Dawlance AC Error Codes List with Expert Solutions ( Maqsood and Sons Islamabad )
When your Dawalance air conditioner displays an error code, instead of panicking the first thing you should do is check out its error and note it down. As certified AC repair technicians with over 15 years of experience servicing Dawalance units across Islamabad and Rawalpindi, we’ve made this comprehensive guide to help you understand and resolve these error codes quickly and effectively.
About Our Expertise: As being official sales partner of Dawalance Islamabad, we’ve repaired over 3,000+ Dawalance AC units, making us one of the most experienced Dawalance service providers in the twin cities. Our lead CEO Muhammad Maqsood, is a certified HVAC specialist with manufacturer training from multiple brands. For more information about our projects and about our company you can visit our website or social handles.
Understanding Dawlance AC Error Codes: What They Really Mean
Dawlance inverter and conventional AC units use alphanumeric error codes to indicate specific malfunctions. These codes appear on your indoor unit’s display and serve as diagnostic tools that help identify problems before they cause permanent damage to your AC system.
Why Error Codes Matter:
- Prevent costly component damage
- Enable quick troubleshooting
- Help determine if DIY fixes are possible
- Indicate when professional service is required
Critical Dawlance Protection Error Codes
E1 - Indoor Room Temperature Sensor Error
| Detail | Description |
|---|---|
| What it means | Indoor room temperature sensor is malfunctioning or has loose connections. |
| Symptoms | AC doesn’t respond to set temperature, continuous running, erratic cooling patterns. |
| DIY Solutions | Restart AC after 10 mins, check sensor placement, avoid sunlight/heat sources, clean dust near sensor. |
| When to call professionals | If issue persists, sensor replacement required. |
E2 - Indoor Coil Temperature Sensor Error
| Detail | Description |
|---|---|
| What it means | Evaporator coil temperature sensor is faulty/damaged. |
| Common causes | Wire damage, corrosion, defect, wear (5–7 yrs). |
| Solutions | Power cycle unit, check wire damage, clean coil area. |
| Professional repair | Sensor replacement requires technician expertise. |
E3 - Outdoor Coil Temperature Sensor Error
| Detail | Description |
|---|---|
| What it means | Outdoor coil sensor fault or wiring issue. |
| Troubleshooting | Inspect outdoor unit, check ventilation, ensure 2 ft clearance, clean outdoor coil. |
| Expert tip | Common in extreme summer heat; providing shade reduces occurrences. |
E4 - Indoor Unit Fan Motor Error
| Detail | Description |
|---|---|
| What it means | Indoor fan motor malfunctioning or blocked. |
| Immediate actions | Turn off AC, check for obstructions, listen for unusual noises, inspect fan blades. |
| Safety warning | Never touch fan blades while powered. |
E5 - Communication Error Between Units
| Detail | Description |
|---|---|
| What it means | Indoor/outdoor unit communication breakdown. |
| Common causes (Pakistan) | Power fluctuations, loose wires, interference, PCB malfunction. |
| Solutions | Check connections, use voltage stabilizer, restart with stable power, inspect comm. cable. |
System Protection Codes
P1 - High Voltage Protection
| Detail | Description |
|---|---|
| What it means | AC detected dangerously high voltage → shut down. |
| Pakistan-specific fix | Install voltage stabilizer (common issue). |
| Immediate steps | Check voltage, avoid peak hours, add surge protection, consider dedicated power line. |
P2 - High Discharge Temperature Protection
| Detail | Description |
|---|---|
| What it means | Compressor discharge temp too high (overheating). |
| Common causes | Dirty filters, blocked coil, low refrigerant, overworked compressor. |
| Solutions | Replace filters, clean outdoor coil, check refrigerant, ensure airflow. |
EC - Compressor Overload Protection
| Detail | Description |
|---|---|
| What it means | Compressor overloaded → protection triggered. |
| Critical actions | Turn off AC, allow 30 min cooldown, check airflow, verify refrigerant levels. |
| When to worry | Frequent recurrence → possible compressor failure. |
Communication and Display Errors
E6 - Outdoor Fan Motor Error
| Detail | Description |
|---|---|
| What it means | Outdoor fan motor failed or blocked. |
| Diagnosis | Inspect fan, check free blade movement (when off), wiring check, listen for humming motor. |
E8 - Communication Fault Between Display & PCB
| Detail | Description |
|---|---|
| What it means | Display board not communicating with main PCB. |
| Troubleshooting | Check connections, restart system, check ribbon cables, verify display power. |
Advanced Error Codes
F0 - Outdoor Unit Protection Error
| Detail | Description |
|---|---|
| What it means | General outdoor unit protection triggered. |
| Checks | Power supply, overheating, refrigerant lines, electrical faults. |
Others F Series Errors
| F1 – Outdoor Module Protection | Outdoor control module detected abnormal condition. |
| F2 – Power Factor Correction Error | Power supply quality issue affecting AC’s power management. |
| F3 – Compressor Start Failure | Compressor failed to start within expected time. |
Dawlance AC Error Codes Frequency Analysis
Based on our service data at Maqsood and Sons Islamabad:
Error Code | Frequency | Typical Cause | Repair Cost Range |
E1 | 35% | Sensor failure | PKR 2,500 – 4,000 |
E3 | 20% | Outdoor sensor | PKR 3,000 – 5,000 |
E5 | 15% | Communication | PKR 4,000 – 8,000 |
P2 | 12% | Overheating | PKR 1,500 – 6,000 |
EC | 8% | Compressor issues | PKR 8,000 – 25,000 |
Others | 10% | Various | PKR 2,000 – 10,000 |
Emergency Troubleshooting Tips for Common Scenarios
Scenario 1: AC Shows E1 and Won’t Cool
Immediate steps:
- Check if curtains or heat sources are near the indoor sensor
- Clean the area around the temperature sensor
- Reset the AC and monitor for 30 minutes
- If error persists, schedule sensor replacement
Scenario 2: Multiple Error Codes Appearing
This indicates serious issues:
- Turn off the AC immediately
- Check the main power supply
- Inspect for water damage or electrical issues
- Contact professional service immediately
Scenario 3: Error Code Appears During High Usage
Peak load problems:
- Reduce the temperature setting by 2-3 degrees
- Ensure all windows and doors are closed
- Check if multiple ACs are running on the same circuit
- Monitor power consumption
Why Choose Maqsood and Sons for Dawlance AC Service
- 15+ years of specialized AC repair experience
- Certified technicians trained on Dawlance systems
- 3,000+ successful Dawlance AC repairs completed
- Same-day service available in Islamabad and Rawalpindi
- Genuine parts guarantee with warranty
Expert Tips from our 15 Years of Experience
Pro Tips for Dawlance AC Owners
Daily Operation:
- Never set temperature below 22°C for energy efficiency
- Use auto mode for optimal performance
- Keep indoor units dust-free for sensor accuracy
- Maintain logbook of any unusual behavior
Weekly Maintenance:
- Visual inspection of both units
- Check remote control functionality
- Listen for unusual noises
- Monitor electricity consumption patterns
Monthly Care:
- Thorough filter cleaning
- Outdoor unit clearance check
- Drainage system inspection
- Performance evaluation
Red Flags That Require Immediate Attention
Call us immediately if you notice:
- Burning smell from any unit
- Water leakage inside the house
- Electrical sparks or crackling sounds
- Ice formation on refrigerant lines
- Dramatically increased electricity bills