MESSAGES AND DIAGNOSIS
Error
No.
Operating messages
- Meaning
Solution
Internal module error going
129 Reboot due to error in RAM read-write
testing
The error can mean that the module is
defective.
This fault must be reset with the "Error
Acknowledge" command.
Note: Error is deleted by acknowledging but
is never set since there is no more activity
when a RAM fault occurs
Watchdog,
Error 2
130 New start caused by watchdog error
(mandatory acknowledgment)
The module had to be reset because of a
critical error.
This fault must be reset with the "Error
Acknowledge" command.
131 New start caused by program error
(mandatory acknowledgment)
The error can mean that the module is
defective. This fault must be reset with the
"Error Acknowledge" command. Contact the
SIWAREX Hotline.
132 Lost process alarm
Process alarm on the S7 interface
133 Parameter error (Data loss) Parameter error (Data loss).
One or more data segments in non-volatile
memory are defective.
Load the defective data records e.g. with the
Set default value command or transfer the
affected records individually.
External error going
145 Limit for load cell signal exceeded or
undershot
The measurement is too high. Measure the
measurement voltage with a multimeter and
check the load cells. Check the set
characteristic value in DR 3.
146 Wire break The connection to the load cells has been
broken. Check the load cell connection.
147 ADC error The AD converter must be reset because of
a fault.
148 Timeout Life bit The SIMATIC-CPU has not tracked the life bit
within the defined time. The communication
through the FB SIWA is damaged.
151 Belt speed too low The pulse input no longer delivers pulses
(less than 2 pulse/s)
152 Fault on RS485 Communication fault on the RS485
interface.
Table 7-4 List of Operating Messages – coming
SIWAREX FTC
7-111
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