NO
YES
YES
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
Does compressor operate?
Is compressor
turned off shortly?
Does inner
overload relay
(in compressor)
operate?
Check charged amount of refrigerant.
Check defective overload.
Check compressor.
Replace
compressor.
Replace TC
sensor.
Connect TC
sensor properly.
Is TC sensor
disconnected from
the sensing element?
Is circuit wiring
normal?
Is outdoor P.C.
board normal?
Wiring check/modification
Replace
P.C. board.
Replace
P.C. board.
Outdoor P.C. board
is defective.
Indoor P.C. board
is defective.
Is TC sensor
resistance value
(10 k
Ω
at 25
°
C) normal?
Failure
[09 Other cycle error] (1) (Heat pump model)
[09 Other cycle error] (2)
Clean filters.
Replace
TC sensor.
Charge
refrigerant.
Replacd
P.C. board.
Anti-freezing operation
Anti-freezing operation
Does indoor
fan operate?
Are filters clogged?
Is charged amount
of refrigerant normal?
Is outside air
low load?
Indoor P.C. board
is defective.
Is connector
connected properly?
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
Is condenser normal?
Is indoor fan
motor normal?
Connect
connector
properly.
Replace
condenser.
Replace
fan motor.
Is TC sensor
resistance value
(10 k
Ω
at 25
°
C) normal?
–
51
−
FILE NO. SVM-10049