A stale triggers after a record hasn't been recorded for three times the sum of SampleTime/HoldTime/InitialDelay settings
Follow these trouible shooting steps to get your unit on line and your cleanroom back in order:
1. Remove power from the unit
2. Remove network or serial connection
3. Re insert network or serial connection
4. Apply power
5. Wait for the first clear data reccord.
Note: For POE units step 1 and 2 are combined and step 3 and four are combined
If the error persist contact tech support HERE or talk to a product specialist using our live chat feature in the bottom right of your browser.