Dawlance Inverter AC Error Codes 2026
Table of Contents
- Overview of Dawlance Inverter AC Error Codes
- Common Dawlance Inverter AC Error Codes Explained
- Dawlance Inverter AC Error Codes Table (Causes & Solutions)
- Understanding Protection & Safety Codes
- Sensor & Communication Error Codes
- Fan, Motor & Compressor Errors
- How to Reset Dawlance Inverter AC Error Codes
- Preventing Error Codes Through Proper Maintenance
- When to Call a Professional Technician
- Frequently Asked Questions (FAQs)
- Get Expert Help from Bijli Bazar
Overview of Dawlance Inverter AC Error Codes
Error codes on Dawlance inverter ACs are built-in diagnostic messages. These codes help identify:
- Voltage problems
- Sensor failures
- Fan or motor issues
- Compressor protection
- Communication faults
Some codes indicate normal operations, while others signal a fault that needs attention.
Introduction
If your Dawlance inverter AC suddenly stops cooling or shows a strange code on the display, don’t panic. These error codes are built-in signals that help identify problems early and prevent serious damage.
This 2026 updated guide explains Dawlance inverter AC error codes, their meanings, possible causes, and simple troubleshooting steps in easy English—perfect for home users and technicians alike.
What Are Dawlance Inverter AC Error Codes?
Dawlance inverter AC error codes are automatic system alerts displayed on the indoor unit when the AC detects a fault. These codes help diagnose issues related to:
- Sensors
- Compressor
- Fan motors
- Voltage fluctuations
- Communication between units
Understanding these codes can save repair costs and help you decide when professional service is needed.
Common Dawlance Inverter AC Error Codes & Meanings
1. E1 – Indoor Room Temperature Sensor Error
Meaning: Fault in indoor temperature sensor
Possible Causes:
- Loose wiring
- Sensor damage
Solution: Restart the AC. If the error continues, professional sensor replacement is required.
2. E2 – Indoor Coil Temperature Sensor Error
Meaning: Problem with indoor coil sensor
Possible Causes:
- Dust buildup
- Faulty sensor
Solution: Clean the indoor unit. Call service if error persists.
3. E3 – Outdoor Coil Temperature Sensor Error
Meaning: Outdoor unit sensor malfunction
Possible Causes:
- Weather exposure
- Wiring issue
Solution: Turn off the AC and contact authorized service.
4. E4 – Indoor Fan Motor Error
Meaning: Indoor fan is not working properly
Possible Causes:
- Fan blockage
- Motor failure
Solution: Check for dust or obstruction. If unresolved, motor servicing is needed.
5. E5 – Outdoor Fan Motor Error
Meaning: Outdoor fan not rotating correctly
Possible Causes:
- Fan motor damage
- Voltage issues
Solution: Switch off AC and arrange technician inspection.
6. F0 – Refrigerant System Protection
Meaning: Gas pressure imbalance
Possible Causes:
- Gas leakage
- Overloading
Solution: Professional gas check and refill required.
7. F1 – Indoor Sensor Communication Error
Meaning: Sensor not communicating with main board
Solution: Reset AC. Call service if error reappears.
8. H3 – Compressor Overload Protection
Meaning: Compressor overheating
Possible Causes:
- Dirty condenser
- High outdoor temperature
Solution: Clean outdoor unit and ensure proper ventilation.
9. H5 – IPM Module Protection
Meaning: Inverter power module protection
Possible Causes:
- Voltage fluctuation
- Electrical surge
Solution: Use voltage stabilizer and contact service.
10. P4 – Inverter Compressor Drive Error
Meaning: Compressor drive malfunction
Solution:
Technical service required immediately.
Dawlance Inverter AC Error Codes Table (Causes & Solutions)
| Error Code | Description | Possible Cause | Recommended Solution |
|---|---|---|---|
| DF | Defrost Mode (Normal Function) | Automatic ice removal from coil | Wait; AC will resume automatically |
| E1 | Indoor Temperature Sensor Error | Loose or faulty room sensor | Check wiring or replace sensor |
| E3 | Outdoor Coil Sensor Error | Sensor or wiring fault | Inspect outdoor sensor |
| E4 | Indoor Fan Motor Error | Fan blockage or motor issue | Clean fan; call technician if needed |
| F0 | Outdoor Fan Motor Error | Dust, debris, or fan failure | Remove obstruction; service if required |
| F1 | Outdoor Module Protection | Overheating or airflow restriction | Improve ventilation and restart |
| F2 | PFC (Power Factor Correction) Error | Power supply instability | Check wiring; use stabilizer |
| P1 | High Voltage Protection | Voltage fluctuation | Use voltage stabilizer |
| P2 | High Discharge Temperature | Dirty filters or low refrigerant | Clean filters; refill gas if needed |
| EC | Compressor Overload Protection | Compressor overheating | Turn off AC and allow cooling |
| E8 | PCB Communication Error | Display board or wiring issue | Secure connections or replace PCB |
| F3 | Compressor Start Failure | Relay or compressor fault | Professional inspection required |
| E9 | Low Pressure Protection | Gas leakage or blockage | Call certified technician |
Why Dawlance Inverter AC Shows Error Codes?
Your AC may display error codes due to:
- Low or high voltage supply
- Poor maintenance
- Dirty filters or coils
- Extreme weather conditions
- Aging components
Regular servicing helps prevent most error codes.
How to Reset Dawlance Inverter AC Error Codes
Follow these simple steps:
- Turn off the AC using the remote
- Switch off the main power supply
- Wait for 5–10 minutes
- Turn power back on
- Restart the AC
If the error code returns, professional repair is recommended.
Tips to Avoid Dawlance AC Errors in 2026
- Clean filters every 2–3 weeks
- Schedule professional servicing twice a year
- Use a voltage stabilizer in low-voltage areas
- Keep outdoor unit dust-free
- Avoid overloading by extreme temperature settings
When to Call Dawlance Authorized Service?
You should contact service if:
- Error code keeps repeating
- AC does not cool after reset
- Compressor or fan errors appear
- Burning smell or unusual noise is noticed
- Ignoring error codes can cause permanent damage.
FAQs – Dawlance Inverter AC Error Codes
Q1: What is the most common Dawlance AC error code?
E1 and E2 are the most common, usually related to temperature sensor issues.
Q2: Can I fix Dawlance inverter AC error codes at home?
Minor errors like dust or temporary voltage issues can be resolved at home, but technical faults require professional service.
Q3: Do Dawlance inverter ACs stop working during errors?
Yes, many error codes activate protection mode to prevent damage.
Q4: Does voltage fluctuation cause error codes?
Yes, unstable power supply is a major cause of inverter AC errors.
Q5: How often should Dawlance inverter AC be serviced?
At least twice a year for smooth operation and error prevention.
Conclusion
Understanding Dawlance inverter AC error codes helps you act quickly, save money, and extend the life of your air conditioner. These smart warning systems protect your AC from serious damage and improve long-term performance.
For best results in 2026, regular maintenance, stable voltage, and timely servicing are key to avoiding errors and enjoying uninterrupted cooling.