditioner

The room is too large

You may need additional cooling

or another air conditioner

There are many electrical

appliances in the room

You may need additional cooling

or another air conditioner

The unit has worked for a long

time, but the room is not cold

enough

The room is not well insulated

You may need additional cooling

or another air conditioner, or you

may need to add insulation

The unit is not level Make sure the unit is level

The compressor is bad Call for service

The unit is very noisy

The floor underneath the unit is

uneven

Move the unit to a location with a

level, even floor

The rubber drain stoppers are not

installed

Install the rubber drain stoppers

The unit is leaking water onto the

floor

The unit was tilted, or is not level Make use the unit remains level

The unit is unable to work as

efficiently as it needs to

Make sure the exhaust hose is not

over-extended or kinked, that the

filter is clean, and that nothing is

obstructing any of the air inlets

The evaporator coils freeze up

The ambient temperature is too

cold

Use the unit only when the

ambient temperature warms up

The unit shows an error code

beginning with "E"

Various factors Call for service

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