York YU2E14YEEBMHO-X, Service Manual

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3. IPM continuity check
Turn off the power, let the large capacity electrolytic capacitors discharge completely, and dismount the IPM. Use a digital
tester to measure the resistance between P and UVWN; UVW and N.
Digital tester Normal resistance value
Digital tester Normal resistance value
(+)Red (-)Black
∞
(Several MΩ)
(+)Red (-)Black
∞
(Several MΩ) P
N
U
N
U
V
V W
W
(+)Red
4: Indoor AC Fan Motor
Measure the resistance value of each winding by using the tester.
Position
Resistance Value
YKSS-68-4-15-1 (Weiling)
Black - Red 285.8Ω±8% (20
℃
)
Red - Yellow 178.5Ω±8% (20
℃
)
Yellow - Blue 178.5Ω±8% (20
℃
)