Understanding the error codes on your air conditioner is crucial for effective troubleshooting. Therefore, Mytour Supermarket will consolidate detailed error code tables for Casper air conditioners in this article. Feel free to refer to ensure your device continues to operate smoothly, providing a cool and comfortable environment.

Comprehensive Compilation of Casper Air Conditioner Error Codes
1. Error Code Table for Casper Non-Inverter Wall-mounted Air Conditioners
Depending on the specific issue, Casper Non-Inverter Wall-mounted air conditioners may encounter different error codes. Below are some common error codes you might come across:
Error Code | Error Description |
E1 | The air conditioner encounters an issue related to the temperature sensor in the room. |
E2 | The air conditioner faces a problem related to the temperature sensor of the outdoor unit. |
E3 | The air conditioner encounters an issue related to the temperature sensor of the indoor unit. |
E4 | The air conditioner has trouble controlling the fan motor of the indoor unit. |
2. Error Code Table for Casper Inverter Wall-mounted Air Conditioners
Here is the error code table for Casper Inverter Wall-mounted air conditioners. Understanding the causes and operational principles will help you troubleshoot effectively.
Error Code | Error Description |
E1 | An issue related to the temperature sensor of the cooling room. |
E2 | An issue with the temperature sensor of the outdoor unit. |
E3 | An issue related to the temperature sensor of the indoor unit. |
E4 | Problem controlling the fan motor of the indoor unit. |
E5 | An issue with the connection between the outdoor and indoor units. |
F0 | Problem with the fan motor of the outdoor unit. |
F1 | IPM part error. |
F2 | PFC part error. |
F3 | An issue related to the compressor. |
F4 | Problem with the temperature sensor of the compressor head. |
F5 | An issue related to the compressor protection feature. |
F6 | Problem with the temperature sensor of the environment at the outdoor unit. |
F7 | An issue related to high or low voltage protection. |
F8 | Problem during the connection of the outdoor unit. |
F9 | Issue with the processing chip of the outdoor unit. |
FA | Issue with the feedback sensor. |

Casper Inverter Wall-mounted Air Conditioner
3. Error Code Table for Casper Standing Cabinet Air Conditioners
Here is the error code table for Casper standing cabinet air conditioners. Let's explore these errors to understand how to address common issues with your air conditioner.
Error Code | Error Description |
E1 | Temperature sensor in the cooling room malfunctions. |
E3 | An issue related to the temperature sensor of the indoor unit. |
E4 | Faulty temperature sensor of the outdoor unit. |
F1 | System protection against phase loss, phase imbalance, and high pressure. |
F2 | Overheat protection. |

Casper Floor Standing Air Conditioner
4. Error Code Table for Casper Ceiling Cassette Air Conditioners
The following error code table will help you easily identify and understand issues with Casper ceiling cassette air conditioners.
Error Code | Error Description |
E5 | Control signal connection issue. |
E4 | Problems with the condensate pump system. |
E6 | Phase loss or reverse phase issue at the outdoor unit. |
EA | Overheat protection for the refrigerant line. |
E9 | High or low-pressure protection. |
E1 | Related to indoor temperature sensor malfunction. |
E3 | Issues with the indoor coil sensor. |
E2 | Outdoor coil sensor error. |
E7 | Outdoor coil sensor malfunction. |
E8 | Faulty temperature sensor at the compressor head. |
E0 | Low refrigerant (gas) warning. |
F9 | Gas depletion in the system. |

Casper Ceiling Cassette Air Conditioner
After identifying the error codes on your Casper air conditioner, if you lack technical knowledge or confidence in repair, it's advisable to contact a reputable service center. This ensures accurate and safe resolution of issues with your air conditioner. Avoid DIY interventions without sufficient knowledge, as it may lead to serious consequences and increased repair costs.
5. Tips for Prolonging the Lifespan of Your Casper Air Conditioner
Regular Maintenance: Keep your air conditioner clean by regularly cleaning the filters and evaporator coils. Dust and oil residue can reduce cooling efficiency and lead to other issues.

Regular air conditioner maintenance is essential for stable operation
Set Appropriate Temperature: Ensure you set a temperature suitable for the environment and your needs. Avoid excessively cooling or running the air conditioner at low temperatures for extended periods.
Close Doors and Windows: Make sure doors and windows are tightly closed when the air conditioner is in operation to prevent heat and energy loss.
Optimize Energy-Saving Mode: If your air conditioner features an energy-saving mode (Eco Mode), use it to reduce power consumption.
Place the Air Conditioner Appropriately: Position the air conditioner in a well-ventilated area, avoiding direct sunlight. This helps the air conditioner operate more efficiently.
We hope this article has provided you with valuable information on Casper air conditioners and how to address common issues. Proper maintenance and repairs will ensure your air conditioner maintains optimal performance and comfort during hot weather.