Over-current of Charge Current (ECM)

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An over-current occurred in the charge current to the Energy Charge Module's (ECM) Capacitor Modules. This indicates a problem in the charging circuit, potentially due to a fault in the ECM's Control Module (A06B-6158-H010), the Capacitor Module itself, or an unstable power supply.

• The charging current exceeds its maximum allowed limit.
• Short circuit in the charging path.
• Faulty charging components leading to high current draw.
• Overload condition during charging cycle.

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1. 1

   Immediately stop the machine using the emergency stop button and open the external Main Circuit Contactor (MCC) of the Power supply.

2. 2

   Inspect the wiring of the charge circuit between the ECM Control Module and the Capacitor Modules for any short circuits or damage.

3. 3

   Verify the integrity of the Capacitor Modules (A06B-6158-H020) for any signs of physical damage or internal short circuiting.

4. 4

   Check the ECM Control Module (A06B-6158-H010) and DC Reactor (A06B-6158-H040) for any faults affecting the charging current regulation.

5. 5

   Measure the input power supply to the ECM to ensure it is stable and within specified limits during charging operations.