Yokogawa Standalone MW100 - Manual (Page 126)

App-24
IM MW100-17E
Communication Error
The code is divided into two parts which are displayed alternately on the 7-segment LED;
in the first part, the letter E appears in the left digit with the hundreds digit of the error
code to the right, and the second part consists of the last two digits of the error code.
Display Possible Problem Corrective Action
E501 Login first. First, finish logging in.
E502 Login failed, try again. Enter the correct user name and password.
E503 Connection count exceeded the upper limit. Close unneeded connections and reconnect.
E504 Connection has been lost. Try to make a new connection.
E505 Connection has time out. Try to make a new connection.
E520 FTP function not available. Enable the function.
E521 FTP control connection failed. Check the FTP server address and the main unit address setting.
Also check the Ethernet cable connection.
E530 SMTP function not available. Enable the function.
E531 SMTP connection failed. Check the SMTP server address and the main unit address
settings. Also check the Ethernet cable connection.
E532 POP3 connection failed. Check the POP3 server address and the main unit address settings.
Also check the Ethernet cable connection.
E550 SNTP function not available. Enable the function.
E551 SNTP command/response failed. Check the SNTP server address and the main unit address settings.
Also check the Ethernet cable connection.
System Errors
The code is divided into two parts which are displayed alternately on the 7-segment LED;
in the first part, the letter E appears in the left digit with the hundreds digit of the error
code to the right, and the second part consists of the last two digits of the error code.
Display Possible Problem Corrective Action
E999 System error. Servicing required.
Appendix 7 Error Display on the 7-Segment LED and Corrective Actions