Event name

Read out data (not followed by "Data gap")

Meaning

RMS detects missing data for a period and tries to read back the missing data from the device.

Case 1

Behavior

With single devices and seldom occurs.

Possible root cause

Short-term failure of the wired or wireless connection.

Action

No reaction required in case this message is expected.

Case 2

Behavior

With single devices and frequently occurs

Possible root cause

1) The connection between the  server and the wired device is disturbed, network issue.

2) A disturbance or weak signal for the wireless devices.

Action

A frequent "Read out data" message is an indication of a network issue (frequent communication interruption). Check the network and/or wireless connection.

Case 3

Behavior

Happens to all measuring points at the same time.

Possible root cause

1) The server was offline due to an application recycle. It starts to backfill the data when it is online again.

2) The connection to the server was disturbed, network issue.

Action

1) No reaction required if an expected offline of the server was expected.

2) Check the IIS settings about the application recycle.

3) Check the network connection.