There are a number of common problems that may be encountered during the use of the salt spray corrosion testing machine, here are some suggestions for resolving these problems:

1. Clogged brine nozzles: If the brine nozzles are clogged, this may result in inaccurate test results. Solutions include cleaning the nozzle or replacing it with a new one. Clean and maintain the nozzle regularly to ensure proper spraying.

2. Control System Failure: A control system failure may result in parameters such as temperature, humidity, or spray time not being controlled correctly. First, check the instrument for proper power and cable connections. If the problem persists, it may be necessary to contact the supplier for repair or replacement of relevant parts.

3. Abnormal test chamber temperature: The stability of the test chamber temperature is very important to the accuracy of the test results. Ensure that the temperature control system in the test chamber is functioning properly and calibrate the temperature sensors regularly. If the ambient temperature in the test chamber is unstable, it may be necessary to repair or adjust the instrument.

4. Improper sample preparation: Sample preparation may affect test results. Ensure that sample surfaces are clean and are handled and coated according to standard procedures. Following proper sample preparation methods can improve the reliability of test results.

5. Problems with brine concentration: The concentration of brine used for salt spray testing should meet standard requirements. Regularly check and calibrate the brine supply system to ensure the accuracy and consistency of the brine concentration.

6. Instrument calibration issues: Regular calibration of the salt spray corrosion testing machine is a critical step in ensuring accurate and reliable test results. Follow the calibration procedures provided by your supplier to ensure that the instrument is in good working order.

7. Improper maintenance: Regular maintenance and cleaning is critical to keep the salt spray corrosion testing machine operating properly. Follow the maintenance guidelines provided by your supplier, including cleaning the nozzles, replacing the filter cartridges, cleaning the water tank, etc. If the above measures do not solve the problem, it is recommended that you contact your supplier.

If the above measures do not solve the problem, it is recommended to contact the equipment supplier or relevant professionals for further overhaul and repair. They can provide more specific and professional support to solve your problem.