{"id":13616,"date":"2025-06-25T06:32:14","date_gmt":"2025-06-25T06:32:14","guid":{"rendered":"https:\/\/www.dgcrane.com\/?post_type=posts&#038;p=13616"},"modified":"2025-06-25T06:32:19","modified_gmt":"2025-06-25T06:32:19","slug":"electric-hoist-troubleshooting","status":"publish","type":"posts","link":"https:\/\/www.dgcrane.com\/vi\/posts\/electric-hoist-troubleshooting\/","title":{"rendered":"X\u1eed l\u00fd s\u1ef1 c\u1ed1 t\u1eddi \u0111i\u1ec7n: 6 l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 gi\u1ea3i ph\u00e1p"},"content":{"rendered":"<div class=\"wp-block-rank-math-toc-block\" id=\"rank-math-toc\"><p>M\u1ee5c l\u1ee5c<\/p><nav><ul><li><a href=\"#1-unusual-noise-during-operation\">1. Ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng<\/a><ul><li><a href=\"#motor-noise\">Ti\u1ebfng \u1ed3n c\u1ee7a \u0111\u1ed9ng c\u01a1<\/a><\/li><li><a href=\"#gearbox-noise\">Ti\u1ebfng \u1ed3n h\u1ed9p s\u1ed1<\/a><\/li><\/ul><\/li><li><a href=\"#2-hoist-not-responding-when-switch-is-pressed\">2. Pal\u0103ng kh\u00f4ng ph\u1ea3n h\u1ed3i khi c\u00f4ng t\u1eafc \u0111\u01b0\u1ee3c nh\u1ea5n<\/a><\/li><li><a href=\"#3-hoist-fails-to-stop-after-operation\">3. Pal\u0103ng kh\u00f4ng d\u1eebng l\u1ea1i sau khi ho\u1ea1t \u0111\u1ed9ng<\/a><\/li><li><a href=\"#4-hoist-slips-after-stopping\">4. T\u1eddi tr\u01b0\u1ee3t sau khi d\u1eebng<\/a><\/li><li><a href=\"#5-gearbox-oil-leakage\">5. R\u00f2 r\u1ec9 d\u1ea7u h\u1ed9p s\u1ed1<\/a><\/li><li><a href=\"#6-motor-malfunction\">6. \u0110\u1ed9ng c\u01a1 tr\u1ee5c tr\u1eb7c<\/a><ul><li><a href=\"#common-motor-failures-and-solutions\">C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u00e0 gi\u1ea3i ph\u00e1p:<\/a><\/li><\/ul><\/li><li><a href=\"#conclusion\">S\u1ef1 k\u1ebft lu\u1eadn<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n<p>L\u00e0 m\u1ed9t thi\u1ebft b\u1ecb n\u00e2ng h\u1ea1 thi\u1ebft y\u1ebfu trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p, <a href=\"https:\/\/www.dgcrane.com\/vi\/products\/electric-wire-rope-hoists\/\">Pal\u0103ng \u0111i\u1ec7n<\/a> \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o c\u1ea3 n\u0103ng su\u1ea5t v\u00e0 an to\u00e0n. Ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a n\u00f3 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec hi\u1ec7u qu\u1ea3 quy tr\u00ecnh l\u00e0m vi\u1ec7c v\u00e0 ng\u0103n ng\u1eeba tai n\u1ea1n t\u1ea1i n\u01a1i l\u00e0m vi\u1ec7c. Tuy nhi\u00ean, trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y, nhi\u1ec1u v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 ph\u00e1t sinh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t ho\u1eb7c th\u1eadm ch\u00ed g\u00e2y nguy hi\u1ec3m cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh. B\u00e0i