Ipm Continuity Check - Kaisai KFU-09HRDN1-QRC8W Service Manual

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
(+)Red (-)Black
N
U
P
V
W
Digital tester
(+)Red (-)Black
U
V N
W
4.Indoor AC Fan Motor
Measure the resistance value of each winding by using the tester.
Position
Black - Red
White - Black
Normal resistance value
∞
(Several MΩ)
Normal resistance value
∞
(Several MΩ)
RPG20E
430Ω±8% (20℃)
370Ω±8% (20℃)
Resistance Value
69
RPG45C
168Ω±8% (20℃)
141Ω±8% (20℃)