1: Gas detector tsis tuaj yeem calibrated.
Cov laj thawj yuav yog: lub sensor tawg; lub Circuit Court board yog faulty; cov roj calibration tsis raug; tsis muaj hluav taws xob lossis kev sib cuag tsis zoo. Yog li, txoj hauv kev los daws nws yog hloov lub sensor, hloov lub rooj tsav xwm hauv Circuit Court, siv cov roj calibration kom raug, qhib lub hwj chim lossis tig ntawm cov hlau.
2.Lub 4-20mA teeb liab tsis raug.
Cov laj thawj yuav yog: muaj teeb meem nrog lub rooj tsav xwm hauv Circuit Court; muaj teeb meem nrog lub ntsuas; cov hlua khi yog xoob lossis tawg; txoj kab hluav taws xob tsis raug. Yog li ntawd, raws li cov laj thawj, peb tuaj yeem ua qhov kev tawm tsam: hloov lub rooj tsav xwm hauv Circuit Court, nyeem phau ntawv ntsuas ntsuas, txuas cov xaim, kho cov xaim;
3: Tsis muaj relay hloov kev sib cuag cov zis.
Cov laj thawj yuav yog: muaj teeb meem nrog lub rooj tsav xwm hauv Circuit Court; lub relay tawg; cov hlua khi yog xoob lossis tawg; txoj kab hluav taws xob tsis raug. Yog li ntawd, peb kuj tuaj yeem nrhiav kev tawm tsam raws li qhov laj thawj: hloov lub rooj tsav xwm hauv Circuit Court, hloov lub rooj sib tham hauv lub rooj sib tham, txuas cov xov hlau, kho cov xov hlau.