Remedy:
Evaluate the diagnostic parameters.
If the actual value channel is incorrect, check the components and if required, replace.
A30502
Power unit: DC link overvoltage
Reaction:
NONE
Acknowledge:
NONE
Cause:
The power unit has detected overvoltage in the DC link on a pulse inhibit.
- device connection voltage too high.
- line reactor incorrectly dimensioned.
Alarm value (r0949, interpret decimal):
DC link voltage [1 bit = 100 mV].
See also: r0070 (Actual DC link voltage)
Remedy:
- check the device supply voltage (p0210).
- check the dimensioning of the line reactor.
See also: p0210 (Drive unit line supply voltage)
F30662
Error in internal communications
Reaction:
OFF2
Acknowledge:
POWER ON
Cause:
A module-internal communication error has occurred.
Fault value (r0949, interpret hexadecimal):
Only for internal Siemens troubleshooting.
Remedy:
- carry out a POWER ON (switch-off/switch-on).
- upgrade firmware to later version.
- contact Technical Support.
F30664
Error while booting
Reaction:
OFF2
Acknowledge:
POWER ON
Cause:
An error has occurred during booting.
Fault value (r0949, interpret hexadecimal):
Only for internal Siemens troubleshooting.
Remedy:
- carry out a POWER ON (switch-off/switch-on).
- upgrade firmware to later version.
- contact Technical Support.
N30800 (F)
Power unit: Group signal
Reaction:
OFF2
Acknowledge:
NONE
Cause:
The power unit has detected at least one fault.
Remedy:
Evaluate the other messages that are presently available.
F30802
Power unit: Time slice overflow
Reaction:
OFF2
Acknowledge:
IMMEDIATELY
Cause:
A time slice overflow has occurred.
Fault value (r0949, interpret decimal):
xx: Time slice number xx
Warnings, faults and system messages
9.6 List of fault codes and alarm codes
SINAMICS G120X converter
1044
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC