Mitsubishi Electric Mr.SLIM SEZ-KC25VA.W Technical & Service Manual page 12

6-4. Trouble criterion of main parts
SEZ-KC25VA.W
Part name
Intake air temperature
thermistor (TH1)
Pipe temperature
thermistor/liquid (TH2)
Condenser/evaporator
temperature thermistor (TH5)
Indoor fan motor
(MF)
Relay connector
Protector
White
1
Orange
2
Red
3
Black
4
Brown
7
Yellow
5
Blue
6
Check method and criterion
Measure the resistance with a tester.
(Part temperature 10°C ~ 30°C)
Normal
8kΩ~20kΩ
Measure the resistance between the terminals using a tester.
Motor terminal
or
Normal
Relay connector
261 Ω
White-Black
294 Ω
White-Brown
389 Ω
White-Yellow
475 Ω
White-Blue
Abnormal
Opened or short-circuited
Abnormal
Open or short
12
(at 20˚C)