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IM 04L51B01-01EN
5.2 Troubleshooting
5.2.1 Messages
Error codes and messages may appear on the screen while you are using the GX/GP. A list
of the possible error codes and messages are given in the table below. Communication error
codes and messages are also listed.
ErrorsRelatedtoParameterSettings
•SettingErrors
Code Message Description, Corrective Action, Ref. Section
1 Incorrect date or time setting. Enter a correct value.
2 The setting of the parameter is wrong Please confirm
specifications.
Check the communication command specifications.
3 The input numerical value exceeds the set range. Enter a proper value.
4 Incorrect input character string. Enter a proper character string.
5 Too many characters. Enter the correct number of characters.
6 The format of the parameter is wrong. Check the communication command specifications.
7 No character string saved in the clipboard. Copy a character string to the clipboard.
8 The character string saved in the clipboard is too long. Paste a character string with the specified number of
characters.
9 String’s length has exceeded. Enter the correct number of characters.
11 The module does not exist. Check that the module is installed correctly.
12 No specified input channel. Specify a channel that is installed.
13 Exceeded the number of channels which can be set. Set the correct number of channels.
14 The same channel exist more than one. Set a channel only once.
15 The specified number is set to manual. Set the DO channel or internal switch Type to Alarm.
16 Please specify at least one channel. Specify a channel.
31 Invalid input value. (in ascending order) Set the calibration correction value to a value greater
than the previous value.
41 No channel specified by formula. Check the channel number specified by the expression.
42 MATH expression grammar is incorrect. Check that the expression grammar is correct.
43 Invalid order of operators. Check that the operator used in the expression in
relation to the applicable operands meets the grammar
requirements.
44 Too many operators for MATH expression. The maximum number of operators in an expression has
been exceeded.
Reduce the number of operators, such as by splitting up
the expression into multiple math channels.
45 Nonexistent constant specified in MATH expression. Check the constant number specified by the expression.
91 This username is already registered. Register another user name.
92 ’quit’ string cannot be specified. Change the character string.
93 String including space cannot be specified. Change the character string.
94 NULL cannot be specified. Change the character string.
95 User ID already registered.
96 This user name cannot be specified. Change the character string.
101 Duplicated port number. Enter a different port number for each function.
102 IP address class error. Check the IP address.
103 Masked IP address is all 0s or 1s. Check the subnet mask.
104 SUBNET mask is incorrect. Check the subnet mask.
105 The net part of default gateway is not equal to that of IP address. Check the IP address.
106 More than one address cannot be specified. Only a single sender is allowed.
107 Number entered exceeds channel number range. Use another
command.
Check the syntax of the Modbus command.