{"id":159,"date":"2015-03-31T16:32:39","date_gmt":"2015-03-31T16:32:39","guid":{"rendered":"http:\/\/www.mroelectric.com\/blog\/?p=159"},"modified":"2020-03-05T11:40:27","modified_gmt":"2020-03-05T16:40:27","slug":"troubleshooting-fanuc-servo","status":"publish","type":"post","link":"https:\/\/www.mroelectric.com\/blog\/troubleshooting-fanuc-servo\/","title":{"rendered":"Troubleshooting Fanuc Servo Devices"},"content":{"rendered":"

\"A06B-6058-H005\"<\/h2>\n

Troubleshooting Fanuc Servo Devices<\/h2>\n

Recently we had a customer that we helped with troubleshooting a FANUC<\/a> servo A20B-1003-0090<\/a> board that he was installing into an A06B-6058-H005<\/a> drive. A handful FANUC troubleshooting options are listed below.<\/p>\n

Troubleshooting for the DCAI alarm:<\/p>\n

[check items]<\/p>\n

    \n
  1. Setting S2 for the S series<\/li>\n
  2. Machine load<\/li>\n
  3. Check connection of separate discharge unit<\/li>\n<\/ol>\n

    [Adjustment procedure]<\/p>\n

    A. Check amplifier setting S2. If the setting is incorrect, go to Cause 1. If the setting is correct, go to A-0.<\/p>\n

    A-0: Check whether a separate discharge unit is being used. If it is being used, go to A-1. If not being used, go to A-2.<\/p>\n

    A-1: Check the connection of the separate discharge unit. If the connection is incorrect, go to Cause 2. If connection is correct, go to A-2.<\/p>\n

    A-2: Check the acceleration\/deceleration frequency. If the frequency is too high, go to Cause 3. If the frequency is low enough, go to A-3.<\/p>\n

    A-3: Replace the servo amplifier. If a DCAL alarm no longer occurs, go to Cause 4. If a DCAL alarm still occurs, go to Cause 3.<\/p>\n

    [Causes]<\/p>\n

    1). If the setting S2 of the S series servo amplifier is incorrect, a DC alarm is caused.<\/p>\n

    2). If the separate discharge unit is connected incorrectly, a DC alarm occurs.<\/p>\n

    3). Compared to the regenerative power of the amplifier, the regenerative energy of the motor is too large. (The inertia is too large or the acceleration\/deceleration frequency is too high.) In this case, try to decrease the acceleration\/deceleration frequency or install a separate discharge unit.<\/p>\n

    4). The discharge transistor (Q1) in the servo amplifier is defective.<\/p>\n

    MRO Electric and Supply<\/a> has new and refurbished FANUC CNC<\/a> products available, including FANUC Servo<\/a> parts. We also offer repair<\/a> pricing. For more information, please call 800-691-8511<\/a> or email sales@mroelectric.com<\/a>.<\/h2>\n","protected":false},"excerpt":{"rendered":"

    Troubleshooting Fanuc Servo Devices Recently we had a customer that we helped with troubleshooting a FANUC servo A20B-1003-0090 board that he was installing into an A06B-6058-H005 drive. A handful FANUC troubleshooting options are listed below. Troubleshooting for the DCAI alarm: [check items] Setting S2 for the S series Machine load Check connection of separate discharge […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"","_lmt_disable":"","_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"footnotes":""},"categories":[77,12],"tags":[85],"class_list":["post-159","post","type-post","status-publish","format-standard","hentry","category-fanuc","category-troubleshooting-and-repair","tag-motors-and-drives"],"yoast_head":"\nTroubleshooting Fanuc Servo Devices | FANUC Drives in Stock<\/title>\n<meta name=\"description\" content=\"Tips on troubleshooting Fanuc servo devices. Specifically installing an A20B-1003-0090 into a A06B-6058-H005 unit. 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