If the [7]F error appears in the polling log, the register is busy. To eliminate the error consult the programming manual to learn how to clear the Pre-Polled Status Flag.
7F on the SPS-1000 is a Pre-Poll Buffer busy. The previous consolidation was not completed. To fix this error, clear the Pre-Poll Buffer at the register.
Shown below is a polling log displaying the error message.
4:36:37 PM Initiating Communications
4:36:37 PM Using Direct to COM1
CTS: ON DSR: ON DCD: ON
4:36:37 PM Saving Program Memory Allocation
PE
4:36:38 PM Saving Program to Database, Completed.
4:36:44 PM Consolidating PLU
4:36:44 PM [7]F
4:36:44 PM Failed
4:36:44 PM Terminating Communications