Explanation of Drop(TCH & SDCCH)

Hi Pix,
can u suggest me what ll be the analysis way when finding the fowwing drop causes:

1>ERROR INDICATION (CAUSE: RLM): T200 EXPIRED (N200+1) TIMES – ABNORMAL RELEASE (H’0004 H’0008 H’0001)

2>TOO MANY MEASUREMENT GENERATIONS MISSING – RADIO INTERFACE MESSAGE FAILURE (H’0004 H’0001 H’0000)

3>MS LOST (H’0006 _ _)

4>CLEAR COMMAND: RADIO INTERFACE MESSAGE FAILURE (H’0003 _ H’0000)

5>CLEAR COMMAND: RADIO INTERFACE FAILURE REVERSION TO OLD CHANNEL (H’0003 _ H’000A)

6>ERROR INDICATION (CAUSE: RLM): SEQUENCE ERROR – ABNORMAL RELEASE (H’0004 H’0008 H’0007)

7>TOO MANY MEASUREMENT GENERATIONS MISSING (H’0004 H’0001 _)

8>SCCP FAULT: THE SCCP USER – NORMAL CONDITION (H’0002 _ H’0000)

Pix, Pls elaborate.

I m eagerly looking for ur suggestion.

BR//
Indranil.