vi\u1ebft n\u00e0y t\u00f3m t\u1eaft c\u00e1c s\u1ef1 c\u1ed1 th\u01b0\u1eddng g\u1eb7p c\u1ee7a t\u1eddi \u0111i\u1ec7n v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p t\u01b0\u01a1ng \u1ee9ng \u0111\u1ec3 gi\u00fap ng\u01b0\u1eddi d\u00f9ng nhanh ch\u00f3ng ch\u1ea9n \u0111o\u00e1n v\u00e0 gi\u1ea3i quy\u1ebft s\u1ef1 c\u1ed1, \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"864\" height=\"576\" src=\"https:\/\/www.dgcrane.com\/wp-content\/uploads\/2025\/06\/Electric-Hoist.png\" alt=\"\" class=\"wp-image-13620\"><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"1-unusual-noise-during-operation\">1. Ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh ho\u1ea1t \u0111\u1ed9ng<\/h2>\n\n\n\n<p>Ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng t\u1eeb t\u1eddi \u0111i\u1ec7n th\u01b0\u1eddng b\u00e1o hi\u1ec7u s\u1ef1 kh\u1edfi \u0111\u1ea7u c\u1ee7a s\u1ef1 c\u1ed1 c\u01a1 h\u1ecdc. V\u00ed d\u1ee5, s\u1ef1 c\u1ed1 \u1edf \u0111\u1ed9ng c\u01a1 ho\u1eb7c h\u1ed9p s\u1ed1 c\u00f3 th\u1ec3 g\u00e2y ra ti\u1ebfng \u1ed3n b\u1ea5t th\u01b0\u1eddng. Th\u01b0\u1eddng xuy\u00ean ch\u00fa \u00fd \u0111\u1ebfn ti\u1ebfng \u1ed3n khi v\u1eadn h\u00e0nh c\u00f3 th\u1ec3 gi\u00fap ph\u00e1t hi\u1ec7n s\u1edbm s\u1ef1 c\u1ed1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"motor-noise\"><strong>Ti\u1ebfng \u1ed3n c\u1ee7a \u0111\u1ed9ng c\u01a1<\/strong><\/h3>\n\n\n\n<p>Khi ti\u1ebfng \u1ed3n xu\u1ea5t ph\u00e1t t\u1eeb <a href=\"https:\/\/www.dgcrane.com\/vi\/overhead-crane-motors\/\">\u0111\u1ed9ng c\u01a1<\/a>, c\u1ea7n d\u1eebng t\u1eddi ngay l\u1eadp t\u1ee9c. Ki\u1ec3m tra xem c\u00f3 h\u01b0 h\u1ecfng \u1ed5 tr\u1ee5c, r\u00f4to b\u1ecb x\u01b0\u1edbc, ho\u1ea1t \u0111\u1ed9ng m\u1ed9t pha hay kh\u00f4ng th\u1eb3ng h\u00e0ng. Gi\u1ed1ng nh\u01b0 b\u1ec7nh t\u1eadt c\u1ee7a con ng\u01b0\u1eddi, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 c\u01a1 h\u1ecdc th\u01b0\u1eddng bi\u1ec3u hi\u1ec7n c\u00e1c tri\u1ec7u ch\u1ee9ng b\u00ean ngo\u00e0i.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u00c2m thanh \u201c\u00f9 \u00f9\u201d th\u01b0\u1eddng b\u00e1o hi\u1ec7u ho\u1ea1t \u0111\u1ed9ng m\u1ed9t pha.<\/li>\n\n\n\n<li>Ti\u1ebfng \u201cl\u1ea1ch c\u1ea1ch\u201d th\u01b0\u1eddng b\u00e1o hi\u1ec7u \u1ed5 tr\u1ee5c b\u1ecb h\u1ecfng.<\/li>\n\n\n\n<li>S\u1ef1 kh\u00f4ng c\u00e2n ch\u1ec9nh ho\u1eb7c ti\u1ebfng \u1ed3n c\u1ee7a r\u00f4-to t\u1ea1o ra ti\u1ebfng \u1ed3n ch\u00f3i tai, c\u00f3 th\u1ec3 thay \u0111\u1ed5i v\u1ec1 \u00e2m \u0111i\u1ec7u.