Errors in LD 60!

[alctasar]

I've getting some alarm errors in LD 60 and want to know what it means and how can I solve it!

.lcnt 4

DTI2 LOOP 4
MNT NNDC NNC OOS
BPV- 000 000 000 000
FAP- 000 000 000 000
SLP- 000 000 000 000
CRC- 000 000 000 000
G2 - 000 000 000 000
TOTAL 24 HOUR BPV- 000000000
TOTAL 24 HOUR FAP- 000000000
TOTAL 24 HOUR SLP- 000000000
TOTAL 24 HOUR CRC- 000000000
TOTAL 24 HOUR G2 AIS -000000000
TOTAL 24 HOUR G2 AI64 -000000000
TOTAL 24 HOUR G2 FAL -000000000
TOTAL 24 HOUR G2 MFAL -000000000
TOTAL 24 HOUR G2 BIT -000000013
TOTAL 24 HOUR G2 BIT6 -000000000
TOTAL 24 HOUR G2 CFAS -000000000
.