SMC Networks Sunny Mini Central SMC 5000A - Manual (Page 64)

Troubleshooting / Problem Solving SMA Technologie AG
Page 64 SMC50A_60A-IEN073320 Installation Guide
3 Repeat points 3 and 4 for each string.
Event Measure
You have found a ground
fault.
Restart the Sunny Mini Central as described
from step 7 onwards, but without
reconnecting the faulty string. The PV
generator's installation engineer has to fix the
ground fault before you can reconnect this
string.
You have found no ground
fault.
It is likely that one of the thermally monitored
varistors is defective. In this case, proceed as
described in section 11.2.2 "Checking the
Varistors" (Page 65).
4 Commission the Sunny Mini Central as described in section 10.3 "Closing of
the Sunny Mini Central" (Page 60).
5 Check whether the display or the LEDs on
the Sunny Mini Central indicate that the
device is functioning correctly (see section 8
"Commissioning the Sunny Mini Central"
(Page 51)).
Step Instruction