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"gearbox-noise\"><strong>Ti\u1ebfng \u1ed3n h\u1ed9p s\u1ed1<\/strong><\/h3>\n\n\n\n<p><a href=\"https:\/\/www.dgcrane.com\/vi\/overhead-crane-gearbox\/\">H\u1ed9p s\u1ed1<\/a> Ti\u1ebfng \u1ed3n th\u01b0\u1eddng l\u00e0 k\u1ebft qu\u1ea3 c\u1ee7a s\u1ef1 hao m\u00f2n \u1edf m\u1ed9t ho\u1eb7c nhi\u1ec1u th\u00e0nh ph\u1ea7n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u1ecf h\u1ed9p s\u1ed1<\/li>\n\n\n\n<li>V\u00f2ng bi<\/li>\n\n\n\n<li>B\u00e1nh r\u0103ng<\/li>\n<\/ul>\n\n\n\n<p>Ki\u1ec3m tra xem ch\u1ea5t b\u00f4i tr\u01a1n c\u00f3 \u0111\u01b0\u1ee3c thay th\u1ebf th\u01b0\u1eddng xuy\u00ean kh\u00f4ng. N\u1ebfu kh\u00f4ng, h\u00e3y b\u1eaft \u0111\u1ea7u b\u1eb1ng vi\u1ec7c thay d\u1ea7u. Ki\u1ec3m tra xem b\u00e1nh r\u0103ng c\u00f3 b\u1ecb h\u01b0 h\u1ecfng ho\u1eb7c \u1ed5 tr\u1ee5c b\u1ecb bi\u1ebfn d\u1ea1ng kh\u00f4ng v\u00e0 thay th\u1ebf c\u00e1c b\u1ed9 ph\u1eadn khi c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"2-hoist-not-responding-when-switch-is-pressed\">2. Pal\u0103ng kh\u00f4ng ph\u1ea3n h\u1ed3i khi c\u00f4ng t\u1eafc \u0111\u01b0\u1ee3c nh\u1ea5n<\/h2>\n\n\n\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 c\u00f3 ba nguy\u00ean nh\u00e2n ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ngu\u1ed3n \u0111i\u1ec7n kh\u00f4ng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i:<\/strong><br>Lu\u00f4n ki\u1ec3m tra xem ngu\u1ed3n \u0111i\u1ec7n \u0111\u00e3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ch\u01b0a\u2014\u0111\u00e2y l\u00e0 l\u1ed7i th\u01b0\u1eddng g\u1eb7p nh\u1ea5t.<\/li>\n\n\n\n<li><strong>V\u1ea5n \u0111\u1ec1 v\u1ec1 m\u1ea1ch chuy\u1ec3n m\u1ea1ch:<\/strong><br>Qu\u00e1 nhi\u1ec7t do s\u1eed d\u1ee5ng l\u00e2u d\u00e0i ho\u1eb7c t\u00e1c \u0111\u1ed9ng c\u01a1 h\u1ecdc c\u00f3 th\u1ec3 g\u00e2y h\u1ecfng d\u00e2y \u0111i\u1ec7n b\u00ean trong ho\u1eb7c k\u1ebft n\u1ed1i l\u1ecfng l\u1ebbo. Ki\u1ec3m tra xem d\u00e2y \u0111i\u1ec7n c\u00f3 b\u1ecb ch\u00e1y ho\u1eb7c b\u1ecb tu\u1ed9t kh\u00f4ng.<\/li>\n\n\n\n<li><strong>Ngu\u1ed3n cung c\u1ea5p \u0111i\u1ec7n \u00e1p th\u1ea5p cho \u0111\u1ed9ng c\u01a1:<\/strong><br>N\u1ebfu \u0111i\u1ec7n \u00e1p cung c\u1ea5p cho \u0111\u1ed9ng c\u01a1 th\u1ea5p h\u01a1n \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c 10%, t\u1eddi s\u1ebd kh\u00f4ng n\u00e2ng \u0111\u01b0\u1ee3c t\u1ea3i. S\u1eed d\u1ee5ng v\u00f4n k\u1ebf \u0111\u1ec3 \u0111o v\u00e0 \u0111\u1ea3m b\u1ea3o \u0111i\u1ec7n \u00e1p n\u1eb1m trong ph\u1ea1m vi cho ph\u00e9p tr\u01b0\u1edbc khi kh\u1edfi \u0111\u1ed9ng l\u1ea1i.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"3-hoist-fails-to-stop-after-operation\">3. Pal\u0103ng kh\u00f4ng d\u1eebng l\u1ea1i sau khi ho\u1ea1t \u0111\u1ed9ng<\/h2>\n\n\n\n<p>N\u1ebfu t\u1eddi v\u1eabn ti\u1ebfp t\u1ee5c di chuy\u1ec3n ngay c\u1ea3 sau khi nh\u1ea5n n\u00fat d\u1eebng\u2014n\u00e2ng l\u00ean ho\u1eb7c h\u1ea1 xu\u1ed1ng \u0111\u1ebfn gi\u1edbi h\u1ea1n\u2014th\u01b0\u1eddng l\u00e0 do ti\u1ebfp \u0111i\u1ec3m h\u00e0n c\u1ee7a contactor. Ti\u1ebfp \u0111i\u1ec3m d\u1eebng kh\u00f4ng m\u1edf v\u00e0 \u0111\u1ed9ng c\u01a1 v\u1eabn ch\u1ea1y. