Gree Error Code List 2026
Complete AC Troubleshooting Guide Pakistan
If your Gree AC suddenly stops cooling and shows an error code like E6, F1, or H6, it can be frustrating—especially in peak summer. These codes are not random. They are built-in diagnostic signals that help you quickly identify what’s wrong with your air conditioner.
This Gree AC error code list 2026 is a complete guide for Pakistan, covering E, F, H, L, P, and U series codes, their meanings, causes, and practical solutions.
Table of Contents
- Understanding Gree AC Error Codes
- E Series Error Codes (Indoor & Protection Issues)
- F Series Error Codes (Sensors & Refrigerant Issues)
- H Series Error Codes (System Protection & Heating)
- L Series Error Codes (Fan & Compressor Issues)
- P Series Error Codes (Electrical & Module Errors)
- U Series Error Codes (Advanced System Protection)
- Other Gree AC Error Codes
- Common Errors & Quick Fixes
- Maintenance Tips to Avoid Errors
- FAQs
Understanding Gree AC Error Codes
Gree ACs use a simple alphanumeric system:
- E Series: Indoor unit and general protection errors
- F Series: Sensors and refrigerant-related issues
- H Series: Heating and system protection
- L Series: Fan and compressor faults
- P Series: Electrical and PCB issues
- U Series: Advanced protection and voltage errors
These codes appear on your AC display to help you troubleshoot without guesswork.
Gree AC E Series Error Codes
| Code | Meaning | Cause | Solution |
|---|---|---|---|
| E1 | High-pressure protection | Dirty coils, airflow blockage | Clean condenser, improve airflow |
| E2 | Anti-freeze protection | Low refrigerant, airflow issue | Clean filters, check gas level |
| E3 | Low refrigerant | Leakage | Call technician, refill gas |
| E4 | High discharge temp | Overheating | Clean coils, check airflow |
| E5 | Overcurrent protection | Electrical fault | Check wiring, voltage |
| E6 | Communication error | Indoor/outdoor wiring issue | Inspect connections, reset AC |
| E8 | Indoor fan/PCB issue | Motor or board fault | Repair or replace parts |
| E9 | Drainage issue | Blocked pipe | Clean drain pipe |
| EE | EEPROM error | Memory chip fault | Replace PCB |
| EU | IPM overheating | Overload | Check module, reduce load |
Gree AC F Series Error Codes
| Code | Meaning | Solution |
|---|---|---|
| F0 | Low refrigerant | Fix leak, recharge gas |
| F1 | Indoor temp sensor fault | Replace sensor |
| F2 | Indoor coil sensor fault | Repair wiring or sensor |
| F3 | Outdoor sensor fault | Replace sensor |
| F4 | Outdoor pipe sensor fault | Replace sensor |
| F5 | Exhaust sensor fault | Replace sensor |
| F6 | Overload/frequency drop | Reduce load, clean unit |
| F8 | Overcurrent issue | Check electrical system |
| F9 | High exhaust temp | Improve ventilation |
| FA | Tube overheating | Inspect components |
| FC | Door/switch fault | Fix obstruction |
| FE | Compressor overload sensor | Replace sensor |
| FH | Anti-freeze limit | Check airflow |
Gree AC H Series Error Codes
| Code | Meaning | Solution |
|---|---|---|
| H0 | High temp protection | Improve airflow |
| H1 | Defrost mode | Normal (no action needed) |
| H2 | Dust cleaning mode | Normal |
| H3 | Compressor overload | Check compressor |
| H4 | High pressure issue | Clean heat exchanger |
| H5 | Voltage issue | Use stabilizer |
| H6 | Indoor fan fault | Repair/replace motor |
| H7 | Compressor issue | Call technician |
| HC | PFC protection | Check module |
| HE | Compressor demagnetization | Replace compressor |
Gree AC L Series Error Codes
| Code | Meaning | Solution |
|---|---|---|
| L3 | Outdoor fan motor fault | Replace motor |
| LC | Startup failure | Check power supply |
| LD | Phase loss | Inspect wiring |
| LE | Compressor rotor stuck | Repair compressor |
Gree AC P Series Error Codes
| Code | Meaning | Solution |
|---|---|---|
| P0 | Drive module error | Replace module |
| P5 | Compressor overcurrent | Replace compressor |
| P6 | PCB communication error | Repair boards |
| P7 | IPM sensor fault | Replace sensor |
| P8 | IPM overheating | Reduce load |
| PA | Input current protection | Check wiring |
| PC | Current sensor fault | Replace sensor |
| PH | High voltage | Stabilize power |
| PL | Low voltage | Check supply |
| PU | Capacitor fault | Replace capacitor |
Gree AC U Series Error Codes
| Code | Meaning | Solution |
|---|---|---|
| U1 | Current detection fault | Repair circuit |
| U2 | Phase loss | Check wiring |
| U3 | Voltage drop | Stabilize supply |
| U4 | Reverse running | Fix wiring |
| U5 | AC detection fault | Repair circuit |
| U7 | 4-way valve issue | Replace valve |
| U8 | Sensor disconnected | Reconnect sensor |
| U9 | Zero voltage error | Check power supply |
Other Gree AC Error Codes
| Code | Meaning | Solution |
|---|---|---|
| oE | PFC overheating | Replace module |
| b5 | Inlet sensor fault | Replace sensor |
| b7 | Outlet sensor fault | Replace sensor |
| C5 | Jumper issue | Replace connector |
Common Gree AC Errors & Quick Fixes
E6 – Communication Error
- Check wiring between indoor & outdoor units
- Restart the AC
- Replace PCB if needed
H6 – Indoor Fan Motor Issue
- Clean fan blades
- Check wiring
- Replace motor if faulty
E4 – Overheating Issue
- Clean condenser coils
- Ensure proper ventilation
Maintenance Tips to Avoid AC Errors
- Clean air filters every 2 weeks
- Keep outdoor unit dust-free
- Use voltage stabilizer
- Schedule yearly servicing
- Check refrigerant levels regularly
Don’t Let AC Errors Spoil Your Comfort
If your AC frequently shows errors or cooling is weak, it may be time to upgrade. At Bijli Bazar, you can find the latest Gree inverter AC models with:
- Energy-efficient cooling
- Advanced inverter technology
- Long-lasting performance
Easy Installment Plans Available
Buying a new AC is easier than ever:
- 0% down payment options
- Monthly installment plans
- Expert guidance for choosing the right model
FAQs
1. How do I reset my Gree AC?
Turn off the AC, unplug it, wait 5–10 minutes, then restart.
2. What does E6 mean on Gree AC?
It indicates a communication issue between indoor and outdoor units.
3. When should I call a technician?
If the error persists after cleaning, resetting, or basic checks.
Conclusion
Understanding Gree AC error codes helps you quickly diagnose problems and avoid costly repairs. Whether it’s a simple airflow issue or a complex compressor fault, early detection keeps your AC running efficiently.
Regular maintenance and timely troubleshooting ensure long-lasting cooling performance—especially in Pakistan’s extreme weather.