GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
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7) As shown in the figure below, put the black test probe to pad W (RD) and the red test probe to
pad NW (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.