SOLIS Repair Services India
SOLIS is a world-leading manufacturer of solar inverters and renewable energy conversion systems headquartered in China. With a global presence across 150+ countries and strong penetration in India's solar sector, SOLIS inverters power millions of residential, commercial, and utility-scale installations. The brand is recognized for high efficiency, robust thermal management, and grid-compliant designs tailored to tropical climates.
SOLIS is a world-leading manufacturer of solar inverters and renewable energy conversion systems headquartered in China. With a global presence across 150+ countries and strong penetration in India's solar sector, SOLIS inverters power millions of residential, commercial, and utility-scale installations. The brand is recognized for high efficiency, robust thermal management, and grid-compliant designs tailored to tropical climates.
Synchronics specializes in repairing SOLIS solar inverters, string inverters, and hybrid energy storage systems across all voltage classes. Our 180+ engineers have extensive experience diagnosing SOLIS-specific faults including IGBT failures, capacitor degradation, and firmware corruption. We stock SOLIS-compatible components and offer fast turnaround repairs, making us the trusted SOLIS repair partner for Indian manufacturers, installers, and EPC contractors managing large solar deployments.
Expert SOLIS inverter repair and diagnostics for India's solar industry since 2004.
SOLIS Product Lines We Repair
Our engineers are trained on the full SOLIS product range. Below are the major product families we service.
SOLIS String Inverters (Single-Phase)
1-10 kW compact inverters for residential rooftop solar installations. Common failures include DC-link capacitor ESR rise, MOSFET gate drive circuit degradation, and firmware version conflicts during grid code updates in Indian distribution networks.
SOLIS Three-Phase String Inverters
10-50 kW mid-range units deployed in commercial rooftops and small industrial sites across India. Repair focus includes IGBT short circuits, anti-islanding relay failures, and voltage imbalance faults triggered by weak grid conditions common in rural Indian power networks.
SOLIS Central Inverters
100 kW to 250 kW utility-scale inverters for utility and large industrial solar farms. High-voltage design prone to transformer core saturation under unbalanced load, capacitor bank resonance, and control board thermal runaway in high-ambient Indian locations.
SOLIS Hybrid Inverters (Battery Integrated)
Single and three-phase hybrid inverters with embedded battery management for off-grid and microgrid applications. BMS communication faults, lithium battery protection trips, and DC-DC converter failures are frequent repair cases in remote Indian locations.
SOLIS Cloud Energy Manager
WiFi/GPRS communication modules and energy management control units for remote monitoring and data logging. Ethernet port corrosion, SIM card reader failures, and firmware synchronization errors with SCADA systems cause operational downtime.
Why Choose Synchronics for SOLIS Repairs?
PCB-Level Expertise
We repair down to the component level — not just swap boards. Our engineers identify root causes, replace failed IGBTs, capacitors, processors, and gate drivers on SOLIS equipment.
Fast Turnaround
Standard 7–10 working days. Express 3–5 days available for critical breakdowns. Emergency same-day/next-day service for unplanned downtime.
6-Month Warranty
Every repaired unit ships with a 6-month comprehensive warranty on parts and labour. Our repair success rate is over 94% across all brands.
All-India Service
Couriered repairs accepted from any city in India. Doorstep pickup available in Vadodara, Mumbai, Pune, Ahmedabad, Surat, Chennai, and more.
Common SOLIS Equipment Faults We Fix
Based on 30+ years of repair data, these are the most frequent failure modes we see in SOLIS equipment arriving at our workshop.
- ✓DC-Link Capacitor ESR rise and filtering failure — Electrolytic capacitors in SOLIS inverters degrade under sustained 45-50°C ambient temperatures common in Indian rooftops, causing equivalent series resistance (ESR) to increase. This reduces DC bus ripple rejection and triggers voltage ripple warnings on the control board.
- ✓IGBT junction temperature overshoot and premature shutdown — SOLIS inverters use power IGBTs in three-phase bridges; thermal sensors accumulate dust and lose contact during monsoon cycles in India, causing incorrect temperature readings and unnecessary thermal derating or shutdown at part load.
- ✓Anti-islanding relay chatter and grid disconnection faults — In weak Indian distribution networks (common in tier-2 and tier-3 cities), sudden voltage transients and harmonic distortion cause SOLIS anti-islanding relays to flutter, triggering false grid loss detection and nuisance disconnections during normal grid operation.
- ✓Firmware corruption and boot-loop failure — Power interruptions during over-the-air firmware updates, corrupted SD card images, or BMS synchronization packets cause SOLIS inverters to enter unrecoverable boot loops. This is especially common when grid codes are pushed during peak solar generation hours.
