Diagnostics and maintenance
6.5 Downloading firmware
CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1
106 Operating Instructions, 01/2017, C79000-G8976-C426-03
8502 Syntax error. Check the following configuration data:
Alarm configuration > E-mail data (Content):
• Email address (sender)
8535 SMTP authentication incomplete. Check the "User name" and "Password" parameters in
the CP configuration.
8550 SMTP server cannot be reached. You have no access rights. Check the following configu-
ration data:
• CP configuration > E-mail configuration:
– User name
– Password
– Email address (sender)
• Alarm configuration > E-mail data (Content):
– Recipient address ("To" or "Cc").
85xx Other error message from the e-mail server
Apart from the leading "8", the message corresponds to the three-digit error number of the
Downloading firmware
New firmware versions of the CP
If a new firmware version is available for the CP, you will find this on the Internet pages of
Siemens Industry Online Support:
Link: (https://support.industry.siemens.com/cs/ww/en/ps/22144/dl)
Link: (https://support.industry.siemens.com/cs/ww/en/ps/22143/dl)
There are three different ways of loading a new firmware file on the CP:
● Saving the firmware file on the memory card of the CPU
You will find a description of the procedure for loading on the memory card of the CPU on
the Internet page of Industry Online Support shown above.
● Loading the firmware with the online functions of STEP 7 via Ethernet / Internet
The description of these methods follows.
● Downloading the firmware via the Web server of the CPU
You will find the description of these methods in the section Web server of the CPU
(Page 102).