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 periods (49 and 50).

Table 2: Down-time statistics for period 51$^a$

Syst/Type	Soft		Elec		Optics		Mech		Others		Total		P50/P49
Telescope	2	00:50	9	00:20	2	00:00	3	04:10	3	08:50	19	14:10	8/14	10:50/01:45
Building	0		2	00:25	0		0		1	00:00	3	00:25	7/3	00:00/00:00
Computers	21	00:45	0		0		0		1	00:00	22	00:45	14/11	00:35/00:35
ALFOSC	26	01:15	3	00:00	0		2	03:00	0		31	04:15	39/23	00:45/01:40
MOSCA	1	00:00	0		0		0		1	00:00	2	00:00	0/3	00:00/00:00
NOTCam	8	00:50	4	00:00	0		2	00:00	1	00:20	15	01:10	10/2	00:15/00:00
StanCam	7	00:45	1	00:00	0		1	00:00	3	00:00	12	00:45	5/3	01:30/00:15
FIES	10	00:00	0		1	00:00	1	00:00	0		12	00:00	13/3	02:55/00:00
Others	3	00:00	0		0		0		4	00:00	7	00:00	5/6	00:00/00:10
Total	78	04:25	19	00:45	3	00:00	9	07:10	14	09:10	123	21:30	101/68	16:50/04:25
P50	74	06:05	8	00:00	1	00:00	11	09:15	7	01:30	101	16:50
P49	43	02:45	12	00:40	1	00:15	6	00:30	6	00:15	68	04:25
$^a$For each system-type category the total number of faults and total time lost are given