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Fault repair and maintenance is a site service that technically isolates the source of a problem lowering production or stopping the system on a solar site, and determines the correct scope of intervention. This service suits sites that need direct fault diagnosis — unlike planned maintenance — when an alarm, production loss or equipment shutdown occurs. The core technical decision is whether the symptom or the root cause is being repaired, and which checks determine the order of intervention.
That decision is made by evaluating alarm records, inverter behavior, string values, AC/DC connections and thermal findings together. Once the technical cause is clear, the repair, verification and monitoring steps are planned.
Checks that separate the symptom from the root cause prevent unnecessary part replacement and clarify a safe repair order and verification steps.
This section was prepared to directly answer the service description, eligibility conditions and key technical decision points.
Yes — fault repair and maintenance kicks in after a problem has already occurred, while planned maintenance aims to catch a problem before it happens. That's why the diagnostic order and intervention scope differ.
The root cause is determined by reading alarm records, inverter behavior, string values, AC/DC connections and thermal findings together. The goal is to isolate the real technical source, not just the symptom.
A site visit is required for production loss, equipment shutdown, a recurring alarm, or a situation that creates a safety risk. Deviations visible remotely are evaluated separately from faults that require on-site verification.
After a repair, it's verified that the fault's source has been eliminated, the relevant line has returned to normal values, and the alarm doesn't recur. If needed, the lasting result is tracked further through a monitoring period.