鉗道管漏水：是由于使用活檢鉗等附件不當造成鉗道破損，屬 C 級修理 。

Leakage of forceps: It is caused by improper use of biopsy forceps and other accessories, resulting in damage to the forceps and classified as a C-level repair.

導管束斷：使用年限較長，彎曲管不良造成，屬 C+ 導光束級修理 。

Tube bundle breakage: caused by long service life and poor bending of the tube, it belongs to C+beam level repair.

彎曲角度不到位：鋼絲前端斷：使用年限長，磨損造成， C 級修理 。

Inadequate bending angle: Broken front end of steel wire: Long service life, caused by wear and tear, C-level repair.

彎曲角度不到位：鋼絲后端脫焊和使用一定時間后鋼絲變長，D 級修理，

Inadequate bending angle: The rear end of the steel wire is detached and the steel wire becomes longer after a certain period of use, D-level repair,

（在彎曲好的情況）。

(In a well bent condition).

彎曲橡皮漏水：碰傷造成比較多， D 級修理更換專用橡皮即可 。

Bending rubber leakage: It is caused by more scratches. D-level repair can replace the specialized rubber.

噴嘴堵塞：清洗不干凈， D 級修理更換噴嘴 。

Nozzle blockage: cleaning not clean, D-level repair to replace nozzle.

導像束黑點多或龜裂：纖維鏡使用年限長或保養(yǎng)不當造成，A 級修理 。

Multiple black spots or cracks in the imaging beam: caused by long service life or improper maintenance of the fiber mirror, A-level repair.

電子內(nèi)窺鏡鏡頭模糊：具體故障需經(jīng)漏水測試，烘干，拆鏡檢查仔細判別才能定如何修理（嚴重時要做 A 級修理）。

The lens of the electronic endoscope is blurry: specific faults need to be carefully judged through water leakage testing, drying, and disassembly inspection before determining how to repair (in severe cases, A-level repair should be performed).

電子鏡打角度時有網(wǎng)狀出現(xiàn)：使用年限長 CCD 根部導線斷造成，那一定要做 A 級大修。

When adjusting the angle of the electronic mirror, there is a mesh like appearance: it is caused by a broken wire at the root of the CCD due to its long service life. Therefore, it is necessary to undergo an A-level major repair.