Matrix h5x-02 Service Manual download pdf (Page 23)

NO DISPLAY ON THE CONSOLE OR THE DISPLAY IS DIM WHEN RUNNING

LED 1

LED 5

LED 9

LED 8

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 LED1 is OFF. No AC power cord plugged in. Normal for an unpowered unit.

if LED 5 is OFF. Generator has no RPM output. Normal for a powered unit. If unpowered 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.

7.4 TROUBLESHOOTING - DISPLAY ISSUES

CHAPTER 7: TROUBLESHOOTING

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 63 64

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Matrix h5x-02 Service Manual Page 23