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Changes for page 10 Malfunctions

Last modified by Iris on 2025/09/08 10:50
From version 1.1
edited by Wecon
on 2025/09/03 21:04
Change comment: Imported from XAR
To version 1.10
edited by Iris
on 2025/09/08 10:50
Change comment: There is no comment for this version

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Author
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1 -XWiki.Wecon
1 +XWiki.Iris
Content
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93 93  |(% style="vertical-align:middle" %)The motor shaft vibrates left and right|Load inertia ratio is too large|After the inertia recognition is complete, performs gain adjustment.
94 94  |(% colspan="3" style="vertical-align:middle" %)After troubleshooting, the servo motor should be able to rotate normally
95 95  
96 -✎**Note: **VD2F does not support monitoring u0-21 and U0-22.
96 +✎**Note: **VD2F and VD2L do not support monitoring u0-21 and U0-22.
97 97  
98 98  == **Torque control mode** ==
99 99  
... ... @@ -139,13 +139,13 @@
139 139  |(% style="vertical-align:middle" %)The motor shaft vibrates left and right|(% style="vertical-align:middle" %)Load inertia ratio is too large|(% style="vertical-align:middle" %)After the inertia recognition is complete, performs gain adjustment.
140 140  |(% colspan="3" %)After troubleshooting, the servo motor should be able to rotate normally
141 141  
142 -✎**Note: **VD2F does not support monitoring u0-21 and U0-22.
142 +✎**Note: **VD2F and VD2L do not support monitoring u0-21 and U0-22.
143 143  
144 144  = **Faults and warnings handling during operation ** =
145 145  
146 146  == **Overview** ==
147 147  
148 -The faults and warnings of Wecon VD2 series servo drives are graded according to their severity, which can be divided into four grades: Category 1, Category 2, Category 3, Category 4. Severity level: Category 1> Category 2> Category 3 > Category 4, the specific classifications are as follows:
148 +The faults and warnings of Wecon VD2 series servo drives are graded according to their severity, which can be divided into four grades: Category 1> Category 2> Category 3 > Category 4. Severity level: Category 1> Category 2> Category 3 > Category 4, the specific classifications are as follows:
149 149  
150 150  * Category 1: faults cannot be cleared;
151 151  * Category 2: faults are clearable;
... ... @@ -229,6 +229,17 @@
229 229  )))|(% style="width:105px" %)No|(% style="width:135px" %)Stop immediately
230 230  |(% style="width:114px" %)Category 1|(% style="width:300px" %)Over current|(% style="width:92px" %)Er.20|(% style="width:330px" %)Servo drive hardware overcurrent|(% style="width:105px" %)No|(% style="width:135px" %)Stop immediately
231 231  |(% style="width:114px" %)Category 1|(% style="width:300px" %)The brake resistor is turned on abnormally|(% style="width:92px" %)Er.24|(% style="width:330px" %)The brake resistor of servo drive is turned on abnormally|(% style="width:105px" %)No|(% style="width:135px" %)Stop immediately
232 +|Category 1| Motor model error|Er.26| Wrong servo motor model|No|Stop immediately
233 +|Category 1| Encoder disconnection|Er.27| Encoder cable wiring errors|No|Stop immediately
234 +|Category 1| Encoder Z-pulse loss|Er.28| Encoder Z-pulse loss|No|Stop immediately
235 +|Category 1| Encoder UVW signal error|Er.30| Encoder UVW signal error|No|Stop immediately
236 +|Category 1| Exceeding the maximum speed of the motor|Er.32| Motor speed exceeding the maximum speed limit|No|Stop immediately
237 +|Category 1| ADC conversion not completed|Er.60| The ADC conversion is abnormal|No|Stop immediately
238 +|Category 1| Internal software fault|Er.61| Abnormality occurred in the internal program of the servo unit|No|Stop immediately
239 +|Category 1| Internal software fault|Er.62| Abnormality occurred in the internal program of the servo unit|No|Stop immediately
240 +|Category 1| Internal software fault|Er.63| Abnormality occurred in the internal program of the servo unit|No|Stop immediately
241 +|Category 1| Internal software fault|Er.64| Abnormality occurred in the internal program of the servo unit|No|Stop immediately
242 +|Category 1| Internal software fault|Er.65| Abnormality occurred in the internal program of the servo unit|No|Stop immediately
232 232  
