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SMA
Technologie AG
10 Troubleshooting / Problem solving
The Sunny Mini Central is a complex high-technology device. As a result, the possibili-
ties for fixing faults on site are limited to just a few items. Should the Sunny Mini Central
display other blink codes or display messages than those described in chapter 7 „Com-
missoning of the Sunny Mini Central" (Page 55), please refer to the operating manual
of the Sunny Mini Central to find the exact explanation of the display message or the
blink code and details on troubleshooting.
Please do not attempt any other repairs than those described here, but instead use the
24-hour replacement service (the Sunny Mini Central is made ready for shipping within
24 hours and then given to a shipping company) and the repair service of SMA Tech-
nologie AG.
Inappropriate problem solving may cause serious injury to persons or ma-
terial damage. Faults must therefore be corrected by a trained electrician.
10.1 Overview
Green
illuminates
continuously
flashes quickly
(3x per second)
flashes slowly
(1x per second)
briefly goes out
(approx. 1 x per
second)
is not illuminated
Installation Guide
Red
is not illuminated
illuminates
continuously
is not illuminated
illuminates
continuously
is not illuminated
illuminates
continuously
is not illuminated
illuminates
continuously
is not illuminated
illuminates
continuously
Troubleshooting / Problem solving
Yellow
is not illuminated
is not illuminated
illuminates
continuously
is not illuminated
is not illuminated
is not illuminated
is not illuminated
is not illuminated
is not illuminated
is not illuminated
illuminating/flashing
is not illuminated
illuminating/flashing
SMC50A_60A-11:SE3706
Status
OK (working mode)
Failure
OK (initialization)
OK (stop)
Failure
OK (waiting, grid
monitoring)
Failure
OK (derating)
Failure
OK (night shutdown)
Failure
Failure
Failure
Page 67
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