101
14 Error display and troubleshooting
14.1 System error
If you discover that the AST11 sequence controller is defective, please send it to DE-
PRAG. Please do not try to troubleshoot or rectify any electrical fault on your own under
any circumstances whatsoever.
14.1.1 MINIMAT–EC-Servo Screwdriver
Number
Meaning
Trouble shooting
-- Screwdriver
not
found
Insure that the screwdriver and the connection
cable are properly attached before you switch
on the AST11.
001
Temperature too high
Check the screw assembly process and adjust
if required. If necessary please contact DE-
PRAG Service.
002
Temperature sensor defective
003
Test sum error 1 in EEPROM (repair-
able via the main controller)
004
EEPROM not writable (not repairable)
005
Test sum error 2 in EEPROM (not re-
pairable)
006
Test sum error in RAM
007
Test sum error in flash
008
EEPROM error: Maximum amount of
screwing cycles reached
Troubleshooting not possible
009
next maintenance is due
Press the ESC key on the AST11.
This message will be displayed at regular in-
tervals until the EC screwdriver is sent for
maintenance at DEPRAG.
Table 27:
System error MINIMAT–EC-Servo screwdriver
14.1.2 Power unit
Number
Meaning
Trouble shooting
--
Power unit not found
Switch the AST11 off and then restart again. If
the fault remains, please contact the DEPRAG
Service Department.
101
Position indicator index signal not
found
102
QEP position indicator signal missing
or wrong
103
Initialization error, spindle free?
Ensure that the drive unit of the
EC-screwdriver turns freely. Re-start the
AST11.
104
Loading error of condensers, power
element defective
105
External watchdog or over current fault
in power element
Troubleshooting not possible