SMA SSM8-21-BS - Manual (Page 49)

SMA Solar Technology AG 10 Maintenance
Installation Manual SSMxx-21-IA-BS-JP-en-20 49
• Check the terminals. Attach the cable, if necessary.
10.13 Checking the Ground Connection
2. Ensure that the ground connection and the contact resistance to the ground potential are correct.
10.14 Checking the LEDs of the String-Monitor Unit
Figure 21: LED Error on the String-Monitor Unit
Procedure:
2. If the red Error LED on the String-Monitor Unit is glowing, contact the SMA Service Line.
1. '$1*(5
Danger to life by electric shock or electric arc if live components are touched
• Disconnect the Sunny String-Monitor from voltage sources (see Section 8, page 41).
Position Designation
A LED Error
1. '$1*(5
Danger to life by electric shock or electric arc if live components are touched
• Disconnect the Sunny String-Monitor from voltage sources (see Section 8, page 41).