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NovaJet 500/630/700 Series Service Manual
Stepper Motor Winding Resistance Check
ohms
ohms
RED ![](/images/new-backgrounds/1169710/169710109xi4.webp)
WIRE
Figure 3-8. Stepper Motor.
1.Disconnect the stepper motor connection from J1 on the MPWA.
2.Using a standard ohmmeter or multimeter, measure between pins 1 (red wire) and 3.
3.The reading should indicate
4.Continue by measuring between pins 4 and 6.
5.Reading should also indicate
6.If either measurement is out of tolerance, replace the stepper motor.
MAINTENANCE
Maintenance