| The exhaust is obstructed | Check the exhaust duct. Remove | |
| any obstructions | ||
|
| ||
| The unit is set in dehumidifying | Set the unit in cooling mode | |
| mode | ||
|
| ||
| 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 | You may need additional cooling | |
| room | or another air conditioner | |
| There is direct sunshine into the | Close curtains and blinds. Try to | |
| minimize the amount of direct | ||
| room | ||
| sunlight into the room | ||
|
| ||
The unit has worked for a long | The room is a kitchen, with many | You may need additional cooling | |
or another air conditioner | |||
time, but the room is not cold | |||
| You may need additional cooling | ||
enough | There is a server in the room | ||
or another air conditioner | |||
|
| ||
| The room is too large | You may need additional cooling | |
| or another air conditioner | ||
|
| ||
| There are many electrical | You may need additional cooling | |
| appliances in the room | or another air conditioner | |
|
| You may need additional cooling | |
| The room is not well insulated | or another air conditioner, or you | |
|
| may need to add insulation | |
| The unit is not level | Make sure the unit is level | |
The unit is very noisy | The compressor is bad | Call for service | |
The floor underneath the unit is | Move the unit to a location with a | ||
| |||
| uneven | level, even floor | |
The unit is leaking water onto the | The rubber drain stoppers are not | Install the rubber drain stoppers | |
floor | installed |
| |
The unit was tilted, or is not level | Make use the unit remains level | ||
| |||
|
| Make sure the exhaust hose is not | |
| The unit is unable to work as | ||
The evaporator coils freeze up | efficiently as it needs to | filter is clean, and that nothing is | |
| obstructing any of the air inlets | ||
|
| ||
|
|
| |
| The ambient temperature is too | Use the unit only when the | |
| cold | ambient temperature warms up | |
The unit shows an error code | Various factors | Call for service | |
beginning with "E" | |||
|
| ||
Other issues | Various factors | Call for service |
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