24
11.3
Troubleshooting
FAULT
CAUSE
REMEDY
Display will not turn ON
Power supply missing
• Check power supply cable connections.
Computer is OFF
• Press the ON button.
One valve will not open
No power supply to valve
• Check wiring connection and valve
operation.
Display does not show speed
Wrong setup
• Check wheel constant setting
(Par. 9.7).
No signal from speed sensor
• Check connections to speed sensor.
Speed readout inaccurate
Wrong setup
• Check wheel constant setting
(Par. 9.7).
Covered area count displayed does
not match actual covered area
Wrong setup
• Check wheel constant
(Par. 9.7)
and row
distance settings
(Par. 10.3)
.
Displayed sprayed trees count does
not match the actual number of
trees sprayed
Ultrasonic sensors do not work
correctly
• Check ultrasonic sensors connections.
• Replace ultrasonic sensors.
Tab. 11
12
TECHNICAL DATA
12.1
Monitor technical data
Description
Bravo 14x
Display
Alphanumeric LCD display - 2 lines x 16 characters, backlit
Power supply
11 ÷ 14 Vdc
Consumption (only monitor)
150 mA
Working temperature
0 °C ÷ 60 °C
+32 °F ÷ +140 °F
Digital inputs
for open collector sensors: max 2000 imp/sec.
Sensor power supply output
Bravo power supply
Solenoid valve control output
max. 2,5 A continuous
Weight
1800 g (with cables)
Protection against reversal of polarity
•
Protection against short circuit
•
Tab. 12