Document: GAR_SM_4601777 (4/16) 71
Reading the LEDs - SIB
Section 7
Component Check Procedures
The SIB has a number of LEDs performing different
functions. For the Service Technician, the most
important ones are numbers 1, 6, 7, 10, 11, and 12.
If LED 1 is not blinking there may be an issue with
the high voltage power or with the ribbon cable to
the SSRB.
LED 6 & 7 reflect the status of the Home and Upper
reference switches. At least one of these must
ALWAYS be on.
• When the platen is down (at or below the
Home switch), LED 6 is OFF
• When the platen is up (at or below the Upper
switch), LED 7 is OFF
• When the platen is between these positions,
LED 6 and 7 are ON
LED 10 and 11 indicate that the platen motor is
moving or trying to move.
LED 12 indicates a problem when the platen motor
is moving or trying to move, such as over-current.
If the actuator check validates a good actuator
and the platen still gets stuck, or shuddering,
or UI displays error# 2, then some mechanical
adjustment may be done, such as releasing the
seals and seal caps (2 screws); move platen a few
times up/down. If no change in behavior before
or after tightening back the seal caps, change
actuator.
Location Color Name Meaning
1 Red Pwr Synch Blinks when high voltage detected from SSRB
2 Red Debug 1 On during normal operation
3 Red Debug 2 Blinks during normal operation
4 Red Debug 3 Blinks rapidly during normal operation
5 Red Debug 4 Blinks when SIB software updates, lights if error between SIB and UI
6 Amber Home On until platen is at the home switch (or lower)
7 Amber Upper On until platen is at the upper switch (or higher)
8 Green Heartbeat Blinks during normal operation
9 Blue Green Button Lights while green button pressed
10 Blue Motor Down Lights while platen motor moving down
11 Green Motor Up Lights while platen motor moving up
12 Red Motor Fault Blinks momentarily during boot and if motor goes over current
13 Green 12v Power Constant when power supply connected
14 Green 5v Power Constant when power supply connected
15 Green 3.3v Power Constant when power supply connected
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