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SERVICE MANUAL
Portable Air Condi oners
Frost prevenon
sensor and
Abnormal
temperature
sensor value
Refrigerant high
pressure switch
Abnormal
temperature
sensor value
Abnormal
temperature
sensor value
Compressor
overloaded
Condensate
water level
alarm
Drain pump
alarm
Indoor heat exchanger
temperature too low
TH3 temperature sensor
has a loose or broken
connecon
Blocked air filter
Blocked / kinked exhaust
duct
Ambient temperature
is too high
TH1(Outlet) temperature
sensor has a loose or
broken connecon
TH2(Inlet) temperature
sensor has a loose or
broken connecon
Condensate tank is full
Drain pump defecve or
improper hose connecon
(including kink or blockage)
Ambient temperature is
too high
Unstable voltage supply
Defecve compressor
Do not use the air
condioner if ambient
temperature is lower than
18°C (64°F)
Contact a qualified service
agent
Clean air filter
Ensure exhaust duct is not
blocked / kinked
Do not use the air
condioner if ambient
temperature is higher than
45°C (113°F)
Contact a qualified service
agent
Contact a qualified service
agent
Do not use the air
condioner if ambient
temperature is higher than
45°C (113°F)
Contact a qualified service
agent
Replace compressor
Empty the water tank
Aer installaon of the
water tank, press the SPOT/
COOL or ROOM/COOL
buon to resume operaon
Check the hose connecon
and hose
Replace drain pump
Alarm Display
Problem
Cause
Correcve Acon
Self-Diagnos c Codes
Self-diagnos c codes are displayed on the Display Panel under the following
condi ons.
