Hitachi YUTAMPO Series Service Manual page 70

6 Troubleshooting
Outdoor unit
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Outdoor fan motor check diagnosis method
1 Put the power off.
2 Remove the outdoor fan motor's connector from CN24.
3 Rotate the fan motor by hand and check whether the fan motor is locked or not.
4 Measure the resistance between each terminal of the fan motor connector. Normal resistance between each terminal:
60 ~ 100 Ω
5 Insert the fan motor's connector.
62 SMGB0135 rev.0 - 06/2020