ARAG Bravo 180S Series, Installation, Use And Maintenance Handbook

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15.2 Troubleshooting
FAULT CAUSE REMEDY
The display does not switch on
No power supply • Check power supply connection
(par. 8.2)
Computer is OFF • Press the ON key
Valve controls take no effect Valves not connected • Connect the connectors (par. 9.2)
One valve does not open No power supply to valve • Check valve electric connection and operation
The display no longer shows the speed
Wrong setup • Check the setup of the wheel constant (par. 11.8)
No signal coming from the speed sensor • Check connections to speed sensor (par. 9.4)
The displayed speed is not precise Wrong setup • Check the setup of the wheel constant (par. 11.8)
Output volume readout inaccurate Wrong setup
• Check the setup of the boom width (par.11.5)
• Check the setup of the flowmeter constant
(par. 11.10)
• Check the setup of the wheel constant (par. 11.8)
• Check the setup of the section valve type (par. 11.9)
• Check connections to speed sensor
(par. 9.4)
Covered area count displayed does not match
actual distance covered
Wrong setup
• Check the setup of the boom width
(par. 11.5)
• Check the setup of the wheel constant (par. 11.8)
• Check connections to speed sensor
(par. 9.4)
The totalizer has not been reset • Reset the totalizer (par. 14.2)
Distance traveled count displayed does not
match actual distance covered
Wrong setup
• Check the setup of the wheel constant (par. 11.8)
• Check connections to speed sensor (par. 9.4)
The totalizer has not been reset • Reset the totalizer (par. 14.2)
Sprayed fluid count displayed does not match
litres/gpm actually sprayed
Wrong setup
• Check the setup of the flowmeter constant (par. 11.10)
• Check the setup of the section valve type
(par. 11.9)
Use of three-way section valves without setting
calibrated backflows
• Perform setting
The totalizer has not been reset • Reset the totalizer (par. 14.2)
Unable to reach output volume value set for
the automatic operation
Wrong setup
• Check application rate setup (par. 12.1)
• Check the setup of the boom width (par. 11.5)
System not adequately sized to provide required
rate • Check maximum pressure valve adjustment
• Make sure control valve is adequate for specific system
Control valve malfunction • Check valve operation
Instantaneous pressure readout inaccurate
Wrong setup
• Check full scale setup for pressure sensor
(par. 11.12)
• Check the settings of the nozzles being used (par. 12.1 - 11.15 - 11.5)
Pressure sensor not calibrated • Perform the calibration (par. 14.5)
Pressure sensor wrong installation • Check connections to pressure sensor (par. 9.4)
Instantaneous pressure is not displayed
Wrong setup • Check pressure sensor setting
(par. 11.12)
Computer does not receive signals from pressure
sensor
• Check connections to pressure sensor (par. 9.4)
Pressure sensor wrong installation • Check connections to pressure sensor (par. 9.4)
The displayed tank level is not precise
Level sensor not calibrated
• Perform the calibration (par. 11.17)
• Calibrate the level sensor again (par. 11.17)
Level sensor wrong installation • Check connections to level sensor (par. 9.4)
During the tank calibration procedure, the
sprayed quantity is always steady on zero
Wrong installation / no flowmeter installed.
• Check connections to the flowmeter (par. 9.4)
• Install the flowmeter
(par. 7.1)
Section valves and main control valve set to
OFF
. • Take section valves and main control valve to
ON (par. 13.2.2)
15.3 Cleaning rules
- Clean only with a soft wet cloth.
- DO NOT use aggressive detergents or products.
- DO NOT clean equipment with direct water jets.
MAINTENANCE / DIAGNOSTICS / REPAIRS