R200
Isolated Thermocouple Input Module TC4S User's Guide
107
September 2010
Honeywell
7. Troubleshooting
7.1 Introduction
This chapter describes diagnostics and corrective measures in case if any trouble occurs
during the use of 2MLF-TC4S.
7.2 LED indication by errors
2MLF-TC4S has two LEDs and it is possible to check whether it has any error with the
indication of RUN LED and ALM LED.
Item
Normal
Disconnection
Abnormal
module
H/W
(error)
Module offset/gain
backup error
(memory checksum if
powered on)
RUN LED
ON
ON
Flicker
every
0.2s
Flicker every 1s
ALM LED
OFF
Flicker every
second
OFF
OFF
Operation
Normal
operation
Every
function
works
Normal
operation
Every function
works
Module
function
stops
Normal operation
Every function works
Management
-
-
Customer
service
Try to power on again
and if it still shows
error,customer
service is needed
Содержание TC4S
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Страница 126: ...8 Appendix 8 3 Dimension 126 Isolated Thermocouple Input Module TC4S User s Guide R200 Honeywell September 2010 ...
Страница 127: ...8 Appendix 8 3 Dimension R200 Isolated Thermocouple Input Module TC4S User s Guide 127 September 2010 Honeywell ...
Страница 128: ...Honeywell Process Solutions 1860 W Rose Garden Lane Phoenix AZ 85027 USA ...