Document: GAR_SM_4601777 (4/16) 73
Section 7 Component Check Procedures
Reading the LEDs - SIB - Platen Homing
Platen Homing Behavior
At the start of the homing process, the controller rst determines if the platen is at the upper switch. If it is, the
platen starts moving down. Otherwise, the platen moves up by as much as 1000 mils before moving down.
If platen starts at or above the upper switch:
LED 6
(amber)
LED 7
(amber)
LED 10
(blue)
LED 11
(green)
LED 12 (red)
Home Upper Down Up Overcurrent
ON OFF OFF OFF OFF Initial LED state
ON OFF ON OFF OFF Platen starts moving down
ON ON ON OFF OFF Platen continues to move down
OFF ON ON OFF OFF Platen reaches home switch
OFF ON OFF ON OFF Platen begins to move back up
ON ON OFF ON OFF Platen continues to move up
ON OFF OFF ON OFF
Platen continues to move up, past upper
switch *
ON OFF OFF OFF OFF Platen stops at hood height
If platen does not move up past the upper switch, go to Settings/Hood Height calibration to check setting.
If platen starts below the upper switch:
LED 6
(amber)
LED 7
(amber)
LED 10
(blue)
LED 11
(green)
LED 12 (red)
Home Upper Down Up Overcurrent
ON or OFF ON OFF OFF OFF Initial LED state (Home may be OFF or ON)
ON or OFF ON OFF ON OFF Platen starts moving up
ON ON OFF ON OFF Platen continues to move up
ON ON or OFF OFF OFF OFF
Upward motion stops (Upper may be OFF or
ON)
ON ON or OFF ON OFF OFF Platen starts moving down
ON ON ON OFF OFF Platen continues to move down
OFF ON ON OFF OFF Platen reaches home switch
OFF ON OFF ON OFF Platen begins to move back up
ON ON OFF ON OFF Platen continues to move up
ON OFF OFF ON OFF
Platen continues to move up, past upper
switch *
ON OFF OFF OFF OFF Platen stops at hood height
If platen does not move up past the upper switch, go to Settings/Hood Height calibration to check setting.
Overcurrent LED 12 may blink momentarily as motion starts or stops. If it stays lit or blinks continually, actuator
motor is drawing high current and may be binding or obstructed.
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