Siemens ET 200SP Manual page 148

Diagnostics alarm Error
code
Supply voltage 110
fault
Overtemperature 506
Technology Module TM Pulse 2x24V (6ES7138‑6DB00‑0BB1)
Manual, 05/2019, A5E35061186-AB
Meaning
Error at supply voltage L+
•
H
Possible causes:
•
– Low voltage
– Wiring of supply voltage L+ faulty
Possible causes:
H
Short-circuit or overload at the digital out-
•
puts or output of the sensor supply
Ambient temperature outside specifications
•
Contamination in the module prevents
•
cooling
Interrupts/diagnostic messages
5.2 Diagnostic messages
Solution
Check supply voltage L+ at the Ba-
•
seUnit
Check wiring of supply voltage L+
•
Check process wiring
•
Improve cooling
•
Check connected loads
•
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