SMA SUNNY CENTRAL Maintenance manual - Manual (Page 56)

Maintaining the Sunny String-Monitor SMA Solar Technology AG
56 SCWAR-WEN094020 Maintenance Manual
3. Make sure that the lid is securely in place and properly sealed. Make sure that the cover locks
are correctly closed; they are closed under light pressure by means of a screwdriver until they
lock into position (1/4 turning).
4. Check whether there is condensation water in the device.
☑ Wipe out the Sunny String-Monitor, check from where the water intruded the device and
take corrective measures.
5. Check the pressure adjusting screw for dirt or damage and replace it, if necessary.
6. Check the Plexiglass covers above the string fuses.
Maintenance in Sunny String-Monitor
Further steps of maintenance work are carried out inside the Sunny String-Monitor or affect
the cabling that leading inside.