ARAG GCS 3200 - Manual (Page 41)

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16.2 Troubleshooting
fault cause reMedy
Valve controls take no effect Valves not connected • Connect the IN-CAB cable (Chapter 9).
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. 13.1).
No signal coming from the speed sensor • Check connections to speed sensor (Par. 8.4).
The displayed speed is not precise Wrong setup • Check the setup of the wheel constant (Par. 13.1).
Output volume readout inaccurate Wrong setup
• Check boom width setting (Par. 12.4).
• Check the setup of the flowmeter constant (Par. 12.6).
• Check the setup of the wheel constant (Par. 13.1).
• Check the setup of the section valve type (Par. 12.5).
• Check connections to speed sensor (Par. 8.4).
Sprayed surface displayed does not match
actual sprayed surface
Wrong setup
• Check boom width setting (Par. 12.4).
• Check the setup of the wheel constant (Par. 13.1).
• Check connections to speed sensor (Par. 8.4).
Covered area count not reset • Reset counter. (Par. 14.2.1).
Distance traveled count displayed does not
match actual distance covered
Wrong setup
• Check the setup of the wheel constant (Par. 13.1).
• Check connections to speed sensor (Par. 8.4).
Distance travelled count not reset • Reset counter (Par. 14.2.1).
Sprayed fluid count displayed does not match
litres/gpm actually sprayed
Wrong setup
• Check the setup of the flowmeter constant (Par. 12.6).
• Check the setup of the section valve type (Par. 12.5).
Distance travelled count not reset • Reset counter (Par. 14.2.1).
Three-way section valves in use, but no backflow
calibration
• Perform calibration.
Time count displayed does not match actual
time worked
Work time count not reset • Reset counter (Par. 14.2.1).
Spray volume set for automatic operation
cannot be achieved
Wrong setup
• Check spray rate setup (Par. 13.2).
• Check boom width setting (Par. 12.4).
System not adequately sized to provide required
rate • Check maximum pressure valve setting.
• Make sure control valve is adequate for specific system.
Control valve malfunction • Check valve operation.
Instantaneous pressure readout inaccurate
Wrong setup • Check pressure sensor full scale setting (Par. 12.7).
Pressure sensor not calibrated • Perform calibration (Par. 14.3).
Pressure sensor improperly installed • Check connections to pressure sensor (Par. 8.4).
Instantaneous pressure not displayed
Wrong setup • Check pressure sensor setting (Par. 12.7).
Computer receives no signals from speed sensor • Check connections to pressure sensor (Par. 8.4).
Pressure sensor improperly installed • Check connections to pressure sensor (Par. 8.4).
RPM readout inaccurate Wrong setup • Check RPM sensor constant setting (Par. 12.11).
RPM not displayed
Computer receives no signals from RPM sensor • Check connections to RPM sensor (Par. 8.4).
RPM sensor improperly installed • Check connections to RPM sensor (Par. 8.4).
Pump failure alarm permanently active
Computer receives no signals from Pump
Protector sensor
• Check connections to Pump Protector sensor (Par. 8.4).
Tab. 11
16.3 Cleaning rules
- Clean only with a soft wet cloth.
- DO NOT use aggressive detergents or products.
- DO NOT use water jets to clean the monitor and the control unit.
Fig. 101
MAINTENANCE / DIAGNOSTICS / REPAIRS