Common Air Conditioner (AC) Error Codes and Their Solutions — by Indazee.com, Best AC Repair Service in Navi Mumbai
Introduction
Air conditioners are no longer a luxury—they’re a necessity in Navi Mumbai’s humid weather. From split ACs to window and inverter units, a well-maintained air conditioner ensures cool comfort year-round. But when your AC displays strange error codes or suddenly stops cooling, it can be stressful.
That’s where Indazee.com, Navi Mumbai’s most trusted home appliance repair company, comes in. With experienced technicians across Vashi, Nerul, Kharghar, Seawoods, Panvel, Airoli, Ghansoli, Kopar Khairane, and nearby areas, Indazee.com offers quick, reliable, and affordable AC repair and service for all leading brands.
📞 Call Now: 7770054600
📧 support@indazee.com
🌐 www.indazee.com
1. What Are AC Error Codes and Why Do They Appear?
Modern ACs are equipped with digital control boards that detect malfunctions and display error codes. These codes help identify which part is not functioning correctly — from sensors and refrigerant systems to communication failures.
Understanding these codes can save time and prevent further damage before you call for professional help.
Common reasons for AC errors include:
- Power fluctuations
- Clogged filters or coils
- Faulty sensors or PCB issues
- Communication failure between indoor and outdoor units
- Refrigerant leaks or compressor overload
2. Brand-Wise Common AC Error Codes and Solutions
LG AC Error Codes
| Code | Meaning | Quick Fix |
|---|---|---|
| CH01 | Indoor temperature sensor error | Check sensor connection; may need replacement |
| CH02 | Indoor pipe sensor fault | Clean sensor; call Indazee if persists |
| CH05 | Communication error (indoor-outdoor) | Inspect wiring; PCB issue possible |
| CH10 | Indoor fan motor error | Replace fan motor or capacitor |
| CH38 | Low refrigerant detected | Call Indazee for gas refilling & leak check |
Samsung AC Error Codes
| Code | Meaning | Solution |
|---|---|---|
| E101 | Communication error | Reset power; inspect control wiring |
| E201 | Indoor fan motor malfunction | Check fan blade and motor coil |
| E202 | Outdoor unit sensor error | Replace sensor |
| E203 | Compressor overload | Professional diagnosis required |
| E416 | EEPROM/PCB fault | Replace main PCB |
Tip: Samsung inverter ACs often show “E101” after power fluctuations — always use a stabilizer.
Daikin AC Error Codes
| Code | Meaning | Solution |
|---|---|---|
| U0 | Low refrigerant | Check for leakage, refill gas |
| U4 | Communication error | Indoor-outdoor cable issue |
| A1 | Indoor PCB malfunction | Replace PCB |
| A6 | Fan motor fault | Clean motor or replace |
| E3 | Discharge pipe sensor error | Replace thermistor |
| J3 | Outdoor fan motor fault | Call Indazee expert |
Voltas AC Error Codes
| Code | Meaning | Solution |
|---|---|---|
| E1 | Room temperature sensor error | Replace sensor |
| E2 | Coil sensor error | Service coil sensor |
| E3 | Indoor fan speed error | Replace fan motor |
| E4 | Outdoor unit fault | Check power & communication wiring |
| E5 | Overload protection | Clean coils, ensure proper ventilation |
Hitachi AC Error Codes
| Code | Meaning | Solution |
|---|---|---|
| E01 | Indoor fan fault | Clean or replace motor |
| E02 | Room sensor error | Replace thermistor |
| E03 | Outdoor unit issue | Check compressor and PCB |
| E09 | Gas leak detected | Indazee can refill and test |
| E12 | High pressure | Clean condenser coils |
Blue Star AC Error Codes
| Code | Meaning | Solution |
|---|---|---|
| E1 | Indoor temperature sensor error | Replace sensor |
| E2 | Coil sensor fault | Clean sensor |
| E3 | Communication error | Reset PCB |
| E4 | Outdoor fault | Professional inspection needed |
| E5 | Compressor protection | Wait for cooling; check condenser fan |
Whirlpool AC Error Codes
| Code | Meaning | Solution |
|---|---|---|
| F1 | Indoor coil sensor error | Replace sensor |
| F2 | Indoor ambient sensor error | Replace thermistor |
| F3 | Outdoor unit failure | Check wiring |
| F4 | Communication error | PCB issue |
| F5 | Fan motor error | Service required |
Godrej AC Error Codes
| Code | Meaning | Solution |
|---|---|---|
| E0 | Communication error | Restart system |
| E2 | Indoor sensor fault | Replace sensor |
| E3 | Outdoor temperature sensor error | Replace thermistor |
| E5 | Overload protection | Clean air filters |
Panasonic AC Error Codes
| Code | Meaning | Solution |
|---|---|---|
| H11 | Communication failure | Check wiring |
| H12 | Indoor fan motor | Replace fan motor |
| H14 | Room temp sensor error | Replace thermistor |
| H19 | Outdoor compressor error | Call Indazee |
| F97 | Overheat | Let system cool; service condenser |
Carrier AC Error Codes
| Code | Meaning | Solution |
|---|---|---|
| E1 | Communication error | Reset power |
| E2 | Indoor sensor | Replace sensor |
| E3 | Outdoor fan motor | Check motor |
| E4 | Refrigerant issue | Gas check required |
| E5 | Overload | Professional repair needed |
3. Why Choose Indazee.com for AC Repair in Navi Mumbai
- 🧰 Expert Technicians: Certified engineers for all leading brands.
