List of the Error Codes

The CT-BOX unit replies with a Not AcKnowledge (NAK) if the received command is not correct, or is not accepted. The NAK reply is followed by an error code field, which indicates the error cause and/or type.

Error Code	Brief description of error
0	Command not valid
1	Parameter not valid
2	Parameter is out of expected range
3	Parameter cannot be modified when the CT-BOX is acquiring data
4	Printout stream has been interrupted (DLOG/DMM only): repeat the issued command or restart the printout stream with PRINT:ON
5	Command is not supported in the current mode (see MODE)
6	Command cannot be executed when the CT-BOX is acquiring data
7	RS-232 communication is only supported in DLOG mode
8	DCCT is not connected to the CT-BOX
9	Other DCCT error
10	CT-BOX name parameter string is too long (see CTBOX)
11	CT-BOX is already acquiring data
12	SD-Card file create error
13	SD-Card file close error
14	SD-Card write to file error
15	SD-Card file cannot be synchronized
16	SD-Card is not mounted (see SD)
17	SD-Card cannot list files
18	SD-Card cannot be mounted
19	SD-Card cannot be unmounted
20	It is not possible to remove the file
21	It is not possible to open the file
22	It is not possible to read the file
23	Password required (see PASSWORD)
24	OFFSET detected value is not accepted, because it is too big (see OFFSET)
25	Wrong password
26	USB communication is only supported in DLOG mode
27	Trigger mode is not valid