Internal fault (e.g. surge protection device)
Fronius · Primo GEN24
What does 713 mean?
The Fronius Primo GEN24 208-240 inverter has detected an internal fault related to its surge protection device (SPD). This indicates that the SPD may have failed, potentially due to a voltage surge, compromising the inverter's protection against transient overvoltages.
Common Causes
- Internal fault (e.g. surge protection device).
- SPD has tripped or is damaged from a surge event.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Inspect the surge protection device (SPD) within the Fronius Primo GEN24 208-240 inverter's connection area (if visible and accessible by qualified personnel) for any fault indicators or tripped modules.
- 2
Perform a full power cycle of the inverter by cycling both AC and DC disconnects, waiting, and then reapplying power.
- 3
Check for any signs of recent electrical surges or lightning strikes in the vicinity that could have caused the SPD to activate or fail.
- 4
If the SPD has modular cartridges, verify they are correctly seated or check for indicators that they require replacement.
- 5
If the fault persists and the SPD appears damaged or faulty, contact Fronius service for inspection and potential replacement of the SPD.