MITSUBISHI ELECTRIC MSZ-FA35VA - Manual (Page 20)

20
9-5. Trouble criterion of main parts
MSZ-FA25VA - MSZ-FA35VA -
E1 E1
Part name Figure Check method and criterion
Measure the resistance with a tester. (Part temperature 10˚C ~ 30˚C)
Normal
8 k " ~ 20 k "
Abnormal
Open or short-circuit
Room temperature
thermistor(RT11)
Indoor coil thermistor
(RT12(MAIN), RT13(SUB))
Horizontal vane
motor(MV1)
Normal
BRN-other one
Abnormal
Open or short-circuit
Measure the resistance between the terminals with a tester.
(Part temperature 10
° C ~ 30 ° C)
235 " ~ 255 "
Color of the lead wire
Vertical vane
motor(MV2)
i-see Sensor
motor(MT)
Normal Abnormal
Open or short-circuit
Measure the resistance between the terminals with a tester.
(Part temperature 10
° C ~ 30 ° C)
Front panel
driving motor
(MP)
Normal Abnormal
Open or short-circuit
Measure the resistance between the terminals with a tester.
(Part temperature 10
°
C ~ 30
°
C)
94 " ~ 102 "
i-see Sensor(RR)
Turn the power ON(i-see Sensor is energized) with the aluminum block part
on the i-see Sensor P.C. board (upper part of i-see Sensor) covered with black
vinyl tape, then measure the voltage between connector terminals of i-see
Sensor using tester.
(Part temperature 10 ~ 40
°
C)
282 " ~ 306 "
Normal range
2 (-) - 4 (+)
1 (+) - 2 (-)
Below 1.874 or above 3.387V DC
Below 1.010 or above 1.420V DC 1.874 ~ 3.387V DC
1.010 ~ 1.420V DC
i-see Sensor
connector terminals
Abnormal
NOTE: Pay attention to static electricity.
Indoor fan motor(MF) Check 9-6. A .
PLASMA DEODORIZING/
PLASMA AIR PURIFYING
power
Check 9-6. F or G .
Color of the lead wire
BRN-other one
Color of the lead wire
BRN-other one
RED
YLW
BRN
ORN GRN
ROTOR
RED
YLW
BRN
ORN GRN
ROTOR
RED
YLW
BRN
ORN GRN
ROTOR
i-see Sensor
Connector Black
vinyl tape
Aluminum block
i-see Sensor P.C. board
w The aluminum block
part is covered with
black vinyl tape.
OB371_--1qxp 05.1.17 12:50 Page 20