Benchmark Games BLASTER - Troubleshooting E-4: Stepper Comm Error; Troubleshooting E-5: Router Comm Error (Linking); Troubleshooting E-6: Router No SD Card

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way back to the power distribution beard if
needed.
 Also check continuity for the Run and Notch
lines coming from the main CPU
outputs/inputs.
 Remember to power down first before any
continuity test.
E-4:Quad Stepper controller board communication
error
 The board controls the three motors for
Blaster (Playfield, Spinning Sign, and
Marquee).
 Check for board power (Vcc LED on)
 Check board firmware for “Quad Stepper
Generic”.
 Check on-board ID-switch setting, as per PCB
board section.
 Note: relevant 485 traffic makes the green
LED flash quickly as messages are received,
check for this as well.
 Check that all boards are connected to the
485 network, remember that in some of
them, a disconnection will break the rest of
the 485 chain.
 Check 485 connector on main CPU board.
 Swap for known good unit to see if problem
follows board.
E-5: Router Boards communication error (only present
if Linking is enabled)
 Check for board power (Vcc LED on)
 Check that all boards are connected to the
485 network, remember that in some of
them, a disconnection will break the rest of
the 485 chain.
 Check 485 connector on main CPU board.
 Check ID-switch settings
 Swap for known good unit to see if problem
follows board.
E-6: Router Boards no SD card error (only present if
Linking is enabled)
 The SD card on the router board is for holding
data.
 Make sure card is present in Router Board.
 Check is card is inserted completely
 Swap for known good SD card to see if
problem follows card.