X3 Multisplit Cassette
IU
14
5 Malfunction Debarring
Warning!
①
.
Cut down the main power switch immediately if malfunction (such as smell the
burning odor etc.) happened, and then contact service center. If the abnormal
state is maintained, the unit may be damaged or electric shock or fire may be
happened.
②
.
Do not refit the conditioner. Please contact service center to repair or move
the conditioner.
5.1 Check the following items before contacting maintenance
center
Phenomena
Reason
Remedial Measures
Air conditioner
doesn’t run at all
Blow of fuse or breaker
Change fuse or close brea ker
Power cut
Resta rt when there is power
supply
Don’t connect with power
Connect power well
Low batteries of wireless remote
controller
Change new batteries
Wireless remote controller
exceed remote control area
Signal could be received within
8m
Air conditioner runs
but stops immediately
Blockage in inlet or outlet vent of
indoor or outdoor unit
Clean out blockage
Abnormal cooling or
heating
Blockage in inlet or outlet vent of
indoor or outdoor unit
Clean out blockage
Improper of temp. setting
Adjust settings in wireless
remote controller
Low setting of fan speed
Adjust settings in wireless
remote controller
Incorrect of wind direction
Adjust settings in wireless
remote controller
Door or window opened
Close
Direct sun burn
Hang curtain or jalousie before
windows
Too many people in room
Too many heater in room
Filter blocked by dirt
Clean filter
