Yokogawa YFGW610 - Manual (Page 42)

<D1. Troubleshooting>
D1-1
IM 01W02D02-01EN
Part-D. Troubleshooting
This section describes the troubleshooting procedures to follow when a malfunction is identified
in YFGW610 by the investigation described in “F1. Field Wireless System” in YFGW410 User’s
Manual (IM 01W02D01-01EN).
On the front face of YFGW610, there are five status indicator LEDs (RDY, LINK-1, LINK-2, LINK-
3, and LINK-4), and four pairs of LEDs (Link/ACT and Speed) in RJ-45 connectors.
n Displaying the status of YFGW610
The relation between the status of the RDY LED and the status of YFGW610 is as follows.
Table D-1 Relation between the status of RDY LED and the status of YFGW610
LED Power off Starting up Normal Abnormal
RDY OFF Orange Green Red
If this LED is lit in red or off while energizing, YFGW610 may be broken. Replace the product.
n Communication status
Other LEDs indicate the status of each communication interface. If any LED indicates abnormal
status, check the wiring and the housing. If there is any problem in YFGW610, replace it.