A field service engineer (fse) followed up with the customer over the phone to address the reported event.While trouble shooting over the phone with the customer, the fse was able to confirm the reported error 3021 was in the error log.The error could not be reproduced because error occurred intermittently.The fse was unable to identify the cause of the leak or duplicate the error.The fse advised the customer to check for kinks in the waste tubing and to make sure that when replacing the waste tubing cap there are no kinks.No further action required by field service.The aia-360 instrument is functioning as expected.The aia-360, serial number (b)(4), was installed at the account on 01march2019.A complaint history review and service history review for similar complaints was performed from 01march2019 through aware date 17october2019.There were no other complaints identified during the searched period.The aia-360 operator's manual under section 7-1: list of error messages states the following: 3021 leak sensor s701 detected.Description: leakage sensor s701 activated.Troubleshooting: contact the service department.The probable cause of the reported event could not be duplicated.
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