====== Simatic S7 error- and statuscodes ======

^Status codes^Text^notes and example call functions|
|0000|No error / Instruction executed without errors|general|
|0001|Connection established|general|
|0003|Connection terminated|general|
|7000|#no job active AND no connection established (REQ=0, DISCONNECT=1)|general|
|7001|Start of job processing / Connection establishment triggered|general, \\ BUSY = 1, DONE = 0.|
|7002|Intermediate call. Connection is being established|general, \\ BUSY has the value "1".|
|7003|Connection is being terminated|general|
|7004|Connection established AND monitored. No job processing active.|general|
|7005|data is being sent.|general|
|7006|data is being received.|general|
|8x3A|Invalid pointer at parameter x.||
|8070|All internal instance memories are in use.||
|8080|The identifier entered for the communications port is invalid.||
|8081|Timeout, module error, internal error.||
|8082|Parameter assignment failed because parameter assignment is currently being performed in the background.||
|8083|Buffer overflow: The CM or CB has returned a receipt message with a length that is greater than permitted by the length parameter.||
|8085|Error specifying the length at the LENGHT parameter. The specified length is "0" or greater than the maximum permitted value.||
|8085|The connection ID (ID parameter) is already in use by a configured connection.|[[de:s7:scl_reference#tcon|TCON]]|
|8085| - LEN parameter is greater than the largest allowable value (For S7‑1200: 8192; for S7‑1500 (TCP): 65536; with S7‑1500 (FDL): 240 / 236) \\  - Parameter DATA and LEN both have the value "0". \\  - The value of the LEN or DATA parameter was changed after the first call.|[[de:s7:scl_reference#tsend|TSEND]] \\ [[de:s7:scl_reference#trcv|TRCV]]|
|8086|The ID parameter is out of range (1 .. 0x0FFF).|[[de:s7:scl_reference#tcon|TCON]] \\ [[de:s7:scl_reference#tsend|TSEND]] \\ [[de:s7:scl_reference#trcv|TRCV]]|
|8087|Maximum number of connections reached, no further connection possible.|[[de:s7:scl_reference#tcon|TCON]]|
|8088| - LEN parameter is larger than the range specified in DATA. \\ - Receive area is too small.|[[de:s7:scl_reference#tsend|TSEND]] \\ [[de:s7:scl_reference#trcv|TRCV]]|
|8089|The CONNECT parameter does not point to a connection description or the connection description was created manually.|[[de:s7:scl_reference#tcon|TCON]]|
|8090|Message length invalid, module invalid, message invalid.||
|8091|Incorrect version in parameterization message.||
|8092|Invalid record length in parameterization message.||
|8092|The source or target area is only available in the load memory.|[[de:s7:scl_reference#blkmov|BLKMOV]]|
|809A|The structure at the CONNECT parameter is not supported on an integrated interface or the length is invalid.|[[de:s7:scl_reference#tcon|TCON]]|
|809B|The InterfaceId element within the TCON_xxx structure does not reference a hardware ID of a CPU or CM/CP interface or has the value "0".|[[de:s7:scl_reference#tcon|TCON]]|
|80A1|The specified connection or port is already in use.|[[de:s7:scl_reference#tcon|TCON]]|
|80A1|Communication error: \\  - The specified connection has not yet been established. \\  - The specified connection is being terminated. Transmission via this connection is not possible. \\  - The interface is reinitialized.|[[de:s7:scl_reference#tsend|TSEND]] \\ [[de:s7:scl_reference#trcv|TRCV]]|
|80A2|Local or remote port is used by the system. The following ports are reserved locally: 20, 21, 80, 102, 135, 161, 162, 443, 34962, 34963, 34964 and the range 49152 to 65535.|[[de:s7:scl_reference#tcon|TCON]]|
|80A3|ID is used by a connection created by the user program that also uses the same connection description at the CONNECT parameter.|[[de:s7:scl_reference#tcon|TCON]]|
|80A3|An attempt is being made to terminate a non-existent connection or the connection has already been terminated.|[[de:s7:scl_reference#tdiscon|TDISCON]]|
|80A4|IP address of the remote endpoint of the connection is invalid or it matches the IP address of the local partner.|[[de:s7:scl_reference#tcon|TCON]]|
