| No hydraulic movement |
Hydraulic harness disconnected |
Verify all ECU and hydraulic interface harness connections |
| No hydraulic movement |
Hydraulic controller not powered |
Verify tractor SCV system or external valve controller power |
| No hydraulic movement |
Incorrect hydraulic interface selected |
Verify the configured hydraulic interface type within Level COMMAND |
| No hydraulic movement |
Hydraulic outputs disabled |
Verify COMMAND outputs are enabled and Automatic Control is Armed |
| No hydraulic movement |
Tractor hydraulic remotes disabled |
Verify tractor SCVs/remotes are enabled and assigned correctly |
| No hydraulic movement |
External valve controller offline |
Verify VM controller or external valve module communication |
| Raise/lower functions reversed |
Incorrect valve polarity or hydraulic configuration |
Verify hydraulic output polarity and configuration |
| Raise/lower functions reversed |
Hydraulic hoses connected incorrectly |
Verify hydraulic hose routing and plumbing orientation |
| Hydraulic outputs operate incorrectly |
Incorrect valve type selected |
Verify the configured hydraulic interface matches the installed valve system |
| Hydraulic outputs operate incorrectly |
Incorrect CANBUS interface configuration |
Verify CANBUS/J1939 hydraulic interface configuration |
| Hydraulic movement unstable |
Incorrect calibration values |
Recheck hydraulic calibration and tuning settings |
| Hydraulic movement unstable |
Hydraulic gain values too aggressive |
Reduce hydraulic gain or aggressiveness settings |
| Hydraulic movement unstable |
Hydraulic oil temperature unstable |
Allow hydraulic oil temperature to stabilise before calibration |
| Hydraulic movement unstable |
Air present in hydraulic system |
Verify hydraulic system has been bled correctly |
| Hydraulic movement slow or unresponsive |
Hydraulic flow limits too low |
Verify tractor hydraulic flow settings |
| Hydraulic movement slow or unresponsive |
Engine RPM too low |
Operate machine at recommended engine RPM |
| Hydraulic movement slow or unresponsive |
Hydraulic pressure insufficient |
Verify tractor hydraulic pressure and system operation |
| Hydraulic movement delayed |
Excessive deadband configuration |
Verify deadband and response tuning settings |
| Hydraulic movement continues after command released |
Hydraulic valve sticking |
Inspect hydraulic valve operation and cleanliness |
| Hydraulic movement continues after command released |
Incorrect valve calibration |
Recheck valve calibration settings |
| Hydraulic outputs noisy or erratic |
Electrical noise or poor grounding |
Verify ECU and valve grounds are secure |
| Hydraulic outputs noisy or erratic |
Damaged PWM/analog wiring |
Inspect hydraulic output harnessing for damage |
| Hydraulic outputs noisy or erratic |
Incorrect PWM frequency configuration |
Verify PWM frequency matches valve requirements |
| No external valve response |
Incorrect VM430/431 configuration |
Verify external valve controller setup and addressing |
| No external valve response |
Incorrect J1939 configuration |
Verify J1939 network settings and communication |
| Hydraulic response differs between directions |
Unequal flow settings |
Verify raise/lower hydraulic flow configuration |
| Hydraulic calibration cannot be completed |
Incorrect machine setup during calibration |
Perform calibration on stable level ground |
| Hydraulic calibration cannot be completed |
Incorrect valve wiring |
Verify valve output wiring and polarity |
| Automatic Control disengages during operation |
Hydraulic response outside configured limits |
Verify hydraulic tuning and response stability |
| Automatic Control performance inconsistent |
Incorrect implement profile selected |
Verify correct implement configuration within Level COMMAND |
