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3.2.3 LED Status Indicator
3.2.3 LED Status Indicator
Controller built in one LED status indicator light(display red or yellow)
Controller built in one LED status indicator light(display red or yellow)
Display
Information
Display
Information
LED light is off
LED light is off
Controller power is not on; or vehicle has dead battery; or other
Controller power is not on; or vehicle has dead battery; or other
severe damage.
severe damage.
LED
LED light
light flashes
flashes yellow
yellow
Controller
Controller is
is in
in normal
normal working
working status.
status.
LED light is often red
LED light is often red
Controller failed to supervise or did not load software. Restart KSI
Controller failed to supervise or did not load software. Restart KSI
cycle, load software if necessary.
cycle, load software if necessary.
LED flashes yellow or red
LED flashes yellow or red
alternately
alternately
Controller has detected a fault.
Controller has detected a fault.
Red and yellow lights flash alternately in a repeated interval. Each code consists of two digits..
Red and yellow lights flash alternately in a repeated interval. Each code consists of two digits..
Numbers of yellow lights flash means the figure of the fault code relevant position. Red flashes
Numbers of yellow lights flash means the figure of the fault code relevant position. Red flashes
once or twice stands for the following yellow flashes stands for the first or second of the fault
once or twice stands for the following yellow flashes stands for the first or second of the fault
code; the yellow LED then flashes the
code; the yellow LED then flashes the appropria
appropriate number of times
te number of times for the first digit.
for the first digit. The red LED
The red LED
flashes twice to indicate that the second digit of the code will follow; the yellow LED flashes the
flashes twice to indicate that the second digit of the code will follow; the yellow LED flashes the
appropriate numb
appropriate number of times
er of times for the second digit.
for the second digit.
For example, fault code “23” LED status indicator light shows a
For example, fault code “23” LED status indicator light shows a
s follows:
s follows:
Red
Yellow
Red
Yellow
✱
✱
✲
✲✲
✲
（
（
the first digit
the first digit
）
）
（
（
2
2
）
）
Red
Yellow
Red
Yellow
✱
✱✱
✱
✲
✲✲
✲✲
✲
（
（
the
the second
second digit
digit
）
）
（
（
3
3
）
）
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