Toshiba RAV-SM560AT-E Service Manual page 26

RAV-SM560XT-E/RAV-SM800XT-E
WHI
10 10 10
BLU
9 9 9
BLU
8 8 8
BLU
7 7 7
BLU
6 6 6
2
BLU
5 5 5
BLU
4 4 4
BLU
3 3 3
BLU
2 2 2
BLU
1 1 1
CN25 CN13
BRW
1
RED
2
ORN
3
YEL
4
PNK
5
BLU
6
CN07
LOUVER
MOTOR
SIMPLE CHECK POINTS FOR DIAGNOSING FAULTS
Check items
OPERATION Check to see if OPERATION indicator goes on and off when the main switch
1
or breaker is turned on.
indicator
Check the power supply voltage between 1 - 2 (Refer to the name plate.)
Terminal
2
Chack the fluctuate voltage between 2 - 3 (DC15 to 60V)
block
Fuse Check to see if the fuse blows out. (Check the varistor. : R22, R21)
3
6.3A
Check the voltage at the No.8 pin on CN13 connector of the infrared receiver.
4
DC 5V
(Check the transformer and the power supply circuit of the rated voltage.)
Check the voltage at the brown lead of the louver motor.
5
DC 12V
(Check the transformer and the power supply circuit of the rated voltage.)
SWITCH PCB
MCC-1428B
CN101 1 2 3
FOR FLOAT SWITCH
(OPTION)
When you use float
switch you should cut J401
1 2 3
CN402
CN100
1 2 3
10
POWER
9
SUPPLY
4
8
CIRCUIT
7
6
C02
5
4
DB01
3
2
R01
1
C01
5
1
2
3
4
5
6
C15
IC04
R507
R09
R21
FUSE
R22
250VAC
3
SG01
F01
T6.3A
P04
CN30
BLK
2
1
Diagnosis result
HEAT
EXCHANGER
SENSOR
(TCJ)
1 2
1 2
CN05
1 2 1 2 CN03
2
J401
1
DC12V
IC03
2
DC5V
1
CN01
R506
CR502
1
CR501
2
3
4
RY501
5
CN10
C501
MCC-1428A
3
2
R405 CR401 1
CN11
RY401
3
2
1
CN401
CN23
CN31
GRN&YEL
INDOOR
TERMINAL
2 3
BLOCK
– 25 –
THERMO
BLK
2 SENSOR
BLK
(TA)
1
BLK
2 HEAT
BLK
EXCHANGER
1
SENSOR
(TC)
1
WHI WHI
2 1 1
3 2 2
4 3 3
RED RED
5 4 4
5 5
BLK BLK
6 6
3 3 3
BLU
BRW
2 2 2
PUR
GRY
1 1 1
YEL GRY
100"C
FOR DRAIN PUMP
(OPTION)
INDOOR
UNIT
OUTDOOR
UNIT
Identification
BRW
RED
WHI
YEL
BLU
BLK
GRY
PNK
ORN
GRN&YEL
GRN
PUR
FAN-MOTOR
Color
: BROWN
: RED
: WHITE
: YELLOW
: BLUE
: BLACK
: GRAY
: PINK
: ORANGE
: GREEN&
YELLOW
: GREEN
: PURPLE