Service Manual

49
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 M)
(+)Red
(-)Black

(Several M)
P
N
U
N
U
V
V
W
W
(+)Red
4: Indoor outdoor Fan Motor
Measure the resistance value of each winding by using the tester.
Model
YKT-32-6-202L
YKT-32-6-3L
YKT-48-6-206
YKT-63-6-200L
Brand
Tongde
Welling
Welling
Welling
Black – Red
Main

86
213
152
88.5
Blue –Black
AUX

64
156
142
138