25101@x4-7500medium

Over Current STP1

electrical

Description

Step board 1 reports stepper current too high for three seconds, and the 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 three seconds as timed at stepper board.

Unit Behavior

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.