GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
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4) As shown in the figure below, put the black test probe to pad P and the red test probe to pad W
(RD) (make sure the moisture proof tape is removed). In normal cases, the multimeter should read
0.39±0.3 V. If it is ―0‖ or infinitely great, the IPM module is faulty.
5) As shown in the figure below, put the black test probe to pad U (BL) and the red test probe to pad
NU (make sure the moisture proof tape is removed). In normal cases, the multimeter should read
0.39±0.3 V. If it is ―0‖ or infinitely great, the IPM module is faulty.
6) As shown in the figure below, put the black test probe to pad V (YE) and the red test probe to pad
NV (make sure the moisture proof tape is removed). In normal cases, the multimeter should read
0.39±0.3 V. If it is ―0‖ or infinitely great, the IPM module is faulty.