959/960 codes
00 normal peak
01 fast peak
02 slow peak
03 voltage spike
04 high resistance
05 timed out
969/977 codes
00 normal peak
01 fast peak
02 slow peak
03 voltage spike
04 high resistance
05 programmed time ended
06 programmed capacity eneded
07 timed out
08 discharge ended
I hope I got all these right.