When the elevator reaches a certain number of runs, the LCECPU operation buttons may lock, preventing parameter changes.
Solution:
By switching to inspection mode, replacing the NVRAM, and restoring parameters, the system can be unlocked and returned to normal operation.
Key Steps:
Enter inspection mode & power off
Replace NVRAM on LCECPU
Restore default parameters
Perform shaft learning
Reset and reconfigure system
⚠️ Ensure the elevator is at the bottom floor and follow correct safety procedures during operation.
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