答：由于沉水風機在水下的特殊性，很多多年的合作客戶經常咨詢沉水風機的維修、保養、故障問題。今天，我們便將沉水風機的常見故障與解決方法整理總結，分享給大家！

　　沉水風機在運行過程會出現通電無法啟動、運轉中突然停轉、不出水、電流過大、振動明顯、有噪音等現象，將從這些問題進行分析并找出解決的方法。若本文有可能幫助到您，請您收藏一下。以后再遇到沉水鼓風機出現這些癥狀，直接從收藏夾里翻出這篇文章，一對一診斷。

　　通電沉水風機無法啟動

　　1. 故障原因

　　(1)電源異常。

　　(2)電源電壓太低。

　　(3)電源電纜斷裂，插頭損壞。

　　(4)電源缺相。

　　(5)電機繞組燒損。

　　(6)雜物堵塞、卡死葉輪。

　　2. 解決方法

　　(1)待電源正常后，重新啟動。

　　(2)正常時，電源電壓三相相間電壓為 350-400V，單相電壓為 200-240V之間。否則，應設法恢復后，再啟動使用。

　　(3)更換損壞的電纜或插頭。

　　(4)查出缺相部位，更換損壞開關、熔斷器、電機引出線。

　　(5)重新繞制燒損繞組。

　　(6)清除雜物，但須注意不要破壞葉輪的平衡。葉輪中心螺絲有些是反絲的，拆卸時要注意。

　　沉水風機運轉中突然停轉

　　1. 故障原因

　　(1)保護動作，空氣開關跳閘或熔斷器熔斷。

　　(2)電機繞組燒損。

　　(3)葉輪被雜物卡死。

　　2. 解決方法

　　(1)查明保護動作原因，消除故障后更換熔斷器。

　　(2)重新繞制繞組。

　　(3)清除雜物，注意不要破壞葉輪平衡。

　　沉水風機不曝氣

　　1.故障原因

　　(1)電機無法啟動。

　　(2)濾水網被雜物堵塞。

　　(3)出水管道松脫、堵塞、破裂。

　　(4)吸水口露出水面。

　　(5)機體密封損壞。

　　(6)風機轉動方向反向。

　　(7)轉子和軸松脫打滑。

　　2.解決方法

　　(1)按無法啟動檢查處理。

　　(2)清除濾水網上雜物。

　　(3)檢查出水管道，對癥處理。

　　(4)調整沉水風機位置。

　　(5)更換損壞的密封部件。

　　(6)調整電源任意兩相接線，改變相序;單相電機改變接線。

　　(7)排除松脫、打滑。

　　沉水風機運轉中電流過大

　　1.故障原因

　　(1)電機超載。

　　(2)軸承、軸套等的密封件損壞。

　　(3)軸彎曲。

　　2.解決方法

　　(1)調整抽水揚程。

　　(2)更換同規格密封件。

　　(3)重新校正軸或更換。

　　振動增大，超出允許范圍內

　　1.故障原因

　　(1)風機中緊固件松動。

　　(2)電機轉子或葉輪平衡被破壞。

　　(3)轉動部分有雜物。

　　2.解決方法

　　(1)檢查并緊固所有緊固部件。

　　(2)重新校正水泵平衡。

　　(3)清除雜物。

　　沉水風機通電后“嗡嗡”響，卻不正常工作

　　1.故障原因

　　電容器損壞。

　　2.解決方法

　　更換損壞電容器，更換時注意不要讓泵內的冷卻油滿出，并要擰緊相關螺絲。

　　如遇上述問題，可參照本文中提到的解決方法檢查沉水風機，若沉水風機問題嚴重的話，可咨詢生產廠家進行維修。

      由于沉水風機安裝在水下，后期的維護保養較為繁瑣，為幫助各位客戶解決沉水風機的維護保養難題。瑞柘環保推出了上門維護保養服務！若您所使用的沉水式鼓風機，出現了無法正常運轉的問題，可以聯系我們進行維護保養或維修！

　　A: Due to the particularity of submerged fan under water, many years of cooperative customers often consult the problems of maintenance, maintenance and failure of submerged fan. Today, we will sort out and summarize the common faults and solutions of submerged fan and share them with you!

