Jf air conditioner does not operate:Check if unit is plugged in_ The plug may have come Joose_Check if the electrical wall receptacle is of proper vdtage_Check if the circuit breaker needs to be reset or if the fuse needs to be replaced_Check if the unit is in "Off" mode_The fan control may be in "Off" position.Air conditioner working but room not cooling:Room may have appliances that produce heat. Use an exhaust fan to remove excess heat.Check exhaust hose for proper installationsRedirect the airflow. Removeany obstacles.All doors and windows need to be closed so cool air doesnot escape the room_Air filter may be blocked or may need deaning_Unit BTU may be too low for the required cooling area_On extreme hot & humid days air conditioners may take a little longer to cook(9)

Haier HPAC9M User Manual

HPAC9M - Portable Air Conditioner

A Word From Haier

Safety Precautions

Advantages

Parts and Features

Assembly and Installation

Operation

Care and Cleaning

Trouble Shooting

limited warranty

cuidado y mantenimiento