Keypad RAM Trip

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A fault has been detected in the keypad's Random Access Memory (RAM), which is used for temporary data storage during operation. This indicates an internal hardware failure within the keypad.

• Internal hardware failure of the keypad's Random Access Memory (RAM) chip.
• Corrupted data in RAM due to power supply fluctuations or electromagnetic interference (EMI).
• Keypad internal processing error leading to an invalid memory access.
• Component aging or manufacturing defect affecting RAM stability.

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1. 1

   1. Perform a power cycle of the soft starter by removing all power for at least 30 seconds to clear temporary RAM data.

2. 2

   2. Disconnect and reconnect the keypad communication cable to ensure stable power delivery and signal integrity.

3. 3

   3. Monitor the power supply voltage to the keypad (if accessible) to ensure it is stable and within specification.

4. 4

   4. Replace the remote keypad unit, as a RAM trip typically indicates a non-recoverable internal hardware failure.

5. 5

   5. Check for any external sources of electromagnetic interference (EMI) near the keypad or its communication cable.