Egcon GCU-MP3 Manuel de l'utilisateur - Page 9
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(2) Check if RUN lamp of GCU is on and whether RPM METER shows normal RPM.
(3) Connect WTS socket.
(4) Low oil pressure lamp will be on and buzzer will sound and circuit breaker will be blocked
and engine
(5) Press buzzer stop and press breakdown reset button.
11.5 Start failure (OCL - OVER CRANKING )
(1) Change mode to automatic
(2) Cut commercial power or connect CNT socket.
(3) After waiting time for start, start output is out.
(4) If engine operation speed is below 30% of normal speed during the 7-second start time,
repeat 7-second start and 7-second stop for 3 times.
(5) Start failure lamp will be on and buzzer will sound and engine will stop.
(6) Press buzzer stop and breakdown reset button.
12. Product Setup
12.1. O/ST : OVER SPEED TEST PUSH BUTTON
When this button is pressed arbitral over speed will be entered in GCU which will
make RPM (Hz) METER to indicate the value above the maximum regardless of the
actual speed entered, and over speed circuit of GCU will be active which results in
turning over speed lamp on and stopping the engine.
12.2. O/S : Over speed adjustment(OVER SPEED ADJ.)
It is a regulator to regulate the speed of over speed protection circuit. The set value
is 70Hz/2100RPM. (Approximately 120% of 1800RPM/60Hz) In order to change the set
value, press O/S T to stop the engine and adjust the set value by turning the variable
resistor clockwise or anti-clockwise. Once done, press breakdown reset button to save
and RPM METER will show the value currently entered.
12.3. DIP SWITCH
–
Only operating in automatic mode
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