Programmable Relay ● User Manual for ELC, EXM and PR Series 44 2020 v6.0 ● © Rievtech Co.,
Ltd. ● www.rievtech.com
List of SMS Error Codes
The following table lists the SMS error codes that can be received from the GSM PLC.
Table 11 - GSM SMS Error Codes
Undefined/Cannot/Failed to modify parameters
Check SMS parameter spelling is correct and valid
The phone number/email address field sent does not
meet requirements
Check the format of the phone number/email address
sent
Too many characters in SMS message
No end of message character
Check SMS ends with ; character
Parameter modification not supported
Check the parameter to be changed is valid
The phone book entry sent via SMS cannot be found
The password change contains unsupported
characters
The password sent for userx is not correct
Empty or uninitialized phone book
The phone book in the GSM PLC has no entries or
needs to be reloaded to be initialised
The current record field cannot be changed or is
corrupt
The parameter for the record cannot be found
Phone book failed to save
Download phone book using xLogicsoft again
PLC parameter change via LCD
Parameter modified using PLC LCD screen
Software function not supported
Check instruction being sent to PLC is correct