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 (47 and 48).

Table 2: Down-time statistics for period 49$^a$

Syst/Type	Soft		Elec		Optics		Mech		Others		Total		P48/P47
Telescope	5	00:35	4	00:40	1	00:15	2	00:00	2	00:15	14	01:45	10/12	00:50/06:50
Building	0		2	00:00	0		1	00:00	0		3	00:00	1/3	00:00/01:00
Computers	10	00:35	0		0		0		1	00:00	11	00:35	8/8	00:30/00:30
ALFOSC	20	01:10	2	00:00	0		1	00:30	0		23	01:40	25/19	05:05/03:17
MOSCA	0		3	00:00	0		0		0		3	00:00	5/2	01:00/00:00
NOTCam	2	00:00	0		0		0		0		2	00:00	3/9	00:00/01:55
StanCam	2	00:15	0		0		0		1	00:00	3	00:15	0/1	00:00/00:00
FIES	2	00:00	1	00:00	0		0		0		3	00:00	9/8	00:00/01:35
Others	2	00:10	0		0		2	00:00	2	00:00	6	00:10	4/7	00:00/00:40
Total	43	02:45	12	00:40	1	00:15	6	00:30	6	00:15	68	04:25	65/69	07:30/15:47
P48	42	04:55	10	01:30	1	00:00	7	00:45	5	00:20	65	07:30
P47	35	04:42	17	10:10	3	00:00	7	00:00	7	00:55	69	15:47
$^a$For each system-type category the total number of faults and total time lost are given