Service manual

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Troubleshooting
4 – 6
power
AC POWER & CHARGE LEDS FAIL
There may be other problems responsible for a system status LED’s failure to appear:
• The power board failed.
• The battery pack malfunctioned or its connection with the power board is bad.
• There is a short circuit in the system board.
Try the following troubleshooting procedures.
CHECKING THE POWER BOARD
A blown fuse or an incorrect output voltage on the power board may cause the system status LEDs’ malfunction.
CHECKING THE FUSES
If the fuses are blown, replace them. See the figures on the next page for the location of the fuses on the power
board. Each fuse is stamped with a rating.