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4-1. Indoor Unit
RAS-M10YKV-E, RAS-M13YKV-E
RAS-M10YKCV-E, RAS-M13YKCV-E
BLK
P04
INDOOR
TERMINAL
BLOCK
2
BLK
1
CN30
WHI
2
RED
3
GRN & YEL
OUTDOOR
INDOOR
UNIT
UNIT
Table 4-1-1 Simple check points for diagnosing faults
Check items
Check to see if the OPERATION indicator goes on and off when the main
OPERATION
switch or breaker is turned on, or the power cord is plugged in the wall
indicator
outlet. (Check the primary and secondary voltage of transformer.)
Check for power supply voltage between
Terminal
plate.) (Check the primary and secondary voltage of transformer.)
block
Check for fluctuate voltage between
Fuse
Check to determine if the fuse is open.
6,3A
(Check Varistor : R109, R21)
Check for voltage at the pink lead of the infrared rays receive parts.
DC 5V
(Check the transformer and the rated voltage power supply circuit.)
Check for voltage at the
DC 12V
(Check the transformer and the rated voltage power supply circuit.)
Check for voltage at the CN10 connector side point.
DC 35V
(Check the transformer and the rated voltage power supply circuit.)
For detailed diagnostic procedure, refer to the service data.
DSA : Surge Absorber
4. WIRING DIAGRAM
R109
VARISTOR
R116
J04
SG01 DSA
T6,3A 250V
F01 FUSE
R21
3
CN23
CN13
1
2
3
4
1
2
3
4
1
1
2
3
4
INFRARED RAYS RECEIVE
AND INDICATION PARTS
Diagnosis result
lead of louver motor.
– 18 –
LOUVER
MOTOR
6 5 4 3 2 1
6 5 4 3 2 1
CN07
IC04
L01
R01
C15
C01
MAIN P.C. BOARD
(MCC-772)
4
CN03
5
6
7
8
9
1
1
5
6
7
8
9
5
6
7
8
9
CN25
–
. (Refer to the name
–
. (DC 15 to 60V)
FAN MOTOR
DC MOTOR
5
4 3 2
1
5
4
3 2
1
CN10
5
6
DB01
TO1
DC35V
DC12V
C02
DC7V
DC0V
C06
IC02
IC
IC01
CN01
2
1
2
2
1
2
HEAT
THERMO
EXCHANGER
SENSOR
SENSOR
(TA)
(TC)
COLOR
IDENTIFICATION
BRW :
BROWN
RED :
RED
WHI :
WHITE
YEL :
YELLOW
BLU :
BLUE
BLK :
BLACK
GRY :
GRAY
PNK :
PINK
ORN :
ORANGE
GRN
:
GREEN &
&YEL
YELLOW
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