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p nh\u01b0 v\u1eady, h\u00e3y t\u1eaft ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh ngay l\u1eadp t\u1ee9c v\u00e0 ki\u1ec3m tra ho\u1eb7c thay th\u1ebf contactor.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"4-hoist-slips-after-stopping\">4. T\u1eddi tr\u01b0\u1ee3t sau khi d\u1eebng<\/h2>\n\n\n\n<p>Theo th\u1eddi gian, t\u1eddi \u0111i\u1ec7n c\u00f3 th\u1ec3 b\u1ecb tr\u01b0\u1ee3t do s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng phanh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>phanh b\u1ecb m\u00f2n<\/li>\n\n\n\n<li>H\u1ea1t r\u1eddi<\/li>\n\n\n\n<li>L\u00f2 xo y\u1ebfu \u0111i<\/li>\n<\/ul>\n\n\n\n<p>\u0110i\u1ec1u ch\u1ec9nh \u0111ai \u1ed1c phanh theo h\u01b0\u1edbng d\u1eabn trong s\u00e1ch h\u01b0\u1edbng d\u1eabn s\u1eed d\u1ee5ng t\u1eddi. Thay th\u1ebf m\u00e1 phanh ho\u1eb7c l\u00f2 xo b\u1ecb m\u00f2n n\u1ebfu c\u1ea7n.<\/p>\n\n\n\n<p>B\u1ee5i v\u00e0 \u00f4 nhi\u1ec5m d\u1ea7u c\u0169ng c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng phanh, \u0111\u1eb7c bi\u1ec7t l\u00e0 d\u1ea7u, g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng tr\u01b0\u1ee3t qu\u00e1 m\u1ee9c. Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, n\u1ebfu kh\u1edbp n\u1ed1i \u0111\u1ed9ng c\u01a1 b\u1ecb k\u1eb9t ho\u1eb7c di chuy\u1ec3n kh\u00f4ng \u0111\u00fang c\u00e1ch, \u0111\u0129a phanh c\u00f3 th\u1ec3 kh\u00f4ng ti\u1ebfp x\u00fac \u0111\u00fang c\u00e1ch v\u1edbi n\u1eafp \u0111\u1ea7u, d\u1eabn \u0111\u1ebfn phanh kh\u00f4ng \u0111\u1ed3ng \u0111\u1ec1u. Ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa ho\u1eb7c thay th\u1ebf kh\u1edbp n\u1ed1i cho ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"5-gearbox-oil-leakage\">5. R\u00f2 r\u1ec9 d\u1ea7u h\u1ed9p s\u1ed1<\/h2>\n\n\n\n<p>D\u1ea7u r\u00f2 r\u1ec9 t\u1eeb <a href=\"https:\/\/www.dgcrane.com\/vi\/overhead-crane-gearbox\/\">h\u1ed9p s\u1ed1<\/a> th\u01b0\u1eddng l\u00e0 do:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00f2ng \u0111\u1ec7m k\u00edn gi\u1eefa v\u1ecf v\u00e0 n\u1eafp b\u1ecb m\u00f2n ho\u1eb7c h\u1ecfng \u2013 Thay th\u1ebf v\u00f2ng \u0111\u1ec7m m\u1edbi.<\/li>\n\n\n\n<li>Bu l\u00f4ng tr\u00ean h\u1ed9p s\u1ed1 b\u1ecb l\u1ecfng \u2013 Si\u1ebft ch\u1eb7t bu l\u00f4ng sau khi t\u1eddi d\u1eebng l\u1ea1i.