The WiFi data logger is displaying the error code E03, E04, E05 or E09,
what can I do?
An error has occurred in the WiFi data logger. The error will automatically be
corrected by the firmware of the WiFi data logger. After a few seconds the error
code should no longer be displayed, you do not need to do anything.
The WiFi data logger is displaying the error code E12, what can I do?
The configuration file WifiConfig.xml indicates an error. Use the Quick Start
Guide to create a new configuration file and save this onto the WiFi data logger.
The WiFi data logger is displaying error code E20, what can I do?
A WPA2 Enterprise EAP connection needs to be configured, but no CA
certificate could be found. A CA certificate is essential.
Save the CA certificate in PEM format under the name “ca.pem” together with
the XML file or upload it in the web config.
The WiFi data logger is displaying error code E21, what can I do?
Incorrect format of the ca.pem certificate. Check whether the ca.pem certificate
is available in a PEM or BASE64 format. To do so, open the certificate using a
text editor and check that you can see the string “-----BEGIN CERTIFICATE----
-”. If you cannot see this string, the IT department or the user must explicitly
export the certificate from the Radius server using BASE64, or convert it using
openssl. There must be one certificate only, not a bundle, inside the file.
The WiFi data logger is displaying error code E22, what can I do?
A WPA2 Enterprise EAP-TLS connection needs to be configured, but no user
certificate could be found. Save the user certificate in PEM format under the
name “client.pem” together with the XML file or upload it in the web config.
The WiFi data logger is displaying error code E23, what can I do?
Incorrect format of the client.pem user certificate. Check whether the client.pem
user certificate is available in a PEM or BASE64 format. To do so, open the
certificate using a text editor and check that you can see the string “-----BEGIN
CERTIFICATE-----”. If you cannot see this string, the IT department or the user
must explicitly export the certificate from the Radius server using BASE64, or
convert it using openssl. There must be one certificate only, not a bundle, inside
the file.
Older generation Saveris2 logger, prior to 2016 (see type
plate):
The most common reason for this error is low battery. Insert new
batteries into the WiFi data logger.
If this does not solve the problem: Reset the WiFi data logger to
its factory settings. To do this, press and hold down the control
key for > 20 s until the display goes blank.
The WiFi data logger is displaying error code E24, what can I do?
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