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Owner’s Manual
K6HK144BBA2ACA0 / K6HK144BEA2ACA0
SELF-DIAGNOSTIC ALARM CODES
Alarm Code
Possible Causes
What To Do
Compressor
overload
• High ambient
temperature
• Unstable power
supply
• Defective
compressor
• Ambient temperature
must be under 45°C(113°F)
• Check the power supply
• Contact a qualified
service agent
Out of phase
Incorrect power cable
connection
Re-connect the power cable
to the correct power source
Drain pump
(Applicapable for
unit with drain
pump)
• Defective drain
pump
• Improper water
circulation
• Check the hose connection
from drain pump
• Replace the drain pump
• Contact a qualified service
agent
High pressure
• Improper air
circulation
• High ambient
temperature
• Clean the air filter
• Ensure exhaust duct is not
blocked or kinked
• Ambient temperature must
be under 45°C(113°F)
Low Pressure
• Refrigerant leak
• Low ambient
temperature
• Contact a qualified
service agent
Table 1- Alarm Codes