Keypad CPU Trip

What does CPUE mean?

A fault has been detected with the keypad's Central Processing Unit (CPU). This signifies a critical internal hardware failure of the keypad, preventing it from functioning correctly.

• Critical internal hardware failure of the keypad's Central Processing Unit (CPU).
• Keypad firmware execution error or corrupted program memory.
• Overheating of the keypad's internal components due to poor ventilation or high ambient temperature.
• Power supply instability or voltage spikes damaging the CPU.
• Manufacturing defect or component aging leading to CPU malfunction.

Click steps to track your progress.

1. 1

   1. Perform a complete power cycle of the soft starter (power off, wait 30 seconds, power on) to attempt a CPU reset.

2. 2

   2. Inspect the keypad for any signs of physical damage or excessive heat discoloration on its casing.

3. 3

   3. Ensure the keypad is installed in an environment within its specified operating temperature range.

4. 4

   4. Measure the supply voltage delivered to the keypad through its communication cable (if possible) to check for stability.

5. 5

   5. Replace the remote keypad unit, as a CPU trip is a critical internal failure that requires hardware replacement.