396-4412Y1 QuickDraw 3000 Operator’s Manual 62 Revised 02/20/2020
QuickDraw Common Troubleshooting Issues
1. Low Voltage (“Comm Loss” / “CAN BUS Valve Failure Alarm”)
Most Common Support Call
Symptom is “Comm Loss’ message appearing, followed by “CAN BUS Valve Failure Alarm”
• Charge battery. Check harnesses and connections if battery is charging from vehicle.
2. Low Chemical Flow Rate
Determine if it is one product or all products.
If only one product, investigate the line, tote valve, and product in tote.
If all products are slow, most likely low/no suction from venturi.
• Make sure ALL valves on educator are closed.
• Check for outlet restriction limiting drop across venturi.
3. Carrier Flowmeter Calibration
Batch volume does not match tank volume.
• Adjust “Carrier Flow Pulses Per Gallon” on Edit Carrier screen (see page 28)
• Calculate % error. Adjust Cal Value by that percentage. Increase Flow Cal if more is needed.
4. E-Stop Switch Failure
• Jump wires together, replace switch
5. CAN Valve Position Sensor Failure
• Disable valve on system Settings screen, replace Actuator
6. Air in Mass Meter Warning
If this happens while priming hose, no concern. If message persists on multiple batches,
investigate plumbing connections from control valve to tote.
7. Relays (3)- Harness Power, Pump Stop, Pump Start
Power—Should be able to hear this one click about 10 seconds after controller power-up.
Valves, 3” Meter, won’t power up.
Pump Kill
Pump will not start, or does not shut off Automatically
• Replace Relay—located on QD main harness under battery tray (available at parts stores)
8. Fuses (2)- 10A and 50A
• Check for blown fuses on QD main harness (top left in cabinet). Replace as needed.
9. Valve will not operate.
• Check on Settings screen to be sure valve is ENABLED.
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