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U5: AC Current Detection Circuit Malfunction.

U5 TROUBLESHOOTING STEPS:

Step 1: Check for High Voltage

  • Inspect the system for high voltage issues that may be affecting the AC current detection circuit.

  • Verify the voltage levels in the circuit and ensure they are within the specified range.

  • Check for any visible damage or irregularities in the wiring and connections associated with the AC current detection circuit.

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