Plots attached show that POP_A_LF_OUT is oscillating between 16200 and 17000 (800 counts) in the last 10 minutes of the previous lock, and is oscillating between 16200 and 16600 (400 counts) in the current lock (channel 1).
PO_A_LF_RF9_Q_ERR was oscillating between 35000 and 55000 (20000 counts), and is now between 55000 and 65000 (10000 counts, channel 2).