Harsen GU320a, Manual, Page: 21 / 23

GU320a Controller Manual
21
After the power supply is available, set the controller to MAN mode, the LED above the MAN key on. Now, calculate
the measuring input frequency of the speed sensor first according to the rated rotating speed and number of tooth of the
engine flywheel. F=tooth
×
running speed
÷
60.You can simply input the calculated value to the controller to complete
settings. Detail procedures are as below:
Operation Description
The controller is in ready state
：
READY
Press
“ ”
for two seconds to enter the configure menu, then the LCD display:
<<SETTING/
参数设定
>>
0
．
QUIT
Press
“ ”
three times and then press
“ ”, the LCD will
display:
3
．
ENGINE
0
．
QUIT
Press
“ ”
for two times and then press
“ ”, the LCD will
display:
2. Pickup frequency=0
Press
“ ” will indicate you to enter password, input the
password is: “ ” “ ” “ ” “ ”
2. Pickup frequency
Password:****
Press
“ ”or“ ”at the same time to change the parameter.
Input the calculated measuring frequency of the speed sensor,
the LCD will display the settings:
3. Pickup frequency=
Press
“ ”
to confirm and then press
“ ”
for two seconds to exit the
configure menu, and the LCD will display:
READY
Method 2
Operation Description
The controller is in ready state
：
READY
Press
“ ”
for two seconds to enter the configure menu, then the LCD display:
<<SETTING/
参数设定
>>
0
．
QUIT
Press
“ ”
three times and then press
“ ”, the LCD will
display:
3
．
ENGINE
0
．
QUIT
Press
“ ”
three times again, then the LCD display:
3
．
ENGINE
3
．
Set pickup now
With the engine running, press
“ ”
after it is steady, then the controller
compared the rotating speed of the speed sensor with the voltage frequency of
the generator, transfer the measuring frequency at the 1500RPM rotating
speed. When DONE disappeared, the measuring and calibration of the speed
has been done.
3
．
ENGINE
3
．
Set pickup now
DONE
NOTE: during the calibration of the speed measuring parameter, the protection of the controller is imperfection, the
operator should take more attention to the condition of the generator set. When it is out of the way, stop the
calibration process immediately. Check out the fault before do it again. If possible, it is suggested that the operator
equipped a protection circuit or device externally.
12
Troubleshooting:
Fault Phenomenon Fault Eliminate
“Genset”does not
startup
In the “ MAN”
mode, you press
“
START
”
key.
In the “AUTO”
1.
Checking up the fault indicator light on by using of
“
L.TEST” key
，
or
consult LCD display to confirm that whether it has fault display.
2. Checking up the volts d.c. of connecting terminal
“
B10
”
of controller. If no