17
NO DISPLAY ON THE CONSOLE OR THE DISPLAY IS DIM WHEN RUNNING
SYMPTOM:
The console will not power up or the display is dim.
CHECK POINT
POSSIBLE ISSUE
SOLUTION
LEDs 2, 3, 4, 6, and 7 should be ON.
If they are OFF, the LCB is damaged.
Replace the LCB.
If LED 1 is OFF.
No AC power cord plugged in.
Normal for an self powered unit.
If LED 5 is OFF.
Generator has no RPM output.
Normal for a powered unit. If self powered
and issue is still present, replace the
generator.
If LED 8 is OFF.
Bad communication between UCB and LCB.
Reconnect the console cable at the LCB and
UCB and check for kinks.
If LED 9 is OFF.
LCB is not providing 12V power to the UCB.
Replace the LCB.
SOLUTION IF LEDS ARE NORMAL:
1) If the LEDs are lit normally, replace the UCB and console cable.
2) if the issue is still present after the UCB and console cable are replaced, replace the LCB.
LED 1
LED 5
LED 9
LED 8
8.4 TROUBLESHOOTING - DISPLAY ISSUES
CHAPTER 8: TROUBLESHOOTING
