Siemens SINAMICS G120 CU240B-2 Operating Instructions Manual page 259

Table 9- 13 The most important faults for safety functions
Number Cause
F01600 STOP A initiated
F01650 Acceptance test required
F01659 Write task for parameter rejected
F30600 STOP A initiated
You will find additional information in the Parameter Manual and in the online help of
STARTER.
Inverter with CU240B-2 and CU240E-2 Control Units
Operating Instructions, 07/2010, FW 4.3.2, A5E02299792B AA
Remedy
Select STO and then deselect again
Carry out acceptance test and create test certificate.
Switch the Control Unit off and then on again.
Cause: A parameter reset was selected. The fail-safe parameters have
not yet been reset, as the safety functions are enabled
Remedy: block safety functions or reset fail-safe parameters (p0970 = 5),
then reset the drive parameters once again.
Select STO and then deselect again
Alarms, faults and system messages
9.5 List of faults
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