SMA SC 500HE-US Maintenance Manual - Manual (Page 18)

4 Maintenance SMA America, LLC
18 SC500HEUS-eng-WH-IUS120411 Maintenance Manual
4.2.2 Reading Error Messages
Before any maintenance you need to read pending error messages from the inverter. The error
messages may give you clues about possible damaged component parts. The source of the error must
be corrected before scheduled maintenance is started.
1. Read error messages via the display (see Sunny Central user manual).
2. Fix the source of the error (see the Sunny Central user manual).
☑ There are no more error messages.
4.2.3 Performing Visual Inspection
A thorough visual inspection must be performed before any maintenance work. This ensures that
Sunny Central component parts are not damaged and also minimizes potentially hazardous
situations. Immediately remedy any deficiencies discovered.
Requirement:
☐ The inverter must be disconnected (see 4.3.1 "Disconnecting the Inverter", page 19).
• Fix any deficiencies discovered during the visual inspection.
Position Designation Explanation
A Model Device type
B Serial No. Inverter serial number
C Fabrication Date Date of manufacture
D ‒ Device-specific characteristics
Visual inspection means:
• Check the inverter for soiling.
• Check the inverter's enclosure for damage.
• Check component parts inside the inverter for damage and discoloration.
• Check the inverter for loose component parts.
• Check metal components for visible oxidation.
• Check component parts for soot from overheating.