Over Current STP1
electrical
Description
Stepper board 1 reports too high current for 3 Seconds, and steppers on that board are powered OFF until good power is reported.
Activation Conditions
The stepper current is reported to be too high by stepper board 1 (Indicated by Stepper Output Voltage < 5V) for 3 Seconds as timed at stepper board.
Unit Behavior
Engine and Electric Operation: Alarm only. Steppers on board with problem disabled (Powered OFF) until good power reported from Stepper Board at which point they are re-enabled.
Reset Conditions
10 Seconds of good current range reported from all steppers.
Corrective Actions
1. Check wires - Check wiring to Stepper Valves to SVM. Verify there is no physical damage to harness, and no damage, moisture, or corrosion in connectors. 2. Check power - Check power at 2SVM-11 and 2SVM-22. Verify battery power.