SMA Sunny Boy Control - Manual (Page 135)

Sunny Boy Control
SMA Technologie AG
User Manual SUNBC - 14 : NE0206 131
9 Failures
9.1 Messages and Their Causes
Refer to the following explanations whenever the Sunny Boy Control displays error or
warning messages. In most cases, you will find useful advice here on how to elimi-
nate the problem. Otherwise, you may also contact the Sunny Boy Hotline (refer to
section “11.4 Contact Information” at the end of this document).
Device Failure Warning: “dev. troubled”
[ WARNING ]
[03: WR700-07 ]
Device ID: device model
dev. troubled…
…dZac-Bfr Cause of the failure
Fig. 9.1: Example of device failure
Whenever a device reports a failure, refer to the manual of the device.
Communication Warning: “Communication OK-Spot20”
[ WARNING ]
[03: WR700-07 ] Device ID: device model
Communication…
…OK-Spot20 74%
Communication quality of last 20 packets
Fig. 9.2: Example of communication warning
The last 20 data packets to a device were ignored (Spot20).
Causes:
•
Device defective or incorrectly installed.
•
Temporary failure of data communication line
•
“Communication” tolerance setting is too low (refer to section 6.3.1).