Item
Description
Purpose
AS
Alternator Speed Display
In Diagnostic Mode, Hz level is
displayed as a number. See Fig. 8.
Hz
Alternator Speed Indicator
In Operating Mode, indicator color
varies to show the alternator speed
status:
• green indicates the alternator
speed is at the correct level.
• If the indicator changes to amber
after 1 second, the alternator
speed is too low.
• If the indicator changes to red after
1 second, the alternator speed
is too high. The indicator will
also turn red if the Error display
appears.
In Diagnostic Mode, the indicator is
green when in the Alternator Speed
(Hertz) screen.
12
3A2497C