Toshiba RAS-18UFHP-E4 Service Manual page 64

[09 Other cycle error] (1)
Does compressor
operate?
Is compressor
turned off shortly?
Is TC sensor
NO
resistance value
(10kΩ at 25°C) normal?
Replace TC
sensor.
Is TC sensor
YES
disconnected from the
sensing element?
Connect TC
sensor properly.
[09 Other cycle error] (2)
NO
Is connector
connected properly?
Connect
connector
properly.
NO
Is condenser
normal?
Replace
condenser.
Is indoor fan
NO
motor normal?
Replace
fan motor.
NO
YES
Does inner
YES
overload relay
(in compressor)
operate?
NO
YES
Is circuit wiring
normal?
Is outdoor
P.C. board normal?
NO
NO
Does indoor fan
operate?
Are filters clogged?
YES
Is TC sensor
resistance value (10kΩ
at 25°C) normal?
Is charged amount of
YES
refrigerant normal?
Is outside air
YES
low load?
Indoor P.C. board
is defective.
Check charged amount of refrigerant.
YES
Check defective overload.
Check compressor.
NO
NO
YES
NO
Outdoor P.C. board
is defective.
YES
Indoor P.C. board
is defective.
YES
YES
NO
NO
YES
NO
Anti-freezing
YES
YES
Anti-freezing
NO
– 63 –
FILE NO. SVM-05015
Failure
Replace
compressor.
Wiring check/modification
Replace
P.C. board.
Replace
P.C. board.
Clean filters.
Replace
TC sensor.
operation
Charge
refrigerant.
operation
Replacd
P.C. board.