Interrupts and diagnostic, error, and system alarms
6.3 Alarms
Interface module IM 155-5 MF HF (6ES7155-5MU00-0CN0)
Equipment Manual, 11/2023, A5E53268530-AA
55
ChannelError-
Type
ExtendedChan-
nel
Associated value
(AddValue)
Diagnostics
firmware update
Security event: Firmware has been successfully downloaded
and activated for installation. (New firmware version: <FW
firmware update
Security event: The firmware integrity checks failed. The new
firmware version <FW version> was rejected.
• Verify if the firmware update file you are using comes from
a secure source.
• Download the firmware again from the Siemens Support
Web page.
• Repeat the firmware update.
Structure of the manufacturer-specific diagnostic data records (firmware version lower than
V4.2)
The structure of the diagnostic data records is differentiated by the BlockVersion. The
following BlockVersion applies to the IM 155-5 PN HF interface modules:
Table 6- 5 Structure of the manufacturer-specific diagnostic data records
IM 155-5 MF HF interface module
Manufacturer-specific diagnostics in the User Structure Identifier (USI)
The following manufacturer-specific diagnostic data is signaled in the USI with the
IM 155-5 MF HF interface module:
Table 6- 6 Manufacturer-specific diagnostics in the USI
Power budget error (overload has been detected in at least one power segment)
Permitted number of power supply modules exceeded
Permitted number of I/O modules exceeded
No U connector detected on an IM port
More than one bus master module (IM/CPU) detected
Communication with slot <No.> has failed
Error IM power supply: Power supply not active or power supply active
Additional information
You can find additional information on maximum configuration, power budget and power
segments in the system manual S7-1500, ET 200MP Automation system
(https://support.industry.siemens.com/cs/ww/en/view/59191792).
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