　　During operation of submerged fan, phenomena such as power failure, sudden stop in operation, no water supply, excessive current, obvious vibration and noise will occur. The problems will be analyzed and solutions will be found. If this article is likely to help you, please collect it. I will encounter these symptoms again later on with the submerged blower and turn this article directly out of my favorite folder for one-on-one diagnosis.

　　Power-on submerged fan can not start

　　1. Cause of failure

　　(1) Abnormal power supply.

　　(2) The supply voltage is too low.

　　(3) The power cable is broken and the plug is damaged.

　　(4) The power supply is out of phase.

　　(5) Loss of motor winding.

　　(6) Impeller is blocked and stuck by debris.

　　2. Solution

　　(1) Restart after the power supply is normal.

　　(2) In normal condition, the three-phase voltage of power supply is 350-400V and the single-phase voltage is 200-240V. Otherwise, try to restore before starting use.

　　(3) Replace damaged cables or plugs.

　　(4) Find out the missing phase and replace damaged switch, fuse and motor leads.

　　(5) Rewinding burnt winding.

　　(6) Remove foreign matters, but care must be taken not to destroy the balance of the impeller. Some of the central screws of the impeller are reversed, which should be paid attention to when removing.

　　Submerged fan

　　Sudden stop of submerged fan in operation

　　1. Cause of failure

　　(1) Protection action, air switch tripping or fuse fusing.

　　(2) Loss of motor winding.

　　(3) The impeller was stuck by debris.

　　2. Solution

　　(1) Find out the cause of protective action and replace fuse after eliminating faults.

　　(2) Rewinding.

　　(3) Remove debris and take care not to destroy the balance of impeller.

　　No aeration of submerged fan

　　1. Cause of failure

　　(1) The motor can not be started.

　　(2) The water filter is blocked by debris.

　　(3) The outlet pipe is loose, blocked or broken.

　　(4) Water suction openings are exposed.

　　(5) Seal of the body is damaged.

　　(6) Fan rotates in opposite direction.

　　(7) The rotor and shaft are loose and slip.

　　2. Solution

　　(1) Press can not start the inspection process.

　　(2) Remove debris from the water filter screen.

　　(3) Check water outlet pipeline and treat it symptomatically.

　　(4) Adjust the position of submerged fan.

　　(5) Replace damaged sealing parts.

　　(6) Adjust any two-phase wiring of the power supply and change the phase sequence; Single-phase motor changes wiring.

　　(7) Eliminate loosening and slipping.

　　Excessive current in operation of submerged fan

　　1. Cause of failure

　　(1) Motor overload.

　　(2) Damage to seals of bearings, bushings, etc.

　　(3) Shaft bending.

　　2. Solution

　　(1) Adjust the pump head.

　　(2) Replace seals of the same specification.

　　(3) Re-correct shaft or replace it.

　　Increased vibration beyond allowable range

　　1. Cause of failure

　　(1) The fasteners in the fan are loose.

　　(2) The balance of motor rotor or impeller is destroyed.

　　(3) There are foreign matters in the rotating part.

　　2. Solution

　　(1) Check and tighten all fastening parts.

　　(2) Re-correct pump balance.

　　(3) Remove foreign matters.

　　"Buzzing" of submerged fan after energizing, but it does not work properly

　　1. Cause of failure

　　Capacitor damaged.

　　2. Solution

　　Replace the damaged capacitor, take care not to let the cooling oil in the pump overflow when replacing, and tighten the relevant screws.

　　In case of the above problems, check the submerged fan according to the solutions mentioned in this paper. If the problems are serious, consult the manufacturer for repair.

　　Because the submerged fan is installed under water, the maintenance in later period is tedious. To help customers solve the maintenance problems of submerged fan. Rye Environmental launched on-site maintenance services! If the submerged blower you are using has trouble running properly, you can contact us for maintenance or repair!