Johnson Health Tech. Co., Ltd.
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Enter engineering mode P2 (refer to 2-2 or 4-7), 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
4-10.
Machine core can come down
Machine core can come down
but cannot go up
but cannot go up
Confirm if the signal
line contacts
normally
