General overview

In Table 2 the number of faults and total time lost as a function of the system and kind of fault is presented together with the overall numbers for the previous two period (40 and 41).

Table 2: Down-time statistics for period 42$^a$

Syst/Type	Soft		Elec		Optics		Mech		Others		Total		P41/P40
Telescope	3	00:30	8	02:15	0		4	00:45	1	01:00	16	04:30	14/16	01:30/02:15
Building	0		2	01:40	0		0		0		2	01:40	6/9	00:50/02:05
Computers	13	00:10	1	00:00	0		0		0		14	00:10	7/17	00:50/00:30
ALFOSC	13	00:25	1	00:00	2	00:05	0		0		16	00:30	19/15	00:35/00:50
MOSCA	1	00:15	1	00:00	0		0		0		2	00:15	0/1	00:00/00:05
NOTCam	13	01:20	1	00:10	0		1	00:00	0		15	01:30	16/7	00:30/00:20
StanCam	3	00:40	1	00:30	0		0		1	00:00	5	01:10	2/6	00:10/00:45
FIES	7	00:20	3	00:00	0		0		0		10	00:20	13/11	02:15/00:55
Others	2	00:00	2	00:00	0		1	00:00	0		5	00:00	2/5	00:00/01:30
Total	55	03:40	20	04:35	2	00:05	6	00:45	2	01:00	85	10:05	79/87	06:40/09:15
P41	44	03:30	24	02:55	2	00:00	6	00:05	3	00:10	79	06:40
P40	44	03:15	21	02:20	1	00:00	12	02:10	9	01:30	87	09:15
$^a$For each system-type category the total number of faults and total time lost are given