Diag 2 Flash 7
Internal Terminal Temperature Too Low
Beckhoff · EL2904 TwinSAFE Fail-Safe Output Terminal
What does Diag 2 Flash 7 mean?
The internal temperature of the terminal has fallen below its specified operating range. This cold condition can negatively impact the performance, response time, and reliability of the internal electronics and overall safety functions. Continued operation outside the specified temperature range may lead to malfunction or damage to components.
Additional Steps
Steps 1–2 are listed in Priority Fix.
- 3
Take suitable EMC measures if electromagnetic interference is suspected to be contributing to environmental instability. If the issue persists, replace the terminal.
Source: Beckhoff EL2904 TwinSAFE Fail-Safe Output Terminal
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