Repair Services & Troubleshooting

Solar power systems during long-term operation may encounter many technical issues such as reduced output, localized overheating, inverter errors, cable oxidation, poor connections or panel degradation. If not addressed promptly, these issues directly affect performance, equipment lifespan and electrical safety.

XBSOLAR’s Repair & Troubleshooting service is designed to solve these problems professionally and effectively. XBSOLAR’s engineering team performs comprehensive inspections, identifies root causes and provides optimal solutions to restore the system to stable, safe operation with high performance.

COMMON SYSTEM ERRORS

Inverter Errors

(signal loss, overload, overheating, MPPT errors).

Abnormal Power Output Decrease

Panel Degradation or Hot Spots

Non-standard Connections, Loose Contacts, Damaged Cables

AC/DC Errors, Unstable Voltage

Initial Installation Not Meeting Standards

Service Details

System Inspection & Diagnosis

- Survey entire inverter, solar panel and wiring locations.
- Measure voltage, current, internal resistance of each panel string.
- Analyze output data to identify deviations.

Troubleshooting & Component Replacement

Repair inverter errors and replace faulty modules.
Tighten connection points – eliminate poor contacts.
Replace damaged cables and connectors.

Old System Renovation

Readjust cable layout, rewire MC4 ensuring safety.
Upgrade electrical cabinet, replace fuses, DC/AC switches.
Optimize inverter configuration – reduce power loss.

Testing & Acceptance

Measure output before – after treatment to evaluate effectiveness.
Send inspection report and detailed results.
Handover operation instructions after repair.

GENERAL PROCESS

step 1:

Survey & Information Reception

Record system condition, conduct site survey, preliminary error analysis.

step 2:

Identify Cause & Propose Solutions

Error report, propose suitable repair solutions.

step 3:

Execute Repair & Replacement

Engineers directly implement, ensuring safety – meeting technical standards.

step 4:

Acceptance & Handover

Check performance, reassess output and handover technical documentation.

Customer Benefits

Minimize operational downtime, helping customers maintain stable power output.
Protect long-term investment, limit fire, explosion risks, system damage.
Optimize maintenance costs through timely detection and resolution, correct error fixes, proper component replacement.

Advantages of Choosing XBSOLAR

Dedicated warranty – repair technical center for XBSOLAR in Vietnam.
Replacement parts available in stock, 24-hour support.
Technicians directly trained by Sungrow.
On-site service nationwide, fast and accurate troubleshooting.

Why do businesses need repair services from XBSOLAR?

Accurate error detection – rapid resolution, minimizing downtime.
Optimize output after troubleshooting.
Ensure equipment and system safety according to technical standards.
Use genuine components, compatible with the system.
Engineering team knowledgeable in both inverters and panels for thorough resolution.

Contact XBSOLAR

Technical support – site survey – suitable solution consultation.