Siemens SITOP BUF8600, Manual

Page: 223 / 252

PSU8600power supply systems
Manual, 04.2016, A5E35883207-7-76
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Troubleshooting
8
8.1 Troubleshooting based on the LED signal sequence
Refer to Displays (Page 29).
8.2 PROFINET alarm list
You can obtain additional information on an active alarm from the help text.
The extended error type is used to interpret alarms in S7 function blocks that you have
programmed yourself.
The identifier in the "Maintenance" column indicates the severity of the fault/error:
● MR = Maintenance Required
● MD = Maintenance Demanded
● F = Failure (module has failed)
Output error
Error Type Extended
Error Type
Mainte-
nance
Alarm text Help text
256 - F System error System error
256 1 F Incorrect checksum Defective firmware detected. Device must
be reactivated with a new firmware up-
date.
256 2 F Device failure Device failure
256 3 MD Maintenance demanded Maintenance request
256 4 MR Maintenance required Maintenance required
256 5 F Module failure Module failure
256 6 F Unexpected module type The module has a module type that dif-
fers from the configuration. The module
cannot be operated.
256 7 MD Unexpected module type The module has a module type that dif-
fers from the configuration. Deviations
from the expected response may occur
outside normal operation.
256 8 MR Unexpected module type The module has a module type that dif-
fers from the configuration. The system
can be operated.
256 9 F Shutdown due to overtemperature Overtemperature in a system component
detected. All outputs of the power supply
system have been switched off.