9 checking the fuses and fuse holders – SMA SC 500HE-20 Maintenance Manua User Manual
Page 50
7 Maintaining the Accessories
SMA Solar Technology AG
50
SC500-800HE20-WH-en-10
Maintenance Manual
2. Ensure that the latches of the Plexiglas covers are undamaged and securely in place.
Replace the latches if they are damaged or loose.
3. Ensure that the safety message labels on and inside the device are present and undamaged.
Replace safety message labels if they are damaged or missing.
7.2.9 Checking the Fuses and Fuse Holders
2. Ensure that the DC fuses and tension springs of the fuse holders are securely in place.
Replace the DC fuses or fuse holders if they are loose.
7.2.10 Checking the Screw Connections and Clamp Connections
2. Ensure that the screw and clamp connections are securely in place.
3. Ensure that the strain relief of the entire cabling is intact.
E
86-108670105
86-108670109
Danger of burn injury
Risk of an electric arc
F
86-0512
L+
G
86-0514
L‒
1.
%"/(&3
Danger to life from electric shock or electric arc when touching live components.
• Disconnect the Sunny Main Box (see Section 7.2.1).
1.
%"/(&3
Danger to life from electric shock or electric arc when touching live components.
• Disconnect the Sunny Main Box (see Section 7.2.1).
1.
%"/(&3
Danger to life from electric shock or electric arc when touching live components.
• Disconnect the Sunny Main Box (see Section 7.2.1).
Position
SMA order number
Description