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"6-motor-malfunction\">6. \u0110\u1ed9ng c\u01a1 tr\u1ee5c tr\u1eb7c<\/h2>\n\n\n\n<p>Ho\u1ea1t \u0111\u1ed9ng li\u00ean t\u1ee5c trong th\u1eddi gian d\u00e0i c\u00f3 th\u1ec3 g\u00e2y ra <a href=\"https:\/\/www.dgcrane.com\/vi\/overhead-crane-motors\/\">\u0111\u1ed9ng c\u01a1<\/a> qu\u00e1 nhi\u1ec7t do qu\u00e1 t\u1ea3i ho\u1eb7c b\u00f4i tr\u01a1n k\u00e9m. C\u00e1c v\u1ea5n \u0111\u1ec1 kh\u00e1c bao g\u1ed3m ti\u1ebfp \u0111i\u1ec3m b\u1ecb l\u1ed7i, c\u1ea7u ch\u00ec b\u1ecb h\u1ecfng ho\u1eb7c l\u1ed7i h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"common-motor-failures-and-solutions\"><strong>C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p c\u1ee7a \u0111\u1ed9ng c\u01a1 v\u00e0 gi\u1ea3i ph\u00e1p:<\/strong><\/h3>\n\n\n\n<p><strong>Qu\u00e1 nhi\u1ec7t:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u01b0\u1eddng do qu\u00e1 t\u1ea3i. Gi\u1eef trong ph\u1ea1m vi c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c c\u1ee7a t\u1eddi.<\/li>\n\n\n\n<li>V\u00f2ng bi b\u1ecb m\u00f2n ho\u1eb7c h\u01b0 h\u1ecfng c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn qu\u00e1 nhi\u1ec7t.<\/li>\n\n\n\n<li>N\u1ebfu khe h\u1edf phanh qu\u00e1 nh\u1ecf, ma s\u00e1t s\u1ebd t\u0103ng l\u00ean, d\u1eabn \u0111\u1ebfn nhi\u1ec7t \u0111\u1ed9 qu\u00e1 cao v\u00e0 \u0111\u1ed9ng c\u01a1 b\u1ecb c\u0103ng. D\u1eebng t\u1eddi v\u00e0 \u0111i\u1ec1u ch\u1ec9nh khe h\u1edf phanh.<\/li>\n<\/ul>\n\n\n\n<p><strong>C\u1ea7u ch\u00ec b\u1ecb \u0111\u1ee9t ho\u1eb7c c\u1ea7u dao b\u1ecb ng\u1eaft:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m tra m\u1ee9c d\u00f2ng \u0111i\u1ec7n, thay th\u1ebf c\u1ea7u ch\u00ec ho\u1eb7c \u0111\u1eb7t l\u1ea1i b\u1ed9 ng\u1eaft m\u1ea1ch n\u1ebfu c\u1ea7n.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0110\u1ea5u d\u00e2y pha kh\u00f4ng \u0111\u00fang ho\u1eb7c m\u1ea5t pha:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u0110\u1ea3o ng\u01b0\u1ee3c hai giai \u0111o\u1ea1n \u0111\u1ec3 s\u1eeda.<\/li>\n<\/ul>\n\n\n\n<p><strong>D\u00e2y ngu\u1ed3n\/d\u00e2y \u0111i\u1ec1u khi\u1ec3n b\u1ecb \u0111\u1ee9t ho\u1eb7c k\u1ebft n\u1ed1i k\u00e9m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eeda ch\u1eefa ho\u1eb7c thay th\u1ebf h\u1ec7 th\u1ed1ng d\u00e2y \u0111i\u1ec7n b\u1ecb l\u1ed7i.<\/li>\n<\/ul>\n\n\n\n<p><strong>C\u1ea7u ch\u00ec m\u1ea1ch \u0111i\u1ec1u khi\u1ec3n b\u1ecb ch\u00e1y:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thay th\u1ebf b\u1eb1ng lo\u1ea1i c\u1ea7u ch\u00ec ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0110i\u1ec7n \u00e1p cung c\u1ea5p \u0111i\u1ec7n th\u1ea5p:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>S\u1eed d\u1ee5ng v\u00f4n k\u1ebf \u0111\u1ec3 ki\u1ec3m tra xem \u0111i\u1ec7n \u00e1p c\u00f3 th\u1ea5p h\u01a1n 10% so v\u1edbi m\u1ee9c \u0111\u1ecbnh m\u1ee9c kh\u00f4ng.