BESA-12P User’s manual
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Page 23
Start the engine and then press key again and the screen will
prompt you as shown below (Fig. 64).
Follow the instructions, make sure that all loads (lights, air-condition, etc)
are OFF. Rev the engine up to
3,000 ~ 3,500 RPM
by referring to the
dashboard meter, then press key and maintain the engine speed
for about 10 seconds and release the pedal. The maximum and minimum
voltages values will be captured.
After that press key again and it show as below (Fig 65.)
With the captured readings, analysis can done by referring to the limits as
indicated that
MAX voltage should not exceed 15.0V
(max. voltage at
3,000 RPM) and
MIN voltage should be more than 13.3V
(min voltage
during idling speed).
Figure 63
Figure 65
Figure 64
Average
Charging Volts
Charging Volts
range limit.
Captured Volts
readings
No Load Test
Start the car engine and
keeps it running.
Then press [Enter] to
begin.
No Load Test
Make sure all electrical
loads are turn OFF. Rev
the engine to 3,000 rpm.
Press [Enter].Hold on to
this 3,000 rpm for 10
seconds and release the
pedal.
No Load Test
At 3,000 rpm:
Av Volts: 14.2V
<15.0V: Max. 14.6V
>13.3V: Min. 13.8V
Press [Enter] for results.
