CamaroMan Report post Posted May 26, 2019 Every time i power on the machine it runs for 2s then stops and waits, it works perfectly after that.. Ive made sure the pedal is a 1/4 inch from the start position but still does it - its seen about 30mins of use since we bought it last yr.. Works gr8 otherwise - any ideas? Its a juki rm controllable servo - 100 bucks on amazon.. Quote Share this post Link to post Share on other sites
JJN Report post Posted May 26, 2019 Does it have needle position capability? It sounds like the NPS system is enabled and it is trying to get a position signal from the sensor. If the sensor is not connected it will give up after 2 revolutions. Quote Share this post Link to post Share on other sites
kgg Report post Posted May 26, 2019 I couldn't find any servo motor made by Juki on Amazon, could you provide a link to the servo motor. kgg Quote Share this post Link to post Share on other sites
Matt S Report post Posted May 27, 2019 14 hours ago, JJN said: Does it have needle position capability? It sounds like the NPS system is enabled and it is trying to get a position signal from the sensor. If the sensor is not connected it will give up after 2 revolutions. This. I have a Jack servo with a needle positioner/synchro. On power-on it spins until it reaches its programmed position. If the machine can't turn, or the sensor isn't fitted, it spins for about 2 seconds. On a similar motor the fix would be to set the syncho position to "none" or "off". Quote Share this post Link to post Share on other sites
