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How to Fix RO Water Purifier at Home – Complete Guide

Sept. 10, 2025 117 Views
How to Fix RO Water Purifier at Home | Common Problems & Solutions

Introduction

A RO (Reverse Osmosis) water purifier is one of the most reliable solutions for getting safe drinking water at home. However, like every appliance, it requires timely maintenance and sometimes repair. Many homeowners wonder, “How to fix RO water purifier at home?”

In this guide, we will explain:

  • Common problems in RO purifiers

  • Step-by-step fixes at home

  • When to call RO repair service

  • RO water purifier maintenance cost

  • Best practices to extend filter life

We will also answer important People Also Ask queries such as:

  • What is the common problem in RO?

  • Can I drink RO water daily?

  • How does an RO water purifier work?

  • Why is my RO suddenly not working?

For easy access to RO service near you, you can also check:
👉 Plumint – Book RO Service Online
👉 RO Service & Repair


How Does an RO Water Purifier Work?

Before fixing your purifier, it’s important to understand how it functions.

An RO water purifier uses a semi-permeable membrane to remove impurities such as dissolved salts, heavy metals, and bacteria.

Working Process:

  1. Sediment Filter – Removes dirt, dust, and sand.

  2. Pre-Carbon Filter – Absorbs chlorine and harmful chemicals.

  3. RO Membrane – Removes dissolved salts, heavy metals, pesticides.

  4. Post-Carbon Filter – Improves taste and odor.

  5. UV or UF (Optional) – Kills viruses and bacteria.

  6. Storage Tank – Stores purified water.


Common Problems in RO Water Purifiers

Here are the most frequent issues homeowners face:

Problem Possible Cause DIY Solution
No water flow Clogged filters, low pressure Clean or replace filters
Water tastes bad Expired carbon filter Change post-carbon filter
RO not working suddenly Electrical issue, pump failure Check power & pump
RO water tank not filling Faulty float valve Replace float valve
Water leakage Loose pipe connections Tighten pipes & joints
Low water output Choked RO membrane Replace membrane

Step-by-Step: How to Fix RO Water Purifier at Home

1. Check Water Supply and Pressure

  • Ensure tap connection is secure.

  • If pressure is low, use a booster pump.

👉 Related keyword: How to fix water purifier to tap


2. Clean or Replace Pre-Filters

  • Pre-filters should be cleaned every 3 months.

  • If water still tastes bad, replace them.


3. Check RO Membrane

  • If water output is very low, the membrane is clogged.

  • Replace the membrane every 1.5–2 years.

👉 Related keyword: RO filter repair near me


4. Fix Water Leakage

  • Use Teflon tape to seal joints.

  • Tighten loose pipe fittings.


5. Reset Electrical & Pump Issues

  • Check power connection.

  • If motor isn’t running, consult RO repair service.

👉 Related keyword: RO repair service


6. Clean Storage Tank

  • Drain the tank every 15 days.

  • Clean with mild disinfectant to avoid bacteria buildup.


7. Replace Carbon Filter

  • If water tastes bad, carbon filter may be expired.

  • Replace every 6–12 months.


8. Annual Maintenance Kit (AMC)

  • AMC includes all filters + servicing.

  • Saves cost compared to individual repairs.

👉 Related keyword: RO water purifier maintenance cost


Cost of RO Water Purifier Maintenance in India

Service Average Cost (INR)
Pre-Filter Replacement ₹300 – ₹500
Carbon Filter Replacement ₹600 – ₹900
RO Membrane Replacement ₹1,500 – ₹2,500
Pump Repair/Replacement ₹2,000 – ₹3,500
AMC (Annual Maintenance Contract) ₹3,000 – ₹6,000

👉 Related keyword: RO filter price, Water Purifier service near me


Can I Drink RO Water Daily?

Yes, RO water is safe for daily consumption. It removes harmful contaminants, but excessive purification may reduce natural minerals. To balance:

  • Use TDS controller to retain essential minerals.

  • Ensure regular servicing for safe water.


Why Is My RO Suddenly Not Working?

Some quick checks:

  1. Power Supply Issue – Check switch and adapter.

  2. Clogged Filters – Replace filters.

  3. Faulty Pump – May need professional repair.

  4. Storage Tank Full – Empty and reset.


DIY vs Professional RO Repair Service

  • DIY is suitable for: Filter cleaning, leak fixing, and pipe adjustments.

  • Professional service is needed for: Pump replacement, electrical faults, and major repairs.

👉 Book online:
RO Service Near Me – Plumint


Pro Tips for RO Water Purifier Maintenance

  1. Clean filters every 3 months.

  2. Replace RO membrane every 2 years.

  3. Never ignore unusual sounds from purifier.

  4. Use only genuine spare parts.

  5. Drain storage tank weekly.


Recommended YouTube Video

Here’s a helpful video on RO Water Purifier Repair at Home:

📺 Watch on YouTube


FAQs – People Also Ask

Q1: What is the common problem in RO?

Ans: Low water output, bad taste, leakage, and clogged filters are the most common issues.

Q2: Can I drink RO water daily?

Ans: Yes, it is safe but ensure TDS is balanced.

Q3: How does a RO water purifier work?

Ans: It uses a multi-stage filtration process with sediment filter, carbon filter, RO membrane, and storage tank.

Q4: Why is my RO suddenly not working?

Ans: Check power, filters, pump, and tank.


Conclusion

Fixing your RO water purifier at home is possible if the issue is small, like clogged filters or loose pipes. For major problems such as pump failure or electrical issues, professional RO repair service is recommended.

👉 Book RO Service Online:

By following this guide, you can ensure pure, safe, and healthy water for your family at all times.

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