<\/li>\n<\/ul>\n\n\n\n<p><strong>\u0110\u1ed9ng c\u01a1 k\u00eau nh\u01b0ng kh\u00f4ng quay:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m tra tr\u00ecnh t\u1ef1 pha v\u00e0 c\u00e1ch \u0111i\u1ec7n c\u1ee7a \u0111\u1ed9ng c\u01a1, sau \u0111\u00f3 s\u1eeda ch\u1eefa.<\/li>\n<\/ul>\n\n\n\n<p><strong>S\u1ef1 c\u1ed1 c\u1ee7a ti\u1ebfp \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>N\u1ebfu v\u1eadn h\u00e0nh th\u1ee7 c\u00f4ng, h\u00e3y ki\u1ec3m tra xem d\u00e2y \u0111i\u1ec1u khi\u1ec3n c\u00f3 ti\u1ebfp x\u00fac k\u00e9m kh\u00f4ng.<\/li>\n\n\n\n<li>N\u1ebfu c\u1ea3 thao t\u00e1c th\u1ee7 c\u00f4ng v\u00e0 \u0111i\u1ec7n \u0111\u1ec1u kh\u00f4ng th\u00e0nh c\u00f4ng, h\u00e3y ki\u1ec3m tra ngu\u1ed3n \u0111i\u1ec7n ch\u00ednh. N\u1ebfu c\u00f3 ngu\u1ed3n \u0111i\u1ec7n, c\u00f3 kh\u1ea3 n\u0103ng contactor b\u1ecb l\u1ed7i v\u00e0 ph\u1ea3i thay th\u1ebf.<\/li>\n<\/ul>\n\n\n\n<p><strong>D\u1eebng kh\u1ea9n c\u1ea5p \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ki\u1ec3m tra v\u00e0 nh\u1ea3 n\u00fat d\u1eebng kh\u1ea9n c\u1ea5p.<\/li>\n<\/ul>\n\n\n\n<p><strong>L\u1ed7i cu\u1ed9n d\u00e2y ti\u1ebfp \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Thay th\u1ebf cu\u1ed9n d\u00e2y ho\u1eb7c to\u00e0n b\u1ed9 ti\u1ebfp \u0111i\u1ec3m.<\/li>\n<\/ul>\n\n\n\n<p><strong>S\u1ef1 c\u1ecd x\u00e1t gi\u1eefa rotor v\u00e0 stato (\u201cC\u00e0o rotor\u201d):<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Th\u01b0\u1eddng do v\u00f2ng \u0111\u1ee1 b\u1ecb m\u00f2n qu\u00e1 m\u1ee9c ho\u1eb7c rotor kh\u00f4ng th\u1eb3ng h\u00e0ng. D\u1eebng t\u1eddi, thay v\u00f2ng \u0111\u1ee1 v\u00e0 \u0111i\u1ec1u ch\u1ec9nh l\u1ea1i kho\u1ea3ng h\u1edf stato-rotor ho\u1eb7c g\u1eedi \u0111\u1ed9ng c\u01a1 \u0111i s\u1eeda ch\u1eefa chuy\u00ean nghi\u1ec7p.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"conclusion\">S\u1ef1 k\u1ebft lu\u1eadn<\/h2>\n\n\n\n<p>Ho\u1ea1t \u0111\u1ed9ng an to\u00e0n v\u00e0 hi\u1ec7u qu\u1ea3 c\u1ee7a t\u1eddi \u0111i\u1ec7n ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch v\u00e0 b\u1ea3o d\u01b0\u1ee1ng th\u01b0\u1eddng xuy\u00ean. B\u1eb1ng c\u00e1ch x\u00e1c \u0111\u1ecbnh v\u00e0 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 k\u1ecbp th\u1eddi, ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 k\u00e9o d\u00e0i tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb, duy tr\u00ec s\u1ea3n xu\u1ea5t tr\u01a1n tru v\u00e0 \u0111\u1ea3m b\u1ea3o an to\u00e0n t\u1ea1i n\u01a1i l\u00e0m vi\u1ec7c. \u0110\u1ed1i v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p ho\u1eb7c kh\u00f4ng th\u1ec3 gi\u1ea3i quy\u1ebft, ch\u00fang t\u00f4i khuy\u1ebfn kh\u00edch b\u1ea1n n\u00ean tham kh\u1ea3o \u00fd ki\u1ebfn c\u1ee7a c\u00e1c k\u1ef9 thu\u1eadt vi\u00ean chuy\u00ean nghi\u1ec7p \u0111\u1ec3 ki\u1ec3m tra v\u00e0 s\u1eeda ch\u1eefa. M\u1ed9t t\u1eddi \u0111i\u1ec7n \u0111\u01b0\u1ee3c b\u1ea3o d\u01b0\u1ee1ng t\u1ed1t kh\u00f4ng ch\u1ec9 b\u1ea3o v\u1ec7 ho\u1ea1t \u0111\u1ed9ng m\u00e0 c\u00f2n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c th\u00fac \u0111\u1ea9y n\u0103ng su\u1ea5t chung.