4) Test the motor assembly to judge if it is open-circuit.
How to detect the PCBA and motor
24
a) Set the multimeter function to “Resistance
measuring” .
b) Measure the resistance between any of the
two connectors.
c) If any of the measurements is infinite, means
the circuit between the two connectors is open
circuit, the motor is damaged. Follow the
procedure “Replace the Motor Assembly” to
replace a new one. Otherwise go to the next
testing step.
Measure the resistance
between any of the two
connectors
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