Toshiba RAV-SM560XT-E Service Manual page 13

4-3. Outdoor Unit (RAV-SM800AT-E)
THERMOSTAT
FOR
COMPRESSOR
ORN
2 2
CN500
1 1
ORN
4-WAY VALVE COIL
3 3 3
CN700
1 1 1
FAN MOTOR
5 5
4 4
FM
CN300
3 3
2 2
1 1
2
3 3
CN301
2 2
1 1
6 6
5 5
4 4
PMV
CN702
3 3
2 2
1 1
PHOTO COUPLER
SUB
2
P .C. BOARD
(MCC-1398)
CN02
SIMPLE CHECK POINTS FOR DIAGNOSING FAULTS
Check
items
TERMINAL BLOCK
There is no supply voltage
1
(AC220 to 240V) between L - N , 1 - 2
There is no voltage (DC15 to 25V) 2 - 3
FUSE
25A fuse (F01) blown, 15A fuse (F02) blown
3.15A fuse (F04) blown,
2
T5A fuse (F300) blown (SUB P .C. board)
T3.15A fuse (F01) blown (SUB P .C. board)
ELECTROLYTIC CAPACITOR VOLTAGE (C10, C11, C12, C13)
DC320V not available between
3
+ terminal of electrolytic capacitor
INVERTER OUTPUT (CN09, CN10, CN11)
(Please confirm within six minutes after instructing in the drive.)
4
Voltage between each line of inverterside
conector pins are not equal.
Compressor
2 2
CN604
1 1
2 2
CN605
GRN
1 1
3 3
2
CN600
1 1
2 2
CN601
1 1
Fan
circuit
3 3
CN302
1 1
F300
FUSE
5 5
T5A
4 4
CN800
3 3
2 2
1 1
2 2
CN04
1 1
5 5
4 4
3 3
CN01
2 2
1 1
F01
FUSE
T3.15A
1 2 3
1 2 3
GRY
WHI
1
Diagnosis result
Connecting cable check
Converter module (DB01) and electrolytic
capacitor (C10 to C13) check IGBT
module (Q200) check, Fan motor check
SUB P .C. board check
25A fuse (F01) check
P .C. board and coverter
module (DB01) check
IGBT module and
P .C. board check
RED
WHI
CM
BLK
TE
POWER SUPPLY CIRCUIT
(FOR P .C. BOARD)
TS
TD
TO
BLU
3 3
CN04
YEL
1 1
BLK
5 5
WHI
4 4
BLU
CN06
3 3
RED
2 2
PNK P .C. BOARD
1 1
(MCC-1359)
2 2
ORN
CN05
1 1
BLK
5 5
4 4
WHI
3 3
2 2
RED
1 1
CN13
REACTOR
RED
1 2 3 L N
TO POWER
INDOOR SUPPLY
UNIT 220-240V
~50Hz
– 11 –
CN09
CN10
CN11
F04
2
FUSE
3.15A
C13
3
C12
C11
C10 2
POWER
RELAY
RY01
R05
R06
T02
CT
F01
VARISTOR
SURGE
FUSE
2
ABSORBER
25A
CN01 CN02
RED WHI
TERMINAL OF COMPRESSOR
BLACK(C)
WHITE(S)
Color Identification
BLK : BLACK
BLU : BLUE
RED : RED
GRY : GRAY
PNK : PINK
GRN : GREEN
+
T03
BU
CT
EU
BV
EV
IGBT
T04
BW
module
CT
EW
BX
4
BY
BZ
Q200
P20
YEL
P19
P18
BLU
P17
F02
FUSE
G
15A
E
A
Converter
~
module
~
+
DB01
P10
ORN
P11
REACTOR
P13
2 2
1 1
P12
REACTOR
P09
2 2
1 1
P08
P15
BRN
P14
CN03
BLK
The sign in ( )
is displayed
in the terminal
cover
RED(R)
WHI : WHITE
BRN : BROWN
ORN : ORANGE
YEL : YELLOW
PUR : PURPLE