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10
Diagnostics
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10.1
What to do in the event of an error
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Do not operate the system in the event of an unclear error!
If you cannot clearly allocate or cannot safely eliminate an error:
• Place the machine out of operation.
ATTENTION
Carry out a complete function test after eliminating the error.
Once you have eliminated an error:
• Carry out a complete function test.
ATTENTION
10.2
Error statuses
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With certain error functions or a faulty configuration, the samosPRO safety control will go into
a safe state. The LEDs for the individual modules of the safety control will indicate the respec-
tive error level.
There are various error levels depending on the type of error:
Configuration error
• The system is in the "Configuration required" state (MS LED flashing red (HZ)).
• Applications in all modules are in the stop mode.
• All safety outputs of the system are switched off.
• All safe process data are set at zero. Typically, the non-safety-related process data are also
set at zero.
Repairable errors
• The applications in all modules will remain in the run state (MS LED for the affected mo-
dules will flash red/green alternating (1 Hz); MS LED of the unaffected modules will be lit
green).
• If safety outputs are affected, then these safety outputs of the system will be switched off
at a minimum.
• If safe inputs are affected, then the process data of these safe inputs at a minimum will be
set at zero.
Critical error
• The system is in the critical error state (MS LED of the module that has detected the critical
error is flashing red (2 Hz). MS LED of the modules at which the error cause is unknown
will be lit in red).
• Applications in all modules are in the stop mode.
• All safety outputs of the system are switched off.
• All safe process data are set at zero. Typically, the non-safety-related process data are also
set at zero.
How to place the device back in operation:
Eliminate the cause of the error in accordance with the displays of the MS and PWR/EC
LEDs.
With critical errors, switch off the supply voltage to the samosPRO system for at least 3
seconds and switch it back on.
Wieland Electric GmbH | BA000966 | 08/2017 [8151]
Diagnostics
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