Midea MSV1-09HRFN1-MT0W, 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
RPG20B
Black - Red
381Ω±8%
(20
℃/68℉
)
(Brand: Weiling)
342
Ω±8%
(20
℃/68℉
)
(Brand: Dayang)
White - Black
267Ω±8%
(20
℃/68℉
)
(Brand: Weiling)
253
Ω±8%
(20
℃/68℉
)
(Brand: Dayang)