Hitachi Hidic EH-150 Applications Manual page 16

Preliminary Rev.03
In case STATUS LED flicks in Red in the normal operation mode, unrecoverable error might exist. If
EH-ETH is initialized in this condition, EH-ETH might be recovered but there is a possibility to fall into the
problem again. If EH-ETH falls in the serious problem, please contact with the dealer.
Table 4.2.2 shows a list of the serious problems.
Number of
flickering
0(ON)
1
2
3
4
5
6
Color: Red
ON: module problem
ON
OFF
0 0.25 0.5
1-time flicker: RAM problem
ON
OFF
0 0.25 0.5
2-times flicker: FLASH memory problem
ON
OFF
0 0.25 0.5
3-times flicker: ASIC problem
ON
OFF
0 0.25 0.5
4-times flicker: communication hardware problem
ON
OFF
0 0.25 0.5
5-times flicker: communication software problem
ON
OFF
0 0.25 0.5
6-times flicker: CPU module I/F problem
ON
OFF
0 0.25 0.5
Contents of this manual may be changed without any
Table 4.2.2 Serious problems
Problem
Module problem
RAM problem
FLASH memory problem
ASIC problem
Communication hardware
problem
Communication software
problem
CPU module I/F problem
0.75 1.0 1.25 1.5
0.75 1.0 1.25 1.5
0.75 1.0 1.25 1.5
0.75 1.0 1.25 1.5
0.75 1.0 1.25 1.5
0.75 1.0 1.25 1.5
0.75 1.0 1.25 1.5
System software has problem
Incorporated RAM has hardware problem
Incorporated FLASH memory has hardware problem
Incorporated ASIC has hardware problem
Communication hardware has problem
Communication software has problem
Software regarding I/F between CPU has problem
1.75 2.0 2.25 2.5 2.75 3.0
1.75 2.0 2.25 2.5 2.75 3.0
1.75 2.0 2.25 2.5 2.75 3.0
1.75 2.0 2.25 2.5 2.75 3.0
1.75 2.0 2.25 2.5 2.75 3.0
1.75 2.0 2.25 2.5 2.75 3.0
1.75 2.0 2.25 2.5 2.75 3.0
4-5
Chapter.4 System equipment
Cause
3.25 3.50 3.75 (s)
3.25 3.50 3.75
3.25 3.50 3.75
3.25 3.50 3.75
3.25 3.50 3.75
3.25 3.50 3.75
3.25 3.50 3.75
(s)
(s)
(s)
(s)
(s)
(s)