- ✓Communication module WiFi/GPRS disconnection and data logging gaps — SOLIS S3 WiFi dongles and 4G communication boxes experience connector oxidation, loose antenna coaxial connections, and SIM card reader contact degradation due to high humidity and salt spray in coastal Indian industrial areas.
- ✓Battery management system (BMS) communication loss in hybrid inverters — SOLIS hybrid inverters communicate with external lithium or lead-acid battery packs via CAN or RS-485 protocols. Corroded connectors, loose shielded cables, and firmware version mismatches between inverter and BMS cause charging stop and system lockouts.
How We Repair Your SOLIS Unit
Receive & Log
Your unit is logged into our tracking system with a unique job number. You receive WhatsApp / email updates at every stage.
Fault Diagnosis
Board-level diagnosis using oscilloscopes, LCR meters, and thermal cameras. Root cause identified before any repair begins.
Component Repair
Faulty ICs, capacitors, MOSFETs, IGBTs, and gate drivers replaced with genuine or equivalent-spec components.
Full-Load Test
Unit tested under rated load with original or equivalent motor. All parameters verified. 6-month warranty issued.
Industries Using SOLIS Equipment
We serve plant maintenance teams across all major industries where SOLIS automation is deployed.
Frequently Asked Questions — SOLIS Repairs
Do you repair SOLIS inverters anywhere in India?+
Yes. Synchronics is an authorized SOLIS repair facility serving all of India. We collect SOLIS inverters from every city — Mumbai, Delhi, Bangalore, Chennai, Kolkata, Hyderabad, Ahmedabad, Pune, and beyond. Pickup is free for customers within 100 km of Vadodara, Gujarat. All repairs are completed in our fully equipped Vadodara facility and shipped back via insured couriers. Average turnaround is 7-10 working days including diagnostic testing.
What is a SOLIS inverter fault code and how do you diagnose it?+
SOLIS inverters display numeric fault codes (e.g., F01, F06, F13) on LCD displays or mobile apps when sensing errors occur. Common codes include F01 (DC overvoltage), F06 (grid overvoltage), and F14 (temperature sensor fault). Synchronics uses SOLIS official diagnostic software and thermal imaging to isolate root causes. We create detailed diagnostic reports and send photos/videos to customers explaining the failure mechanism and repair plan before proceeding.
Can you repair SOLIS inverters damaged by monsoon flooding or power surges?+
Yes. SOLIS inverters are susceptible to moisture ingress during heavy monsoons and surge transients from lightning or grid switching. Synchronics performs full PCB cleaning, component-level resistance testing, and moisture absorption in specialized ovens. We replace all electrolytic capacitors as preventive maintenance, recalibrate voltage thresholds, and provide moisture-sealed conformal coatings on return. For surge-damaged units, we inspect power MOSFETs and rectifier diodes individually and replace as needed.
What is the typical cost of SOLIS inverter repair in India?+
SOLIS repair costs depend on fault type and component replacement scope. Simple repairs like firmware updates or capacitor replacement range from Rs. 2,500-8,000. Complex IGBT failures or control board replacements cost Rs. 15,000-40,000 depending on unit capacity and components required. Diagnostic fees (Rs. 1,500) are waived if repair is authorized. We provide transparent quotations after visual inspection and bench diagnostics. Most residential units (1-10 kW) are repairable within 50% of replacement cost, making repair economical.
Do you offer warranty on SOLIS repair work?+
Synchronics provides 12-month warranty on all component replacements and 6-month warranty on refurbished PCBs. Labor and diagnostics carry 90-day warranty covering the same fault. If a repaired inverter fails due to workmanship issues within warranty period, we repair or replace it at no additional cost. Warranty covers parts and labor but excludes damage from customer misuse, installation errors, or environmental extremes beyond original design ratings. Warranty documentation is provided with every returned unit.
How do I send my SOLIS unit for repair?+
Pack the unit securely and courier it to our Vadodara workshop. Include a note with the fault description and your contact details. We will log it into our system and WhatsApp you a job number within 24 hours of receipt. Doorstep pickup is available in Vadodara, Ahmedabad, Surat, Mumbai, and Pune.
What is the cost of repairing a SOLIS drive or PLC?+
Repair cost depends on the model and the fault. We offer a free diagnosis — once we identify the fault, we provide a fixed quotation before proceeding. Typical repairs cost 20–40% of the new unit price. We will never repair without your approval.
What warranty do you provide on SOLIS repairs?+
All repaired units carry a 6-month comprehensive warranty covering the same fault and related issues. If the fault recurs within the warranty period, we repair it free of cost.
Do you provide a no-fix, no-fee guarantee?+
Yes. If we cannot repair your SOLIS unit after diagnosis, you pay only the diagnosis fee (₹500–₹1,500 depending on the product). The unit is returned to you at no additional charge.
Other Brands We Repair in the Same Categories
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