1. Imported hydraulic wrench cylinder can not be pressurized
故障原因：①活塞密封圈或端帽密封圈受損；② 固定螺絲斷裂；③接頭不完整。
Causes of failure: 1. The piston seal ring or end cap seal ring is damaged; 2. The fixing screw is broken; 3. The joint is incomplete.
解決方法：①更換有新的的密封圈；②更換新的的螺絲；③更換有完整的接頭。
Solutions: 1. Replacement of new sealing rings; 2. Replacement of new screws; 3. Replacement of complete joints.
2、棘輪不轉動
2. Ratchet does not rotate
故障原因：①棘輪齒或棘爪里潤滑油或污物太多；②棘輪齒或棘爪有斷裂或破損的情況；③驅動架開裂 。
The reasons for the failure are: (1) too much lubricant or dirt in ratchet teeth or pawls; (2) the ratchet teeth or pawls are broken or damaged; (3) the drive frame is cracked.
解決方法：①拆開棘輪，潤滑油或污物；②更換斷裂或破損的部件；③更換驅動架。
Solutions: 1. Dismantling ratchets, lubricants or dirt; 2. Replacing broken or damaged parts; 3. Replacing drive frame.
3、開啟后扳手立即繃緊
3. Tighten the wrench immediately after opening
故障原因：油管連接反了。
Cause of failure: The tubing connection is reversed.
解決方法：按下前按鈕放開扳手 ；關閉泵，并將油管掉換過來。
Solution: Press the front button to release the wrench; close the pump and replace the tubing.
4、泵不能加壓
4. Pump cannot be pressurized
故障原因：①釋放閥門有缺陷；②空氣供應太低或空氣軟管太細；③ 電壓太低；④儀表有缺陷；⑤油面太低；⑥濾油器阻塞。
Failure reasons: 1) defective release valve; 2) too low air supply or too thin air hose; 3) too low voltage; 4) defective instrumentation; 5) too low oil level; 5) blockage of oil filter.
解決方法：①檢查、調整或更換釋放閥門；②確保空氣供應和軟管的尺寸與泵使用手冊規定一致；③要確保電壓、電流和延長線尺寸與泵使用手冊上的要求一致；④更換儀表；⑤檢查并注滿泵的油箱；⑥檢查更換泵濾油器。5、壓力顯示不穩定
Solutions: 1. Check, adjust or replace the release valve; 2. Ensure that the dimensions of air supply and hose are in accordance with the requirements of the pump manual; 3. Ensure that the dimensions of voltage, current and extension line are in accordance with the requirements of the pump manual; 4. Replace the instrument; 5. Inspect and fill the tank of the pump; 5. Inspect and replace the pump oil filter. 5. Pressure display instability
儀表有缺陷。解決方法：更換儀表。
The instrument is defective. Solution: Replace the instrument.
6、泵加壓慢
6. Pump Pressure Slow
① 電磁閥的閥芯密封圈磨損；②液壓油里進入空氣。
The valve core seal ring of solenoid valve is worn; the air enters the hydraulic oil.
解決方法：①更換閥芯密封圈；②排除液壓油里空氣。
Solutions: 1. Replacement of valve core sealing ring; 2. Elimination of air in hydraulic oil.
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