GBC StreamPunch Ultra Service Manual page 64

9. Check if there is power to the Driver board. LED 1 on the Driver board
should be lit.
If LED 1 is lit, it means there is 24V DC power to the Driver board
from the Main Control board.
If LED 2 is lit, it means there is a fault with either the Driver board ot
the stepper motor.
Continue to Step 10
10. Check the cable connecting the stepper motor to the Driver Board
(hard-wired to motor); and two cables connecting driver board to Main
Control Board
7715477 and 7715470 for M3, M4 and M5
7715477 and 7715473 for M6, M7 and M8
7715477 and 7715468 for M1 and M2
The cables are not damaged
Yes- Go to Step 11;
No- Replace the faulty cable and resume normal operation
11. Do GP 6.2.12 FIRMWARE UPGRADE Procedure to Re-flash the
firmware for the StreamPunch Ultra/Ultra MP.
This clears the fault
Yes- Resume normal operation;
12. Replace the driver board for the faulty motor, with DIP switch set
correctly for the position you are replacing- ARP 2.26
This clears the fault
Yes- Resume normal operation;
13. Replace the faulty stepper motor
ARP 2.24 for M1, M2, M6, M7 and M8
ARP 3.12 for M3 and M4
ARP 3.8 for M5
This clears the fault
Yes- Resume normal operation;
GBC StreamPunch Ultra/Ultra MP
No- Go to Step 12
No- Go to Step 13
No- Go to Step 14
14. Replace the cables from control board to driver board.
If LED1 of any of the driver board is not lit, Replace 7715477
For other issues, Replace one of the below cables:
7715470 for M3, M4 and M5
7715473 for M6, M7 and M8
7715468 for M1 and M2.
This clears the fault
Yes- Resume normal operation;
15. Replace Main Control Board (ARP 5.1)
This clears the fault
Yes- Resume normal operation;
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No- Go to Step 15
No- Escalate to next level
RTPS