Thermocouple Input Module Hardware Defect - LG G3F-TC4A User Manual

Chapter 9. TROUBLESHOOTING
9.2.4 Input Value of the Thermocouple does not Correspond to the Detected Temperature Value.
Input value of the thermocouple is not consistent with the
temperature conversion value.
The specified type for the used thermocouple of the
corresponding channel is not consistent with the type of the
connected thermocouple.
No
Yes
The compensating wire is correctly used in accordance with
the used thermocouple.
No
Yes
The wiring between the thermocouple input module and
the thermocouple is correct.
No
Yes
TC□ RD: Error No. 16 is being indicated.
TC□ ARD: Error No. 10 is being indicated, and 16 are
indicated on the variable ALM_CODE by each
channel.
No
Yes
TC□ RD: Error No. 17 is being indicated.
TC□ ARD:Error No. 10 is being indicated, and 17 is
indicated on the variable ALM_CODE by each
channel.
No
Yes
The reference junction compensation device is correctly
screwed onto the terminal block.
No
Yes
See Section 9.2.5

9.2.5 Thermocouple Input Module Hardware Defect

Thermocouple input module hardware defect.
Contact the nearest agency or service station
Check the type of the thermocouple and
correctly specify the type
Use the compensating wire suitable to the
used thermocouple.
Correctly wire with reference to the Section
3.2 'Wiring'
Disconnection occurred. Check the
disconnection of the thermocouple or
compensating wire.
The input temperature value is out of the
range. Check that the thermocouple is
correctly specified and input a temperature
value within the defined range
Check the screwing state of the reference
junction compensation device to the terminal
9- 3
.
block