|80A4|Temporary communication error: The interface is being reconfigured or the connection is being set up.|[[de:s7:scl_reference#tdiscon|TDISCON]]|
|80A7|Communication error: You executed "TDISCON" before "TCON" was completed.|[[de:s7:scl_reference#tcon|TCON]]|
|80B1|You changed the DATA parameter before the current job ended.|[[de:s7:scl_reference#tsend|TSEND]]|
|80B3|The parameterized protocol variant (parameter ConnectionType in the connection description) is UDP. Please use the "TUSEND" / "TURCV" instruction for a UDP connection.|[[de:s7:scl_reference#tsend|TSEND]] \\ [[de:s7:scl_reference#trcv|TRCV]]|
|80B4|Only with TCON_IP_RFC: The local T-Selector was not specified or the first byte does not contain the value 0x0E (only with a length of T-Selector = 2) or the local T-Selector begins with "SIMATIC-".|[[de:s7:scl_reference#tcon|TCON]]|
|80B5|With connection type 13 = UDP, only passive connection establishment is permitted (ActiveEstablished parameter of the TCON_IP_v4 / TCON_PARAM structure has the value TRUE).|[[de:s7:scl_reference#tcon|TCON]]|
|80B6|Parameterization error in the ConnectionType parameter of the data block for the connection description. \\  - Only valid for TCON_IP_v4: 0x11, 0x0B and 0x13.\\  - Only valid for TCON_IP_RFC: 0x0C and 0x12|[[de:s7:scl_reference#tcon|TCON]]|
|80B7|For TCON_IP_v4: \\  - TCP (active connection establishment): Remote port is "0". \\  - TCP (passive connection establishment): Local port is "0". \\  - UDP: Local port is "0". \\  - Partner endpoint IP address was set to 0.0.0.0. \\ For TCON_IP_RFC: \\  - Local (LocalTSelector) or remote (RemoteTSelector) T-selector specified with a length greater than 32 bytes. \\  - A length greater than 32 was entered for TSelLength of the T-selector (local or remote). \\  - Error in the length of the IP address of the respective connection partner. \\  - Partner endpoint IP address was set to 0.0.0.0.|[[de:s7:scl_reference#tcon|TCON]]|
|80B8|The ID parameter in the local connection description (structure at the CONNECT parameter) and the ID parameter of the statement are different.|[[de:s7:scl_reference#tcon|TCON]]|
|80BB|Invalid value at ActiveEstablished parameter.||
|80C3|All connection resources are in use or ports may be in dynamic use by other applications or connections.|[[de:s7:scl_reference#tcon|TCON]] \\ [[de:s7:scl_reference#trcv|TRCV]]|
|80C3| - A block with this ID is already being processed in another priority group. \\ - Internal lack of resources.|[[de:s7:scl_reference#tsend|TSEND]]|
|80C4|Temporary communication error: \\  - The connection cannot be established at the moment. \\  - The connection cannot be established because firewalls on the connection path are not enabled for the required ports. \\  - The interface is receiving new parameters. \\  - The configured connection is currently being removed by a "TDISCON" instruction.|[[de:s7:scl_reference#tcon|TCON]] \\ [[de:s7:scl_reference#tsend|TSEND]] \\ [[de:s7:scl_reference#trcv|TRCV]]|
|80C5|The connection partner refuses to establish the connection, cleared down the connection or actively ended it.|[[de:s7:scl_reference#tcon|TCON]]|
|80C5| - Connection terminated by the communication partner. \\ - LSAP of the remote connection partner not released|[[de:s7:scl_reference#tsend|TSEND]] \\ [[de:s7:scl_reference#trcv|TRCV]]|
|80C6|The connection partner cannot be reached (network error).|[[de:s7:scl_reference#tcon|TCON]] \\ [[de:s7:scl_reference#tsend|TSEND]] \\ [[de:s7:scl_reference#trcv|TRCV]]|
|80C7|Execution timed out.|[[de:s7:scl_reference#tcon|TCON]] \\ [[de:s7:scl_reference#trcv|TRCV]]|
|80C8|#no response OF the server in the defined period.||
|80C8|Value at the ID parameter is already being used by a connection that was created via the user program. The connection uses the same ID but different connection settings on the CONNECT parameter.|[[de:s7:scl_reference#tcon|TCON]]|
|80C9|Connection partner validation failed. The connection partner who wants to establish a connection does not correspond to the partner defined in the structure at the CONNECT parameter.|[[de:s7:scl_reference#tcon|TCON]]|
