8
Maintenance /Service
Cleaning the air conditioner
Clean the surface of the unit with a damp cloth, then dry using
a duster or similar.
Do not use chemical solvent (like benzene or alcohol) to clean the
surface of the unit. If you do so, the surface may be scratched,
damaged or even cause the case to become deformed.
Prior to operating seasons
1. Check to ensure that the air inlets and outlets of the unit are
not blocked.
2. Make sure that air fi lter is properly in place before operat-
ing the machine. If the machine is operated with air fi lter
removed, dust and foreign objects will result in faulty perfor-
mance of the air conditioner.
!
CAUTION
Preparation for storage
1. Turn off the air conditioner, disconnect the power.
2. Perform proper maintenance to the air fi lter and other parts.
3. Open the base stopper to drain out all of the water from the
base. Operating the unit in fan only mode for 12 hours will
help ensure there is no moisture within the unit.
4. Cover the unit to prevent dust or fi lth from entering the unit.
Trouble
Check
Action
Air conditioner does
not operate
Is there power?
Is it plugged in?
Push the plug into the wall socket
Is the fuse or circuit breaker switch off?
Change the fuse or reset breaker
Is timer on?
Pres TIMER button
Cooling effi ciency
is not good
Is air inlet or outlet blocked?
Clear the air path
Is there any other heat source in the room?
Move the unit away from heat source
Are air fi lters dirty?
Clean the air fi lter
Is SET TEMP suitable?
Set to a suitable temperature
Is indoor fan speed set at low?
Set to a suitable fan speed
Too much noise and
vibration
Is the sound part of the refrigeration cycle?
The sound may be normal
Is unit leveled?
Move unit to a level location
The machine starts
and stops frequently
Is the voltage of the power source correct and continuous?
Repair the power source
Is the air exhaust bent?
Try to keep the air exhaust horizontal
In case of major malfunction, disconnect power immediately and call for service.
!
WARNING
Troubleshooting
Before seeking repair or service, please check the following fi rst:
Safety Precautions
• Make sure the unit is installed in an accessible location.
• Do not locate the unit in direct sunlight so as to avoid discol-
oration of the plastic.
• Do not use the unit in water or near water to avoid electrical
shock.
• Do not use near gas appliances, fi res or in the vicinity of
fl ammable liquids.
• Only operate the unit in the appropriate upright position.
!
CAUTION
!
WARNING
Power Sources
• Do not use a damaged or improper AC socket.
• When unplugging the unit, hold the power plug securely
and pull it out carefully.
• Never use an extension cord with this air conditioner.
Other Warnings
• Keep the unit one meter away from TV sets or radios to
avoid the risk of electromagnetic interference.
• Ensure that the discharge air outlet is free from obstruc-
tions and not impeded by walls or other structures.
