Yuav ua li cas txiav txim qhov txhaum ntawm kev tawgchav cia khoom txias?
1. Txheeb xyuas hom kev ua kom poob qis
Kev tiv thaiv kev xau dej→teeb meem rwb thaiv tsev (ntsuas qhov tsis kam ntawm rwb thaiv tsev)
Kev hloov pauv tseem ceeb→overload/luv circuit (xyuas tam sim no/kab)
Tsis muaj kev tiv thaiv kev xau dej→kev daws teeb meem luv luv ntawm lub voj voog (kev tshawb nrhiav cais)
2. Cov txheej txheem nrhiav cov yuam sij
Kev kuaj pom rwb thaiv tsev: megohmmeter los ntsuas kab> 2㏁
Kev kuaj pom tam sim no: lub clamp meter los ntsuas seb nws puas tshaj qhov ntsuas tus nqi
Kev daws teeb meem faib ua ntu: txiav cov kauj ruam ib kauj ruam los xyuas qhov teeb meem
3. Cov laj thawj uas tshwm sim ntau
Kev txo qis ntawm kev rwb thaiv tsev: cov yeeb nkab defrost / compressor yog ntub
Overload: compressor raug thaiv / pib tam sim no loj
Luv Circuit Court: kab puas lawm/contactor kub hnyiab.
Lub sijhawm tshaj tawm: Plaub Hlis-08-2025
