DIAGNOSTICS
Troubleshooting
30JUL07
8F2919
Page
313 of 326
PROCESSOR CONTROL BOARD (PCB)
Table 8
LEDs and Test Points for the PCB
Item
Description
DS1 (LED)
MOTOR MICRO “happy” LED.
DS2 (LED)
K1 relay status (FLAZTBED high voltage return). ON = FLATBED high
voltage return relay energized. OFF = not energized (K1 open).
DS3 (LED)
FLATBED thermal cutouts status. ON = thermal cutouts OK. OFF = 1 or
more of the thermal cutouts is open.
DS4 (LED)
FLATBED LEFT EXTRUSION 1 and 2 HEATER zones active. ON =
HEATER active.
DS5 (LED)
FLATBED RIGHT EXTRUSION 3 HEATER zone active. ON = HEATER
active.
DS6 (LED)
FLATBED CENTER EXTRUSION 1 and 2 HEATER zones active. ON =
HEATER active.
DS7 (LED)
DRUM FRONT HEATER zone active. ON = HEATER active.
DS8 (LED)
DRUM REAR HEATER zone active. ON = HEATER active.
DS9 (LED)
FLATBED RIGHT EXTRUSION 1 and 2 HEATER zones active. ON =
HEATER active.
DS10 (LED)
DRUM CENTER HEATER zone active. ON = HEATER active.
DS11 (LED)
FLATBED LEFT EXTRUSION 3 HEATER zone active. ON = HEATER active.
DS12 (LED)
DRUM zone return active. ON = HEATER active.
DS13 (LED)
COVER LEFT HEATER zone active. ON = HEATER active.
DS14 (LED)
FLATBED CENTER EXTRUSION 3 HEATER zone active. ON = HEATER
active.
DS15 (LED)
COVER RIGHT HEATER zone active. ON = HEATER active.
DS16 (LED)
HEATER MICRO “happy” LED. Flashing = MICRO OK.
TP1
Test point for 5 V supply (V5).
TP2
Test point for digital ground (GND).
TP3
Test point for analog ground (GND).