![]() The reading for starting to run should be equal to C to S + C to R. If every step is completed, decide the condition of an electrical motor either OK or NEED TO REPAIRĬheck the motor winding ohms reading using a multimeter or ohmmeter.Compare to the FLA on the nameplate of the motor. With the motor running, check the running amps of the motor using a Clamp on the meter.Minimum test value of the electric motor is 1 Meg Ohm (1 MΩ) check from phase to earthing (U to E, V to E, W to E). ![]() Check from phase to phase (U to V, V to W, W to U) and 2. Insulation resistance of motor winding using Insulation tester meter set to the 500 Volt scale (1000v DC).The ohms reading for each winding must be the same (or nearly the same) Check the motor winding ohms reading using a multimeter or ohmmeter for the phase to phase terminal (U to V, V to W, W to U ).Each phase to phase must have continuity if the winding is OK ![]() Using the multimeter, check the continuity of winding from phase to phase (U to V, V to W, W to U). ![]()
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