Ecograph T, RSG35 Diagnostics and troubleshooting
Endress+Hauser 53
Diagnostic
code
Message text Description Remedy
M905 Set point x Set point x has been violated Note: Error number only occurs if e-mails are sent
M906 End limit value x Set point x no longer violated Note: Error number only occurs if e-mails are sent
F910 This software is not enabled
for this device
The current firmware is not enabled for this
hardware
Contact the Service Department
M920 Too many messages that
need to be acknowledged!
There are too many messages that need to be
acknowledged. Another message could not be
added
Acknowledge messages
M921 SD card x% full. External memory is full Replace SD card
M922 No cyclic measurement
transfer
The instantaneous values were not read out for
a set time
M922 No cyclic transfer The device was not read out via fieldbus for a
configurable time
Check the communication of the fieldbus. Check PLC
M924 Error accessing SD card!
Error accessing USB stick!
SD card is not or wrong
formatted!
USB stick is not or wrong
formatted!
Impossible to access the removable data
medium. Causes include:
Memory is larger than 32 GB
Invalid format (only FAT or FAT32 are
permitted)
Check/replace removable data medium
M925 SD card is write-protected! SD card is write-protected! Remove write protection
M927 Insufficient space free on
data storage medium!
An attempt was made to save to the SD card or
USB stick (setup, screenshot, etc.), but not
enough free memory space is available
Use other SD card/USB stick. Delete files that are no
longer needed from the SD card/USB stick
M927 Insufficient space free on
data storage medium!
An attempt was made to save the data onto the
WebDAV server, but there was not sufficient
memory available
Use other WebDAV server. Delete files no longer
required from the WebDAV server
F929 File is damaged! The file that should be loaded is damaged/
invalid (e.g. wrong checksum).
This message can occur in connection with the
following actions, for instance:
Loading setup from SD card/USB stick
Firmware update
Loading process-related graphics
Create file again, use other storage medium
M940 E-mail could not be sent! (x) E-mail could not be sent!
Optional: Error code (x) from server: e.g.:
• 451: Requested action aborted: local
processing error
• 554: Transaction failed. Possible reason: e-
mail was not sent as suspected of being
SPAM
• 1: No free buffer
• 2: No receiver specified
Check settings/network connection
• 451: Try again
• 554: Use other e-mail provider
M941 No connection to the e-mail
server!
A connection to the e-mail server could not be
established because:
• The entered connection data are incorrect
• The connection has been disconnected
Check settings/network connection
M942 SMTP: fault occurred (x). An error occurred when sending an e-mail.
x= error code:
0: SMTP was switched off when the mail was
being sent
3: TCP/IP connection was denied
4: TCP/IP connection error
5: SMTP server denied
6: Error during authentication
7: Connection unexpectedly lost
8: Server responded with error code
9: Timeout
10: Internal protocol error
Check settings/network connection
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