Troubleshooting; Cleaning Rules - ARAG Bravo 180S Series Installation, Use And Maintenance Handbook

15.2

Troubleshooting

FAULT
The display does not switch on
Valve controls take no effect
One valve does not open
The display no longer shows the speed
The displayed speed is not precise
Output volume readout inaccurate
Covered area count displayed does not match
actual distance covered
Distance traveled count displayed does not
match actual distance covered
Sprayed fluid count displayed does not match
litres/gpm actually sprayed
Unable to reach output volume value set for
the automatic operation
Instantaneous pressure readout inaccurate
Instantaneous pressure is not displayed
The displayed tank level is not precise
During the tank calibration procedure, the
sprayed quantity is always steady on zero
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.
CAUSE
No power supply
Computer is OFF
Valves not connected
No power supply to valve
Wrong setup
No signal coming from the speed sensor
Wrong setup
Wrong setup
Wrong setup
The totalizer has not been reset
Wrong setup
The totalizer has not been reset
Wrong setup
Use of three-way section valves without setting
calibrated backflows
The totalizer has not been reset
Wrong setup
System not adequately sized to provide required
rate
Control valve malfunction
Wrong setup
Pressure sensor not calibrated
Pressure sensor wrong installation
Wrong setup
Computer does not receive signals from pressure
sensor
Pressure sensor wrong installation
Level sensor not calibrated
Level sensor wrong installation
Wrong installation / no flowmeter installed.
Section valves and main control valve set to OFF.
MAINTENANCE / DIAGNOSTICS / REPAIRS
• Check power supply connection (par. 8.2)
• Press the ON key
• Connect the connectors (par. 9.2)
• Check valve electric connection and operation
• Check the setup of the wheel constant (par. 11.8)
• Check connections to speed sensor (par. 9.4)
• Check the setup of the wheel constant (par. 11.8)
• 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)
• 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)
• Reset the totalizer (par. 14.2)
• Check the setup of the wheel constant (par. 11.8)
• Check connections to speed sensor (par. 9.4)
• Reset the totalizer (par. 14.2)
• Check the setup of the flowmeter constant (par. 11.10)
• Check the setup of the section valve type (par. 11.9)
• Perform setting
• Reset the totalizer (par. 14.2)
• Check application rate setup (par. 12.1)
• Check the setup of the boom width (par. 11.5)
• Check maximum pressure valve adjustment
• Make sure control valve is adequate for specific system
• Check valve operation
• 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)
• Perform the calibration (par. 14.5)
• Check connections to pressure sensor (par. 9.4)
• Check pressure sensor setting (par. 11.12)
• Check connections to pressure sensor (par. 9.4)
• Check connections to pressure sensor (par. 9.4)
• Perform the calibration (par. 11.17)
• Calibrate the level sensor again (par. 11.17)
• Check connections to level sensor (par. 9.4)
• Check connections to the flowmeter (par. 9.4)
• Install the flowmeter (par. 7.1)
• Take section valves and main control valve to ON (par. 13.2.2)
37
REMEDY