233 233  **The 2nd category (category 2 for short) clearable faults**
234 234  
... ... @@ -266,6 +266,7 @@
266 266  **The 4th category (category 4 for short) clearable warnings**
267 267  
268 268  |=(% style="width: 100px;" %)**Category**|=(% style="width: 294px;" %)**Error name**|=**Fault code**|=(% style="width: 392px;" %)**Content**|=(% style="width: 96px;" %)**Whether Clearable**|=(% style="width: 115px;" %)**Operation**
280 +|Category 4|Drive over-power alarm|A-80|The driver exceeds the power limit for more than 5 seconds|Yes|Continue to run
269 269  |(% style="width:100px" %)Category 4|(% style="width:294px" %)Overspeed alarm|A-81|(% style="width:392px" %)Motor exceeds the speed limit|(% style="width:96px" %)Yes|(% style="width:115px" %)Continue to run
270 270  |(% style="width:100px" %)Category 4|(% style="width:294px" %)Overload|A-82|(% style="width:392px" %)The motor was run continuously with a torque exceeding the rated value|(% style="width:96px" %)Yes|(% style="width:115px" %)Continue to run
271 271  |(% style="width:100px" %)Category 4|(% style="width:294px" %)Braking resistor is over temperature or overloaded|A-83|(% style="width:392px" %)Braking resistor is over temperature or overloaded|(% style="width:96px" %)Yes|(% style="width:115px" %)Continue to run
... ... @@ -432,6 +432,40 @@
432 432  |(% style="width:492px" %)Check whether there are sources of interference such as power supply inverter equipment nearby|(% style="width:358px" %)Separate strong and weak power as much as possible, with good ground contact between motor and servo drive, and keep away from power cable wiring.
433 433  |(% style="width:226px" %)Servo drive fault|(% style="width:492px" %)Factory reset the parameter (P10-02=1) and power on again. If the servo drive still alarms after multiple operations, it is faulty.|(% style="width:358px" %)If there is still alarm after multiple power-on, contact the technician.
434 434  
447 +**Er.19 Overcurrent**
448 +
449 +
450 +Fault
451 +
452 +|**Servo drive panel display**|**Fault name**
453 +|[[image:1757064155433-166.png]]|Software overcurrent
454 +
455 +Troubleshooting
456 +
457 +|**Reason**|**Troubleshooting methods**|**Handling**
458 +|The UVW phase sequence of motor power cable is incorrect|Check whether the phase sequence of the motor power cable on the servo drive side and motor side corresponds to each other.|Connect correctly according to UVW on the drive side and UVW on the motor side
459 +|Motor power cables are short-circuited|Check whether power cable UVW is short-circuited to PE|Replace motor power cable
460 +|The motor power cable wiring port is poorly contacted|Check whether the motor power cable connection port is connected reliably|Tighten the fixing screws of the motor power cable connection ports
461 +|(% rowspan="4" %)Abnormal braking resistance|Internal brake resistance wiring error: check whether C, D are connected to the short cap and the contact is normal|Connect the short cap or short wire between C and D reliably
462 +|External braking resistor wiring error: Check whether the external resistor is connected reliably between P+ and C.|External braking resistance is reliably strung between P+ and C
463 +|Short-circuit of the built-in brake resistance: Check whether the built-in brake resistance is short-circuited.|(((
464 +Remove the shorting cap between C and D, and reliably string the external braking resistor of equal resistance between P+ and C.
465 +
466 +Contact technician to replace the internal braking resistor
467 +)))
468 +|The resistance value of the external braking resistor is too small: Test the resistance value of the external braking resistor actually selected and compare it with the recommended braking resistor to confirm whether the resistance value of the actual resistor is too small|Choose a suitable external braking resistor
469 +|(% rowspan="3" %)Encoder wiring error; loose plug|Check whether the cable port (CN1) of the encoder is properly connected|Tighten the fixing screws on the CN1 port
470 +|Check whether the servo drive CN1 port jack is deformed|If the cable is deformed, replace the cable or its port
471 +|Check whether both ends of the rectangular connector are reliably connected|Make sure that both ends of the rectangular connector are connected reliably; Replace it with an encoder cable with higher connection reliability.
