INTERNAL TO TECH SERVICES ONLY
There is no way to tell if the motor is good or bad on the L9000 by measuring resistance due to the power conditioning circuitry. The most you can measure is whether the bridge rectifier, current sense resistor and bulk capacitor are relatively healthy.
A good resistance measurement will start at a resistance in the many 10’s of Kilo ohms and climb to higher resistance that eventually will be in the mega ohms or too high for the meter to measure. The resistance will climb as long as the ohm meter is attached.
If a resistance measurement too high to measure occurs immediately then there is an open circuit in the front end of the power circuitry that will prevent the electronics from functioning.
If a resistance measurement stays low and steady then there may be bad component or solder joints in the front end of the power circuitry. The function of the lock may appear to be unpredictable.
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