ESIE09-08Method of Replacing the Inverter’s Power Transistors ModulesAppendix2335. Method of Replacing the Inverter’s PowerTransistors ModulesWarning: CAPACITOR SHOCK HAZARD. The capacitors (top surfaces) can hold up to220V. Use correct precautions when servicing.Checking failures in power semiconductors mounted on inverter PC boardCheck the power semiconductors mounted on the inverter PC board by the use of a multipletester.•Multiple tester :Prepare the digital type of multiple tester with diode check function.•Turn OFF the power supply. Then, after a lapse of 10 minutes or more, make measurementof resistance.•To make measurement, disconnect all connectors and terminals.Inverter PC boardWVUC+C-
