Mitsubishi Electronics PCH24GK, PCH36GK, PCH30GK, PCH42GK OC277-48, How to check the parts, Pch

5. How to check the parts

Parts name						Check points
Room temperature				Disconnect the connector then measure the resistance using a tester.
thermistor	(RT1)			(Ambient temperature 50°F to 86°F)
Liquid pipe
				Normal		Abnormal	(Refer to the next page for a detail.)
thermistor	(RT2)
				4.3k" to 9.6k"		Open or short
Vane motor (MV)				Measure the resistance between the terminals using a tester.
Pink 4				(Ambient temperature 77°F)
	M					Normal		Abnormal
Orange 2				Connector		24,30,36,42GK
Red 5				Red — Yellow
1		3
				Red — Blue		150"		Open or short
Blue		Yellow
				Red — Orange
				Red — Pink
Fan motor (MF)				Measure the resistance between the terminals using a tester.
Relay connector
				Motor terminal		Normal		Abnormal
	Red		1			PCH
1				or
				Relay connector
2	White		2			24GK	30,36,42GK
3	Black			Red-Black		41.1"￿	20.4"￿
			3
								Open or short
				White-Black	54.3"		20.7"
Protector				Opening and closing temperature of protector.
				Open: 266i41°F (Fan motor OFF)
				Close: 176i68°F (Fan motor ON)

OC277-48