|80C9|The length of the receive area is smaller than the length of the sent data.|[[[de:s7:scl_reference#trcv|TRCV]]|
|80CE|The IP address of the local interface is 0.0.0.0|[[de:s7:scl_reference#tcon|TCON]]|
|80D0|Related to TCP and the active connection endpoint: The remote_qdn parameter is an empty string. In this case no connection can be established.|[[de:s7:scl_reference#tcon|TCON]]|
|80D1|The remote_qdn parameter is not a fully qualified domain name. Possibly the dot is missing at the end.|[[de:s7:scl_reference#tcon|TCON]]|
|80D2|There is no DNS server address configured.|[[de:s7:scl_reference#tcon|TCON]]|
|80D3|The fully qualified domain name could not be resolved. Possible causes: \\  - The DNS server cannot be reached, e.g. B. because it is down or the remote port is unreachable. \\  - An error occurred while communicating with the DNS server. \\  - The DNS server returned a valid DNS response, but the response did not contain an IPv4 address.|[[de:s7:scl_reference#tcon|TCON]]|
|80E0|Inappropriate or bad message was received.|[[de:s7:scl_reference#tcon|TCON]]|
|80E1|Error during handshake. Possible causes: \\  - Canceled by user \\  - Security not high enough \\  - Renegotiation is not supported \\  - SSL/TLS version is not supported \\  - Hostname validation failed|[[de:s7:scl_reference#tcon|TCON]]|
|80E2|Unsupported / Invalid Certificate \\ - Possible cause: The time of the module concerned has not been set or the module is not synchronized.|[[de:s7:scl_reference#tcon|TCON]]|
|80E3|Certificate has been discarded.|[[de:s7:scl_reference#tcon|TCON]]|
|80E4|No valid certificate authority was found.|[[de:s7:scl_reference#tcon|TCON]]|
|80E5|Certificate expired.|[[de:s7:scl_reference#tcon|TCON]]|
|80E6|Integrity error in transport layer security protocol.|[[de:s7:scl_reference#tcon|TCON]]|
|80E7|Unsupported extension in X.509 V3 certificate.|[[de:s7:scl_reference#tcon|TCON]]|
|80E9|TLS server without server certificate is not supported.|[[de:s7:scl_reference#tcon|TCON]]|
|80EA|DTLS (UDP) protocol is not supported.|[[de:s7:scl_reference#tcon|TCON]]|
|80EB|A client cannot request a client certificate.|[[de:s7:scl_reference#tcon|TCON]]|
|80EC|The server cannot validate against the subjectAlternateName (Only clients can do that.)|[[de:s7:scl_reference#tcon|TCON]]|
|80ED|TLSServerCertRef_m ID not valid|[[de:s7:scl_reference#tcon|TCON]]|
|80EE|Handshake not finished yet|[[de:s7:scl_reference#tsend|TSEND]]|
|8152|The WSTRING, WCHAR, BOOL, ARRAY of STRING, ARRAY of WSTRING and ARRAY of WCHAR data types are not supported at the SRCBLK parameter.|[[de:s7:scl_reference#blkmov|BLKMOV]]|
|8187|the MB_HOLD_REG parameter has an Invalid Pointer. Data area is too small.||
|8352|The WSTRING, WCHAR, BOOL, ARRAY of STRING, ARRAY of WSTRING and ARRAY of WCHAR data types are not supported at the DSTBLK parameter.|[[de:s7:scl_reference#blkmov|BLKMOV]]|
|8380|received Modbus frame has incorrect format OR too few bytes were received.||
|8381|Function code is NOT supported.||
|8382|the length OF the Modbus frame in the frame header does NOT match the number OF received bytes.||
|8383|#error reading OR writing data OR access outside the address area||
|8384|Invalid exception code received.||
|8385|Diagnostics code NOT supported.||
|8386|received function code does NOT match the one sent originally.||
|8387|the protocol ID OF the Modbus TCP frame received BY the server is NOT "0".||
|8388|the Modbus server sent a different data length than was requested.||
|8389|Invalid data area definition||
|80B6|Invalid connection type, only TCP connections are supported.||
|80BB|Invalid value at ActiveEstablished parameter||
|8188|the MB_MODE parameter has an Invalid value.||
|8189|Invalid addressing OF data at the MB_DATA_ADDR parameter.||
|818A|Invalid data length at the MB_DATA_LEN parameter.||
|818B|the MB_DATA_PTR parameter has an Invalid Pointer.||
|818C|Timeout at parameter BLOCKED_PROC_TIMEOUT OR RCV_TIMEOUT||
|8200|A different Modbus request is currently being processed via the PORT.||