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Messages and Diagnostics
Error
Operating messages - description
No.
138
139
140
141
142
143
144-
External error Coming
160
144
145
(C) Limits for load cell signals exceeded
or undershot
146
(C) line-break
147
(C) ADC error
148
(C) Timeout Lifebit
149
150
151
152
(C) Digital sensor is not ready
153
154
155
156
157
158
159
160
Table 7-3
List of Operating Messages
7-158
Solution
The measurement signal is too high. Measure
the measurement voltage with a multi-metre
and check the load cells. Check the
characteristic value in DR3.
The connection to the load cells has been
broken. Check the load cell connection.
The AD converter must be reset because of a
fault.
The SIMATIC-CPU has not tracked the lifebit
within the defined time. The communication
through the FB SIWA is damaged.
Digital load cell is not sending weight values.
SIWAREX FTA
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