Carrier 42QHC009DS Service Manual page 45

2.Compressor checking
Measure the resistance value of each winding by using the tester.
Position
Compressor
Model
Blue - Red
Blue - Black
Red - Blue
ASK89D53UEZ
2.35Ω
(20℃/68℉)
43
Resistance Value
ASN98D22UFZ ASM135D23UFZ
1.57Ω
(20℃/68℉) (20℃/68℉)
ATM150D23UFZ
1.75Ω 0.75Ω
(20℃/68℉)