O.S. engine EC-11 - Page 3

1. Engine control unit (ECU)
2. Status display LED
3. ECU connector [CN1]
4. ECU connector [CN2]
[Blinking
：
Ready
／
On
：
Working
／
Off
：
Stopped]
Power LED
Operation status LED
Crankshaft rotation sensor signal input
Injector drive signal output
Igniter started signal output
at the same time, a buzzer sounds
at the same time, a buzzer sounds
at the same time, a buzzer sounds
NAMES OF THE PARTS
(note 1.)
at the same time, a buzzer sounds
at the same time, a buzzer sounds
LED 1
LED 2
LED 3
Operation status LED
Power LED [On
：
Power ON
／
Off
：
Power OFF]
On
Off
On
2
fuel pressure abnormal
(pressure low)
On Blink Off Off Off
On
Off
LED3
engine stop
On
Off
Off
LED2
System error 1
Blink
Off
Blink
Blink
・
the followings are display LED message's meaning.
LED 1
LED2
LED3
engine start mode
Off
Off
Blink
Blink
Blink
On
engine operation
On
Off
Note 1. since the LED1, LED2 and LED3 are the monitor lamp of each signal, so they flashes at high speed
during engine operation.
LED1
Blink
Blink
Blink
Off
The set parameters are damaged.
Off
Blink
Off
System error 2
On
On
Blink
2
1
4
3