Power subsystem
Power-on checks
Turn on the power. If the control-panel LEDs do not illuminate, perform the power-on checks to find the
cause of the problem.
1. Verify that the product is plugged into an active electrical outlet that delivers the correct voltage.
2. Verify that the power switch is in the on position.
3. Make sure that the product makes the expected start up sounds.
NOTE: The overcurrent/overvoltage protection circuit in the low-voltage power supply unit might
be functioning. Turn the product off, unplug the power cord, and turn the product on. If the product
does not function, the fuse melts, or the power supply is malfunctioning, replace the engine
controller unit. See
Engine controller PCA on page 94.
106 Chapter 2 Solve problems ENWW
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