SMA SUNNY BOY 1600TL, Руководство по установке

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Failure Search SMA Solar Technology AG
48 SB16_21TL-IA-IEN112351 Installation Guide
Imax / overcurrent Overcurrent on the AC side. This message is displayed if the current on
the AC grid is larger than specified.
Corrective measures
• Check the plant design and grid conditions.
K1-Close
K1-Open
K2-Open Error during relay test.
Corrective measures
• Contact the SMA Serviceline if this fault occurs frequently or
repeatedly.
MSD-dI
MSD-Fac
MSD-Vac
MSD-Timeout
MSD-Zac Internal measurement comparison fault or hardware defect.
Corrective measures
• If this fault continues to occur, contact the SMA Serviceline.
Offset The "Offset" operating state is a normal operating state that occurs prior
to grid monitoring. If "Offset" is displayed as an error, then there is a data
logging disturbance.
Corrective measures
• If this fault continues to occur, contact the SMA Serviceline.
Riso The electrical insulation of the PV plant to ground is faulty. The resistance
between the DC plus and/or DC minus connection and ground is outside
the defined limit range.
Corrective measures
• Check the plant insulation.
• Check the plant for ground faults as described in section
9.3.1 "Checking the PV Array for a Ground Fault" (page 51).
ROM The inverter firmware is faulty.
Corrective measures
• If this fault continues to occur, contact the SMA Serviceline.
Shutdown Temporary inverter disturbance.
Corrective measures
• Contact the SMA Serviceline.
Message Description and Corrective Measure