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Frequently Asked Questions about Fast Rolling Doors |
1. The brake slip problem of fast rolling door a. Reason: The compression spring force is reduced. Solution: Replace the spring. b. Reason: The brake pads of the fast rolling door are stained with oil.
Solution: Clean with gasoline.
2. the troubleshooting of the motor of the fast rolling door does not start, Reason: a.The wire is broken. Solution: Find the connected wire. b.The relay coil is broken or oxidized and contaminated. Solution: Replace the relay or polish the contacts. c The normally closed contact of the limit switch is not open. Solution: Polish the contacts or replace the limit switch. d. The bridge rectifier is broken or the electromagnetic coil is broken, and the brake is stuck. Solution: Replace the bridge rectifier or electromagnetic coil. e. Overheating protection fails. Solution: Replace the overheat protector. f. The running capacitor is damaged. Solution: Replace the running capacitor. g. The continuous running time is too long and the thermal protection is disconnected.
Solution: Reduce the motor temperature.
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文章From:http://www.serangabc.com//te_news_news/2021-10-29/39572.chtml |