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Solar PCU LCD Display Messages Explained — Backup Mode, Mains Mode, Faults & Rotary Switch
The LCD on your Solar PCU is telling you something specific every time it shows a message. This guide decodes every display message — backup mode, mains mode, overload, battery low cut, high/low cut, solar mode — plus the three rotary switch positions and what they do.
How to Connect Your Solar PCU to the App: Bluetooth and Wi-Fi Step-by-Step Guide
The BLE and Wi-Fi dongle turns your Solar PCU into a smart system you can monitor and control from your phone. This step-by-step guide covers both Bluetooth and Wi-Fi connection methods — dongle setup, scanning, pairing, OTP login, and adding your device for remote monitoring.
How Solar Hybrid PCU MPPT Works: 4 Real Scenarios Every User Must Know
Most solar PCU users do not realise their system has four distinct operating modes. Kunwer Sachdev — who designed Solar PCUs at Su-Kam — explains each scenario: what triggers it, how the PCU manages solar, grid, and battery together, and why Scenario 4 is the one that actually reduces your electricity bill.
Su-vastika Solar PCU Mobile App: Every Setting Explained by its Creator
Nobody explains their own app, setting by setting. The Su-vastika Solar Hybrid PCU mobile app — on Google Play and the App Store — explained screen by screen by its creator…
Inverter or UPS Not Working? Troubleshooting Guide: 6 Common Problems & Fixes
Inverter not working? Diagnose the 6 most common inverter/UPS problems from the warning lights — no output, battery-low shutdown, overload, short circuit, mains not sensing and MCB tripping — with step-by-step fixes from Su-vastika's own service manual.
Inverter/UPS Charging Explained: Charger Capacity, Charging Time, ATC & Battery Life
The charging section is the most important part of an inverter/UPS — it decides charging time, battery life and even your electricity bill. Here's how charger capacity, battery type, six-stage charging, ATC and efficiency all work together.
Why Is My Inverter Not Charging the Battery? Causes & Fixes
Inverter not charging the battery? Most causes are simple — a tripped fuse, loose terminal, low mains voltage or a tired battery. Here's how to diagnose and fix every common reason an inverter/UPS stops charging.
Retrofit Lithium Battery Guide: Replace Lead-Acid Without Changing Your Inverter
How to retrofit a lithium battery into your existing inverter without replacing it — compatibility guide, step-by-step process, backup time comparison, and 10-year cost analysis.
Online UPS Systems for Servers & Critical Infrastructure: Complete Guide India
Complete guide to online UPS systems for servers and critical infrastructure in India — double conversion explained, online vs line-interactive vs offline, sizing guide, and three-phase UPS.
Battery Energy Storage Systems (BESS) for Commercial & Industrial India: Complete Guide
Complete guide to Battery Energy Storage Systems (BESS) for commercial and industrial businesses in India — how they work, BESS vs diesel generator, ROI analysis, and sizing guide.
Lift Inverter / ERD: Complete Guide for Building Owners in India
Complete guide to lift inverters and Emergency Rescue Devices (ERDs) for building owners in India — compliance requirements, sizing guide, ERD vs generator, and lithium-powered ERDs.
Home UPS & Inverter Buying Guide India 2026: Everything You Need to Know
Complete home UPS and inverter buying guide for India 2026 — VA rating explained, pure sine wave vs modified, ATC technology, battery sizing calculator, and model comparison.