1results about How to "Avoid parity" patented technology

This invention proposes an air conditioner comprising: a controller, which includes a first control module and a second control module. The second control module is configured to: retrieve first software version information from a memory when the air conditioner is powered on; verify the first software version information; if the verification of the first software version information fails, retrieve second software version information; determine a second verification formula based on the second software version information; verify the second software version information based on the second verification formula; and if the verification is successful, store the second software version information in the memory to replace the first software version information. This invention can verify the second software version information based on a specific formula and store it in memory upon successful verification, thereby ensuring the consistency of the checksum in the memory without increasing costs, avoiding problems caused by changes in the checksum in the memory, and improving the reliability of the air conditioner.