描述
有时，仪表工作较长时间，或在夏季工作环境温度较高时就会出现故障，关机检查正常，停一段时间再开机又正常，过一会儿又出现故障。这种现象是由于个别IC或元器件性能差，高温特性参数达不到指标要求所致。为了找出故障原因，可采用升降温法。
所谓降温，就是在故障出现时，用棉纤将无水酒精在可能出故障的部位抹擦，使其降温，观察故障是否消除。所谓升温就是人为地将环境温度升高，比如用电烙铁
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4D33811G02 GHC Enclosure
DT Hwy Controller Enclosure(3GHC20 G03,3SCPS4 G02,&
2SGI6 G02 cards)w/SHC 2.3 firmware 6
4D33811G02 GHC Enclosure
DT Hwy Controller Enclosure(4GHC3 G03,3SCPS4 G02,&
2SGI6 G02 cards)w/SHC 2.3 firmware 11
4D33811G02 GHC Enclosure
DT Hwy Controller Enclosure(4GHC3 G03,3SCPS4 G02,&
2SGI6 G02 cards)w/SHC 2.4 firmware 20
4D33811G02 GHC Enclosure
DT Hwy Controller Enclosure(4GHC7 G03,3SCPS4 G02,&
2SGI6 G02 cards)w/SHC 2.4 firmware 1
4D33816G01 VME Sun Sparc VME Board(3A99732H03 Motherboard)7
4D33816G03 VME Sun Sparc VME Board(3A99732H03 Motherboard)1
4D33816G04 VME Sun Sparc VME Board(3A99732H03 Motherboard)4
4D33864G01 Power Supply Power Supply Chassis for 2ea Plug-in I/O Power Supply Assy 2
4D33865G01 Power Supply
Plug-in 24V DC I/O P/S Assy-1 Output w/2IOPS16
3A99254G01-115/230VAC 0
4D33865G02 Power Supply Plug-in 48V DC I/O P/S Assy-1 Output 0
4D33865G03 Power Supply
Plug-in 24V DC I/O P/S Assy-2 Output w/4IOPS3 3A99254G03
-115/230VAC 2
4D33865G04 Power Supply Plug-in 24/48V DC I/O P/S Assy 1 Output 0
4D33865G05 Power Supply Plug-in 48V DC I/O P/S Assy 2 Output 0
4D33865G06 Power Supply Plug-in 24V DC I/O P/S Assy 1 Output 115/230VDC 0
4D33888G01 Panel Ovation AC Distribution Center Panel 2
4D33900G19 Power Supply Ovation DIN RAIL Power Supply Assy 2
4D33913G01 Power Supply Plug-in 13V DC I/O Power Supply Assy-DAPS-w/AC Input 2
4D33913G02 Power Supply
Plug-in 13/24V DC I/O Power Supply Assy-DAPS-w/AC
Input 6
4D33913G03 Power Supply
Plug-in 13/48V DC I/O Power Supply Assy-DAPS-w/AC
Input 0
4D33913G04 Power Supply Plug-in 13V DC I/O Power Supply Assy-DAPS-w/DC Input 16
4D33913G05 Power Supply
Plug-in 13/24V DC I/O Power Supply Assy-DAPS-w/DC
Input 1
4D33913G06 Power Supply
Plug-in 13/48V DC I/O Power Supply Assy-DAPS-w/DC
Input 0
4D33914G02 Rack Assy I/O Power Supply Rack Assy 4
4D33914G03 Rack Assy I/O Power Supply Rack Assy 1
4D33914G05 Rack Assy I/O Power Supply Rack Assy 2
4D33915G02 Chassis WEStation 486 Processor DPU Cabinet Assy 6
4D33916G01 Power Supply
Multibus P/S MPS512-DC Plug-in P/S 486 WS DPU w/
3A99220G01 MEPS card 73
4D33922G01 Panel Ovation Panel Assy Enclosure for 3A99199G01
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