By replacing the module and sensor of the temperature and humidity recorder, it was found that the temperature and humidity recorder still showed: temperature 0.0 ℃, humidity 0.0%, to eliminate the abnormal conditions caused by the damage of the temperature and humidity recorder module and the sensor; Change to the original temporary power distribution box, no abnormality after trial operation, and then replace the module and sensor of the newly replaced temperature and humidity recorder with the old temperature and humidity recorder, the data is still normal after 15 days of operation, so this caused The most likely cause of the secondary deviation is that the newly replaced power line of the temperature and humidity recorder is subject to electromagnetic interference generated during the operation of the three-in-one frequency converter in the clean area of imipenem, causing the power line to be abnormal. <br><br>After the workshop staff reopened the temperature and humidity recorder, they can collect data normally. After viewing the historical curve, it is found that the curve data is displayed as 0.0 during 2019.12.17 14: 20 ~ 2019.12.18 08:00, the data is lost, after the deviation occurs High-frequency recording of the temperature and humidity of the intermediate storage room (2 hours / time) until the deviation survey is completed. When this deviation occurs, the materials stored in the intermediate temporary storage room on the first floor of Building Y73, Workshop 210 are imipenem deprotection and cilastatin hydrolyzed sodium salt, both of which are within the validity period, and the storage conditions are all room temperature, the temperature and humidity The data collected by the recorder is only for recording, not for alarm. Therefore, the risk of the temperature and humidity recorder failing to collect data in a short time is low, and the temperature and humidity curves are printed during the troubleshooting process. Sistatin sodium hydrolyzed sodium salt 2017-HB191203 and 2017-HB191204 have been produced into 2017-B191205 batches, and some of the imipenem deprotected batches have been produced into 2065-200101 batches. The product quality is not abnormal, and follow-up tracking involves Other batches of imipenem. For details, please refer to D-TZ-API-210-19006-RY73 intermediate storage room temperature and humidity recorder deviation survey and risk assessment report. <br><br>Release of cilastatin sodium (20-02-18); production of deprotected imipenem to finished imipenem, release (20-02-20) (20-03-12) (20-4-22 ) <br><br>CP-TZ-API-D-TZ-210-19006-20001: Replace the power supply circuit of the temperature and humidity recorder to the wiring above the main power switch in the original temporary power distribution box, and make a warning sign.
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