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8.3 LCB LED INDICATORS
LED CHECKPOINT POSSIBLE ISSUE SOLUTION
LEDs 2, 3, 4, 6, & 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 a self powered unit. If this LED is not lit
when the unit is plugged in, replace the power cord
or power components.
If LED 5 is OFF. Generator has no RPM output. Normal for a powered unit. if the unit is self powered
and the LED is still OFF, replace the generator.
If LED 8 is OFF. Bad communication between the UCB and LCB. Check the connection of the console cable, replace
if needed.
If LED 9 is OFF. LCB is not providing 12V 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.
CHAPTER 8: TROUBLESHOOTING
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