Status Led - Hitachi HIDIC EH-150 Applications Manual

4.2.1

STATUS LED

STATUS LED shows many conditions of EH-ETH by combinations of LED color and eliminating patterns. Its
meaning depends on the operation mode.
(A). In case of Green flickering
Operating mode
Normal operation
Initialization error because of wrong I/O assignment.
and IP address
Check installed slot of EH-ETH and set correct I/O assignment in CPU module.
setting
Self operation
Executing self diagnostic
mode
Flicker pattern
ON
OFF
0 0.25 0.5 0.75 1.0
(B). In case of Green lighting
Operating mode
Normal operation Normal operation
Initialization has been completed and Ethernet and ASR connecting parameters are
IP address setting
ready to be changed.
Flicker pattern
ON
OFF
0 0.25 0.5 0.75 1.0
(C). In case of Red flickering
Operation mode
Normal operation Serious problem occurs. LED flickering pattern shows error information.
IP address setting Dip switch bit 3 to 8 are all OFF. (Temporal IP address is not correct.)
When mode is in IP address setting, if STATUS LED is flickering, check if bit 3 to 8 of the dip switch is all
OFF. When EH-ETH is initialized after setting the dip switch correctly, then parameters can be changed.
7-times flicker: Temporal IP address is not correct.
ON
OFF
0 0.25 0.5 0.75 1.0
Meaning of LED
1.25 1.5 1.75 2.0 2.25 2.5
Meaning of LED
1.25 1.5 1.75 2.0 2.25 2.5
Meaning of LED
1.25 1.5 1.75 2.0 2.25 2.5
4-4
Chapter.4 System equipment
2.75 3.0 3.25 3.50 3.75
2.75 3.0 3.25 3.50 3.75
2.75 3.0 3.25 3.50 3.75
(s)
(s)
(s)