102
106 Temperature too high
Check the screw assembly and adjust it if
necessary.
If required, consult the DEPRAG Service De-
partment.
107 Range error
108 Under voltage
Troubleshooting not possible
Table 28: System error - power unit
14.1.3 Main controller
Number Meaning Trouble shooting
201 Fieldbus not available!
Check that the fieldbus module is installed and
mounted tightly. If the fieldbus module no
longer needs to be used, set the field in web
interface Menu Setup Serial Device to “no
device” (see also 8.3.4.12
Setup Serial De-
vice)
202
Software versions of main controller
and power unit do not match!
Please contact the DEPRAG Service Depart-
ment.
203
Screwdriver and power unit do not
match!
Ensure that you have installed the correct
screwdriver model to the AST11.
The AST11-1/-S can be operated with screw-
drivers of the series 320Exx19 and 320Exx22
and 320Exx27.
The AST11-2/-S can be operated with screw-
drivers of the series 320Exx36.
204
Settings have been lost, default values
are being loaded
Check the settings and adjust them if neces-
sary.
205 Error in the data memory
206
Error in the communication with the
power unit
Troubleshooting not possible
207 No connection to the fieldbus!
Check if the external fieldbus module is con-
nected properly to the multifunctional serial
interface.
Reconnect the external fieldbus module by
going to web interface Menu Setup Serial
Device and clicking on “Search for fieldbus
module” and then on “Apply” (see also
8.3.4.12.2
Fieldbus module).
Table 29: System error - Master control unit
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