<\/p>","protected":false},"excerpt":{"rendered":"L\u00e0 m\u1ed9t thi\u1ebft b\u1ecb n\u00e2ng h\u1ea1 thi\u1ebft y\u1ebfu trong s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p, t\u1eddi \u0111i\u1ec7n \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c \u0111\u1ea3m b\u1ea3o c\u1ea3 n\u0103ng su\u1ea5t v\u00e0 an to\u00e0n. Ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh c\u1ee7a n\u00f3 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 duy tr\u00ec hi\u1ec7u qu\u1ea3 quy tr\u00ecnh l\u00e0m vi\u1ec7c v\u00e0 ng\u0103n ng\u1eeba tai n\u1ea1n t\u1ea1i n\u01a1i l\u00e0m vi\u1ec7c. Tuy nhi\u00ean, trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng h\u00e0ng ng\u00e0y, nhi\u1ec1u v\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 ph\u00e1t sinh \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t ho\u1eb7c th\u1eadm ch\u00ed g\u00e2y nguy hi\u1ec3m cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh. B\u00e0i vi\u1ebft n\u00e0y t\u00f3m t\u1eaft c\u00e1c lo\u1ea1i t\u1eddi \u0111i\u1ec7n ph\u1ed5 bi\u1ebfn [\u2026]","protected":false},"featured_media":13620,"parent":0,"menu_order":0,"template":"single-SEO-Table.php","posts_category":[351],"posts_tag":[53,870],"class_list":["post-13616","posts","type-posts","status-publish","has-post-thumbnail","hentry","posts_category-blog","posts_tag-electric-hoist","posts_tag-electric-hoist-troubleshooting"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/13616"}],"collection":[{"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts"}],"about":[{"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/types\/posts"}],"version-history":[{"count":6,"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/13616\/revisions"}],"predecessor-version":[{"id":13628,"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/xmxposts\/13616\/revisions\/13628"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/media\/13620"}],"wp:attachment":[{"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/media?parent=13616"}],"wp:term":[{"taxonomy":"posts_category","embeddable":true,"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/posts_category?post=13616"},{"taxonomy":"posts_tag","embeddable":true,"href":"https:\/\/www.dgcrane.com\/vi\/wp-json\/wp\/v2\/posts_tag?post=13616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}