SMA
Technologie AG
Troubleshooting
Installation Guide
SB40TL_50TL-IEN081211
69
6.
7.
Use a multimeter to check all the varistors and see
if there is a conducting connection between
connectors 2 and 3.
NOTICE!
Electrostatic discharges can damage the Sunny Boy!
The Sunny Boy can be damaged irreparably by electrostatic discharge to its
internal components.
•
Ground yourself before you touch a component.
Event
Measure
There is a
conducting
connection
.
There is probably another fault in the Sunny Boy.
•
•
Discuss further steps with the SMA Technical Service
Line.
There is
no conducting
connection
.
The respective varistor is defective and must be replaced.
The varistors are specially manufactured for use in the Sunny
Boy and are not commercially available. They must be
ordered directly from
SMA
Technologie AG (SMA order
code: "MSWR-TV8").
To replace the part, proceed to point 8.
Summary of Contents for SUNNY BOY 4000TL
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