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4-2. Outdoor Unit (RAV-SM560AT-E)
SIMPLE CHECK POINTS FOR DIAGNOSING FAULTS
Diagnosis result
TERMINAL BLOCK
There is no supply voltage
(AC220 to 240V) between L - N , 1 - 2
There is no voltage (DC15 to 25V) 2 - 3
Power supply and connecting
cable check
Check
items
FUSE
T25A 250V to fuse (F01) blown
T3.15A 250V to fuse (F04) blown
Converter module (DB01) and
electrolytic capacitor (C12 to C14) check
IGBT module (Q200) check
Fan motor check
ELECTROLYTIC CAPACITOR VOLTAGE (C12, C13, C14)
DC320V not available between
+ – terminal of electrolytic capacitor
T25A fuse (F01) check
P.C. board and converter
module (DB01) check
INVERTER OUTPUT (Inverter and compressor connector out of position)
(Please confirm within six minutes after instructing in the drive.)
Voltage between each line of inverter side
conector pins are not equal.
IGBT module and
P.C. board check
CM
PMV
FM
TE
TD
TO
TS
IGBT
DB01
CT
Q300
: Compressor
: Pulse modulating valve
: Fan motor
: Heat exchanger Temp. Sensor
: Discharge Temp. Sensor
: Outdoor Temp. Sensor
: Suction Temp. Sensor
: Insulated Gate Bipolar Transistor
: Converter module
: Curreut Transformer
: Fan motor driver module
NOTE
Color Identification
BLK
BLU
RED
GRY
PNK
GRN
:
:
:
:
:
:
BLACK
BLUE
RED
GRAY
PINK
GREEN
WHI
BRW
ORN
YEL
PUR
:
:
:
:
:
WHITE
BROWN
ORANGE
YELLOW
PURPLE
P10
ORN
BRW
BZ
BY
BX
EW
BW
EV
BV
EU
BU
BLU
P09
P19P20
CT
C12
C13
C14
REACTOR
THERMOSTAT
FOR
COMPRESSOR
P08 P07
CN500
CN600
TE
TD
TO
TS
CN601
CN602
CN603
CN701
CN703
F01
P06
BLK
FUSE
T25A
250V~
P.C. BOARD
(MCC-813)
VARISTOR
SURGE
ABSORBER
RELAY
P02
P11
P12
P13
P14
CN300
Q300
CN301
P03
P01
ORN
WHI
PUR
BLK
FAN MOTOR
REACTOR
POWER
SUPPLY
220 to 240
50Hz
TO
INDOOR
UNIT
P17 P18
RED
WHI
BLK
YEL
PNK
GRY
FM
BLK
YEL
RED
ORN
RED
GRY
1
2
3
4
3
4
2
2
1
PULSE
MODULATING
VALVE
PMV
COIL FOR
4-WAY VALVE
N
L
3
2
1
+
–
+
–
+
–
POWER
RELAY
ELECTRONIC
STARTER
F04
FUSE
T3. 15A
250V~
DB01
Q200
CONVERTER
MODULE
IGBT MODULE
GEA
~
–
~
+
COMPRESSOR
RED
WHI
BLK
P21
P22
P23
CM
WHITE (S)
BLACK (C)
RED (R)
TERMINAL OF COMPRESSOR
The sign in ( ) is displayed
in the terminalcover
11
22
11
22
11
33
22
11
33
22
11
33
22
44
66
55
11
33
22
2 1
2 1
2 1
2 1
2 1
2
3
3 1
2 1
2 1
2 1
2 1
3
3
2 1
2 1
4 3
4 3
5
5
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