- 🚗 Doorstep Service: Available in Vashi, Nerul, Seawoods, Kharghar, Panvel, Airoli, Kamothe, Ghansoli, Kopar Khairane.
- 🔧 All Types Covered: Split AC, Window AC, Inverter AC, and Cassette Units.
- 💨 Genuine Parts: OEM-approved components with warranty.
- 💸 Transparent Pricing: No hidden charges.
- ⚡ Quick Response: Same-day service guaranteed.
- 🧾 Service Warranty: All repairs backed by post-service guarantee.
📞 Call Now: 7770054600
📧 support@indazee.com
🌐 www.indazee.com
4. Preventive Maintenance Tips for AC Owners
- Clean air filters every 15 days.
- Get professional servicing every 6 months.
- Keep outdoor unit free from dust.
- Use voltage stabilizer to avoid PCB damage.
- Don’t set thermostat too low in humid weather.
- Ensure proper air circulation around indoor unit.
- Never ignore minor cooling issues—they often grow into major faults.
- Avoid DIY gas refilling—it requires expert handling.
- Maintain drainage lines to prevent water leakage.
- Schedule regular preventive checkups with Indazee.com.
5. Areas Served by Indazee.com
- Vashi
- Nerul
- Seawoods
- Kharghar
- Kamothe
- Kalamboli
- Panvel
- Airoli
- Ghansoli
- Kopar Khairane
Indazee covers the entire Navi Mumbai region for all AC repair, servicing, gas refilling, and installation needs.
6. 20 Frequently Asked Questions (FAQs)
Q1. Why is my AC not cooling properly?
Clogged filters or low refrigerant levels could be the cause. Indazee experts can diagnose and fix it.
Q2. What does CH05 mean on LG AC?
It indicates a communication error between indoor and outdoor units.
Q3. How often should I service my AC?
At least once every 6 months for optimal cooling and efficiency.
Q4. Can I clean my AC coils myself?
You can clean outer dust, but professional deep cleaning ensures safety.
Q5. What is the average life of an AC compressor?
Usually 8–10 years, depending on maintenance.
Q6. Why does my AC make rattling noises?
Loose screws or fan imbalance—get it checked before major damage.
Q7. My AC is dripping water—why?
Clogged drain pipe or dirty filters; a quick service can fix this.
Q8. What is the cost of AC servicing in Navi Mumbai?
Indazee offers affordable plans with transparent pricing.
Q9. What causes “E1” error in Voltas AC?
It means the room temperature sensor is faulty.
Q10. How do I reset my AC?
Turn off the power, unplug for 5 minutes, then restart.
Q11. Why does my AC trip the MCB?
Short circuit or compressor overload—needs immediate inspection.
Q12. Can low voltage damage my AC?
Yes, always use a stabilizer.
Q13. What is gas top-up cost for AC?
Depends on gas type (R32, R410A, R22); Indazee provides genuine refilling.
Q14. My AC remote is not working—what should I do?
Replace batteries; if still not working, check remote sensor.
Q15. How can I improve AC efficiency?
Regular cleaning and maintaining correct thermostat temperature.
Q16. My AC smells bad when turned on. Why?
Mold in filters or drain; get chemical cleaning done.
Q17. What does “E5” mean in Blue Star AC?
It’s compressor protection mode—ensure proper ventilation.
Q18. Do you provide same-day AC repair in Navi Mumbai?
Yes, Indazee offers same-day doorstep AC service.
Q19. How do I book Indazee AC service online?
Visit www.indazee.com or call 7770054600.
Q20. Do Indazee repairs come with warranty?
Yes, all parts and services come with a satisfaction guarantee.
7. Conclusion
When your AC shows an error code or stops cooling during a hot Navi Mumbai day, don’t worry — Indazee.com has your back. From simple servicing to complex compressor or PCB repairs, our technicians deliver reliable solutions for LG, Daikin, Voltas, Samsung, Whirlpool, Blue Star, and Hitachi ACs.
With same-day doorstep service, genuine parts, and affordable pricing, Indazee ensures your AC performs at its best throughout the year.
📞 Contact Indazee.com — Best AC Repair in Navi Mumbai
- Phone: 7770054600
- Email: support@indazee.com
- Website: www.indazee.com
- Service Areas: Vashi | Nerul | Kharghar | Seawoods | Panvel | Airoli | Ghansoli | Kamothe | Kopar Khairane




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