Checking Power Supply and Ground For MCC Control Module

Checking Power Supply And Ground For MCC Control Module






Check that fuses 31 and 7 are intact. If any fuses are blown, check the circuit after the fuse for a short-circuit to ground according to Checking wiring and terminals - Permanent faults

Hint: For further information about the circuit after the fuse, see the Wiring Diagram.

Then replace the fuse.

Check MCC control module connector for contact resistance and oxidation according to Checking wiring and terminals - Permanent faults Checking Wiring and Terminals

Check power supply to MCC control module #B6 and #B 17 for an open circuit according to Checking wiring and terminals - Permanent faults Checking Wiring and Terminals

Check ground lead between MCC control module #B 16 and ground terminal for an open-circuit according to Checking wiring and terminals - Permanent faults Checking Wiring and Terminals

Remedy as necessary

Other information:

- To connect the breakout box Connection of Breakout Box MCC

After performing this procedure, Verification