Duplo DBM-120 Maintenance Manual page 29

Display in 2nd Line
(First Half)
∗∗ Motor
∗∗: Side Jog,
Back Jog,
Back Jog Unit,
Stopper Unit,
Stopper
2-14
(Second Half)
Home-In Trouble
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Home-Out Trouble
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Home-Out/In Trouble
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Counter-Out Trouble
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Counter-In Trouble
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11C-M12M0-0004-0
When the home sensor is OFF (penetrating), the motor turned
ON for moving ∗∗ to the direction towards the home, but the
home sensor does not turn ON (blocking) within the specified
time.
When the home sensor is ON (blocking), the motor turned ON
for moving ∗∗ to the direction away from the home, but the home
sensor does not turn OFF (penetrating) within the specified
time.
When the home sensor is ON (blocking), after the motor turned
ON for moving ∗∗ to the direction away from the home, the
motor reversed. At this time, the sensor does not turn ON again
within the specified time.
After ∗∗ has been moved for a certain distance away from the
home, and was moved back for the same distance, it reached
the home and proceeded forwarded more than the specified
distance. (The motor was out of step in the movement away
from the home.)
After ∗∗ has been moved for a certain distance away from the
home, and was moved back for the same distance, it does not
return to the home. When the ∗∗ is moved for the specified
distance again, it does not return to the home. (The motor was
out of step in the movement towards the home.)
<Common causes>
Overload and restriction of the ∗∗ unit moving mechanism
Foreign objects jammed in the detecting section of the home
sensor.
Faulty connection between the home sensor and MC unit
Malfunction of the home sensor
Faulty connection between the motor and MC unit
Malfunction of the MC unit
Malfunction of the motor
Description