List of 100 common failures of excavators

excavator2months agoExcavator maintenance33

Example 101. Automatic speed reduction does not work

Example 102. The automatic engine preheating device does not work

Example 103. The preheater does not work

Example 104. All working devices, slewing and walking cannot be moved

Example 105. The touch afterburner switch does not work

Example 106. The monitor panel has no display at all

Example 107. Part of the display on the monitor panel is missing

Example 108. The display on the monitor panel has nothing to do with the model

Example 109. When the engine is running, the fuel level monitoring red light is on

Example 110. Engine coolant thermometer does not display correctly

Example 111. The hydraulic oil thermometer does not display correctly (multi-function monitor only)

Example 112. But the oil gauge can’t display correctly

Example 113. The rotation lock monitor does not display correctly

Example 114. When the control switch is operated, the display does not appear

Example 115. Windshield wipers are not working

Example 116. The alarm buzzer cannot be eliminated

Example 117. "Boom lift" is not displayed correctly in the monitoring function

Example 118. "Boom down" is not displayed correctly in the monitoring function

Example 119. "Stick digging" cannot be displayed correctly in the monitoring function

Example 120. "Stick unloading" cannot be displayed correctly in the monitoring function

Example 121. "Bucket digging" cannot be displayed correctly in the monitoring function

Example 122. "Bucket unloading" is not displayed correctly in the monitoring function

Example 123. "Swivel" cannot be displayed correctly in the monitoring function

Example 124. "Walking" is not in the monitoring function

Example 125. "Walking pressure difference" cannot be displayed correctly in the monitoring function

Example 126. "Spare" is not displayed correctly in the monitoring function

Example 127. The air conditioner is not working

Example 128. Walking alarm does not sound

Example 129. The power of all working devices is insufficient, or the walking and rotating speeds are slow

Example 130. The engine speed is significantly reduced or the engine stalls

Example 131. The working device, walking or slewing cannot be moved

Example 132. Hear abnormal operation around the hydraulic pump

Example 133. Automatic speed reduction does not work

Example 134. Precise control mode does not work

Example 135. Slow boom movement or insufficient power

Example 136. Stick movement is slow or insufficient power

Example 137. Slow bucket movement or insufficient power

Example 138. The working device cannot be moved during a single operation

Example 139. The hydraulic drift of the working device is a bit too fast

Example 140. Long working device lag time

Example 141. When a single oil circuit overflows, other working devices move

Example 142. The touch afterburner switch does not work

Example 143. In compound work, the working device moves slowly under load

Example 144. The boom moves slowly during the swing + boom "lift" operation

Example 145. The walking speed is significantly reduced in the slewing + walking operation

Example 146. Wandering when the machine is walking

Example 147. The machine walks slowly

Example 148. The machine is not easy to steer or has insufficient power

Example 149. The walking speed cannot be changed, or the speed is too slow or too fast

Example 150. Can't walk (only on one side)

Example 151. The machine cannot turn

Example 152. Low slewing acceleration performance, or slow slewing speed

Example 153. The overtravel is too large when the slewing stops

Example 154. Great impact when turning stops

Example 155. The abnormal noise is large when the rotation stops

Example 156. The natural drift of the rotation is too large

Example 157. Turn on the key switch, the alarm display code E2: 32 or E2: 36

Example 158. Turn on the key, and the instrument panel will display the code E2: 33 or E2: 37

Example 159. The key switch is ON, the meter displays the code E2: 03

Example 160. Turn on the key, display code E2: 13

Example 161. Key switch ON: The display code is E2: 17

Example 162. Key switch ON, display code E2: 218

Example 163. Key switch ON, display code E2: 22

Example 164. Display code: E2: 32

Example 165. Display fault code E2: 24 or E2: 25

Example 166. Display fault code: E2: 26

Example 167. Display code E2: 27

Example 168. [E2: 28] Display the abnormality of the automatic deceleration output system

Example 169. Rotation without self-acceleration

Example 170. No automatic acceleration when walking

Example 171. No automatic acceleration when the boom is lowered

Example 172. No automatic acceleration when boom rises

Example 173. Stick retracted without idling

Example 174. Stick out without automatic idling

Example 175. Bucket roll up without automatic acceleration

Example 176. Bucket unloading without automatic acceleration

Example 177. No automatic acceleration in kerosene mode

Example 178. Rotary switch failure

Example 179. Low speed or lack of power for all working devices, turning, and walking

Example 180. The working device, walking, and slewing will not move

Example 181. Produce abnormal noise (around the oil pump)

Example 182. Automatic deceleration does not work (when PPC shuttle valve is the cause of the failure)

Example 183. Low boom speed or lack of power

Example 184. Low bucket speed or lack of power

Example 185. The working device (boom, bucket, bucket) does not move (but walking and rotation are normal)

Example 186. Hydraulic deviation is too large (boom, stick, bucket)

Example 187. The time lag is too large (the engine is at low idle speed)

Example 188. When the pressure is rising, the state is normal, and the fault is repaired when the rotary first-pass mode is disconnected.

Example 189. In L/O, F/O mode, the speed of the working device is faster than the speed

Example 190. In compound operation, the working device with a larger load has a low speed

Example 191. When turning + boom lifting, boom lifting is slow

Example 192. Walking deviation

Example 193. Low walking speed

Example 194. Difficulty steering or lack of power

Example 195. The walking speed cannot be changed or is faster than the rated speed

Example 196. Can't walk (only one side moves)

Example 197. Can't turn around

Example 198. Poor rotation acceleration or low rotation speed (left and right rotation, only one direction)

Example 199. Too much excess when turning braking

Example 200. Vibration is too large when turning and braking (only one side is the same)


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