Chapter 9. Troubleshooting; Errors Indicated By Run Led Flickering; Troubleshooting Procedure; Run Led - LG G3F-TC4A User Manual

Chapter 9. TROUBLESHOOTING

Chapter 9. TROUBLESHOOTING

The followings explain errors that could occur during operating the thermocouple input module and their
troubleshooting.

9.1 Errors Indicated by RUN LED Flickering

Errors indicated by the thermocouple input module RUN LED flickering are given below.
RUN LED Status
Flickering (cycle: 0.1 sec)
Flickering (cycle: 0.2 sec)
Flickering (cycle: 0.6 sec)
Flickering (cycle: 1.0 sec)
Flickering (cycle: 1.0 sec)
Flickering (cycle: 1.0 sec)

9.2 Troubleshooting Procedure

9.2.1 RUN LED Flickering
RUN LED flickering
The thermocouple input module is correctly
mounted onto the base board.
No
Yes
RUN LED flickering with 1 sec cycle.
Yes
No
Refer to General Section 9.2.5
Error Type
WDT error
System error
Buffer memory error
A/D conversion error
Disconnection
Outside the upper or lower
bound of the range
Reference junction
compensation device error
Mount
module onto the base board.
Connection fault or disconnection or the
reference junction compensation device, or
input temperature out-of range error
9- 1
Remark
The data before error has
occurred is retained
The data before error has
occurred is retained
correctly the thermocouple-input