SMA SC 200 User Manual
Page 83

SMA Solar Technology AG
Troubleshooting and Problem Solving
User Manual
SC-BEN100262
83
380
Error text:
SMU
Error type 1
Cause of error:
The string monitoring system has detected one or more faulty strings or surge voltage
protectors.
Corrective measures:
• Under "Device Set-up > SMUs > Devices > Measured Values", read out the individual
string currents to locate the faulty string.
• More detailed information can be found in the Sunny String-Monitor manual.
381
Error text:
ser. com. with SMU disturbed
Error type 1
Cause of error:
Communication failure between Sunny Central and the Sunny String-Monitors.
Corrective measures:
• Check communication lines and connections.
• More detailed information can be found in the Sunny String-Monitor manual.
382
Error text:
thievery solar panel
Error type 1
Cause of error:
Signal loop for theft detection at the Sunny String-Monitor has been interrupted.
Corrective measures:
• Check string currents.
• Check signal loop.
• For further details, refer to the installation guide and user manual of the Sunny String-
Monitor and / or Sunny String-Monitor Cabinet.
585
Error text:
ser. com. with team disturbed
Error type 1
Cause of error:
The communication between the two team inverters has failed.
Corrective measures:
• Check the RS485 wiring for team communication.
• Check power supply of the team member.
• Check team parameters at both Sunny Centrals.
No.
Description