Operation
EL2904 45Version: 3.2.2
Diagnostics Possible cause Remedial actions
Internal defect Replace terminal
Diag 2 LED
Flash code 9
Terminal temperature difference too large:
one of the 3 internal measuring points is faulty
Replace terminal
Terminal temperature difference too large:
An internal measuring point shows an elevated
temperature due to inadequate convection.
Check the installation position of the terminal and modify it
according to the specifications in section Mechanical
installation, if required
EMC faults Take suitable EMC measures
Internal defect Replace terminal
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