CHAPTER 5:TROUBLESHOOTING
2) Enter engineering mode P2 , and see if the upper (lower) limit lamp signal is triggered; if the
limit lamp signal is triggered when the machine core does not touch the upper (lower) limit, it
represents sensor anomaly or poor contact of the signal line(1000306155).
Note :When the machine core’s old connector is matched with a new signal line, or when the
connector is plugged inversely, this phenomenon will also occur.
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