Sansui Inverter Air Conditioner Error Codes and Solutions
| Error Code | Description | Solution |
|---|---|---|
| E1 | Indoor unit temperature sensor error | Check the temperature sensor for faults and replace if necessary. |
| E2 | Indoor unit coil sensor error | Inspect the coil sensor wiring and replace the sensor if needed. |
| E3 | Outdoor unit temperature sensor error | Check outdoor temperature sensor and its wiring for issues. |
| E4 | Outdoor unit fan motor error | Verify the fan motor operation, and check for any obstructions or wiring issues. |
| E5 | Communication error between indoor and outdoor units | Ensure proper communication wiring and check the PCB boards for faults. |
| E6 | Refrigerant leakage or low pressure | Check for refrigerant leaks, refill if necessary, and inspect pressure sensors. |
| E7 | Compressor overload or overheat | Turn off the unit, inspect the compressor, and let it cool down before restarting. |
| E8 | Indoor fan motor error | Check the indoor fan motor and its wiring for issues or faults. |
Error Codes and Protections
| Error/Protection | Indoor Display | Outdoor Light Blinking |
|---|---|---|
| Outdoor EPROM Error | E00 | 1 time |
| Communication Error | H11 | 2 times |
| Compressor Locked | F93 | 4 times |
| Compressor Out Step | F02 | 5 times |
| IPM Fault | F03 | 6 times |
| Compressor Overheat | F04 | 7 times |
| Compressor Discharge Sensor Fault | H15 | 8 times |
| Compressor Suction Temperature Sensor Fault | F06 | 9 times |
| Outdoor Condenser Sensor Error | H28 | 10 times |
| Outdoor Ambient Sensor Error | H27 | 11 times |
| Outdoor Fan Error | F09 | 12 times |
| Outdoor Communication Error | E08 | Not blinking |
| Outdoor AC Current Protection | F98 | 13 times |
| Compressor Phase Protection | F99 | 14 times |
| Low and High AC Voltage Protection | P02 | 15 times |
| Low and High DC Voltage Protection | P03 | 16 times |
| IPM Overheat Protection | F96 | 17 times |
| Compressor Discharge Overheat Protection | F97 | 18 times |
| Indoor Antifreeze Protection | H99 | 19 times |
| Outdoor Overheat Protection | P07 | 20 times |
| Indoor EPROM Error | EE | 25 times |
| Indoor Fan Motor Fault | E01 | 26 times |
| Indoor Zero Cross Fault | E02 | 27 times |
| Indoor Coil Sensor Error | H23 | 28 times |
| Indoor Air Sensor Error | H14 | 29 times |
Note: Press the “Check” button on the remote to view error codes or protections. The buzzer will beep 4 times if an error is active. Use the up and down buttons to navigate through more errors. The “TIMER” LED will blink if an error is available.
Note- Press Check button to check error codes or protection with remote, buzzer will beep 4 times if any error active., use up down button for more error, TMER led will blinks if error available.
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