
Messages and fault codes
7.1 Indicators (LEDs)
Frequency inverter
Operating Instructions, 08.10. 2008, t.b.d.
221
Diagnostics via alarm and fault numbers
If an alarm or fault condition occurs, the OP displays the corresponding alarm or fault
number.
●
If an alarm is present, the converter continues to operate.
●
If a fault occurs, the converter shuts down.
Table 7- 1
Alarm and fault numbers – cause and remedy
Alarm
number
Significan
ce
Cause
The parameter or configuration settings made by the PROFIBUS master are
invalid.
A0700
Remedy Correct the PROFIBUS configuration.
Cause
The connection to PROFIBUS is interrupted.
A0702
Remedy Check the connector, cable, and PROFIBUS master.
Cause
The PROFIBUS master is either not receiving any setpoints or is only
receiving invalid setpoints (control word = 0).
A0703
Remedy Check the setpoints of the PROFIBUS master. Switch the SIMATIC CPU to
"RUN".
Cause
At least one transmitter between two nodes is not yet active or has failed.
A0704
Remedy Activate the transmitter between the two nodes.
Cause
The converter is not receiving any actual values.
A0705
Remedy None (the converter is faulty).
Cause
PROFIBUS DP software error.
A0706
Remedy No diagnostics parameter r2041.
Cause
The converter has detected an error with the PROFIBUS data connection.
A0710
Remedy The Control Unit data interface may be interrupted.
Cause
Invalid PROFIBUS parameter.
A0711
Remedy Check addresses P0918 and P2041.
Cause
No communication via PROFIBUS. Initiated by A0702, A0703, and A0704.
The message frame downtime set in P2040 has elapsed. For details, see
"Faults and Alarms" in the List Manual.
F0070
Remedy Check the connection between the data transfer devices and make sure that a
valid control word is used.
Reading fault codes
The following parameters must be taken into account during troubleshooting:
●
Stored in parameter r0947 under its code number (e.g. F0003 = 3)
●
Associated fault value; stored in parameter r0949 (0 = no fault value)
●
The time stamp of the fault is stored in r0948 and can be read
●
The number of fault codes (P0952) is stored in r0947 and can be read