2. Position the insertion tool into the clamping
contacts of the connecting terminal plate.
3. Remove the varistor from the connecting terminal plate.
4. Use a measuring device to measure whether
there is a conductive connection between the
middle and the right-hand varistor lead. Hold the
varistor with the labeling pointing forward.
If there is no conductive connection, the varistor is defective. SMA Solar Technology AG
recommends replacing all varistors immediately.
• Order new varistors and insertion tools (see Section 12 "Spare Parts", page 33).
• Reinsert old varistors and leave them in place until new varistors and insertion tools are
available.
• If new varistors are available, replace all varistors (see Section 7, page 24).
If a conductive connection is present, contact the SMA Service Line.
6 Checking the Function of the Varistors
SMA Solar Technology AG
Service Manual for Installers
23
STP5-12TL-20-SG-en-13
Summary of Contents for SUNNY TRIPOWER 10000TL
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