472 +|(% rowspan="2" %)Unreasonable parameter settings|Check that the 2003-01 load inertia ratio and 2003-02 (load rigidity class) settings are reasonable.|(((
473 +Set 2003-01 (load inertia ratio) to a reasonable
474 +
475 + value and appropriately adjusted 2003-02 (Load Rigidity Level) setting value.
476 +)))
477 +|Check whether the gain parameters are set properly, resulting in overshoot|Adjust gain parameters reasonably
478 +|Frequent acceleration and deceleration|Check whether the acceleration and deceleration motion is frequent or the acceleration and deceleration time is too small|Appropriately extend the acceleration and deceleration time
479 +|Internal servo drive fault|Cross-verification. Use the normal motor, encoder cable to connect to the servo drive, only connect the encoder cable. If the servo drive still alarm, it is failure.|Contact technician for repair
480 +
435 435  **Er.20 Overcurrent**
436 436  
437 437  Fault
... ... @@ -542,7 +542,7 @@
542 542  )))
543 543  |(% style="width:476px" %)The resistance value of the external braking resistor is too large: Check the resistance value of the external braking resistor actually selected and compare it with the recommended braking resistor to confirm whether the resistance value of the actual resistor is too large.|(% style="width:364px" %)Choose a suitable external braking resistor
544 544  |(% style="width:236px" %)The motor is in a state of rapid acceleration and deceleration motion|(% style="width:476px" %)Monitor the servo drive monitoring quantity U0-31 (bus voltage) to confirm whether the voltage exceeds the fault value when the motor is in the deceleration section.|(% style="width:364px" %)Ensure that the input voltage is within specification and increase acceleration and deceleration times
545 -|(% style="width:236px" %)Internal servo drive fault|(% style="width:476px" %)The servo drive is still faulty after power on again|(% style="width:364px" %)Servo drive may be damaged.Contact technician for repair
591 +|(% style="width:236px" %)Internal servo drive fault|(% style="width:476px" %)The servo drive is still faulty after power on again|(% style="width:364px" %)Servo drive may be damaged and contact technician for repair
546 546  
547 547  **Er.23 Braking resistor is not connected**
548 548  
... ... @@ -573,7 +573,7 @@
573 573  |(((
574 574  (% style="text-align:center" %)
575 575  [[image:image-20220709163326-60.png]]
576 -)))|Braking resistor is not connected
622 +)))|**Braking resistor turns on abnormally**
577 577  
578 578  Troubleshooting
579 579  
... ... @@ -600,7 +600,7 @@
600 600  
601 601  VD2-0xxSA1G model: earlier than V1.14.
602 602  
603 -VD2F-0xxSA1P model: earlier than V1.02
649 +VD2F-0xxSA1P model: earlier than V1.01
604 604  )))|(% style="width:362px" %)(((
605 605  VD2-0xxSA1G model: Contact manufacturer to upgrade the firmware to V1.14 and above.
606 606  
... ... @@ -607,7 +607,7 @@
607 607  VD2F-0xxSA1P model: Contact technician to upgrade the firmware to V1.02 and above.
608 608  )))
609 609  
610 -**Er.26 Braking resistor resistance is too large**
656 +**Er.26 Motor model error**
611 611  
612 612  Fault
613 613  
... ... @@ -615,7 +615,9 @@
615 615  |(((
616 616  (% style="text-align:center" %)
617 617  [[image:image-20220709165622-15.png]]
618 -)))|Motor code wrong
664 +)))|(((
665 +**Motor model error**
666 +)))
619 619  
620 620  Troubleshooting
621 621  
... ... @@ -675,7 +675,7 @@
675 675  |=(% style="width: 212px;" %)**Reason**|=(% style="width: 463px;" %)**Troubleshooting methods**|=(% style="width: 401px;" %)**Handling**
676 676  |(% style="width:212px" %)External interference|(% style="width:463px" %)Check that the motor and servo drive are well grounded|(% style="width:401px" %)Motor and servo drive are well grounded
677 677  |(% style="width:212px" %)Encoder cable fault|(% style="width:463px" %)Cross-verification. Use the normal motor, encoder cable to connect to the servo drive.|(% style="width:401px" %)Replace it with an encoder cable with higher connection reliability.
678 -|(% style="width:212px" %)Servo drive fault|(% style="width:463px" %)The servo drive is still faulty after power on again|(% style="width:401px" %)Servo drive may be damaged.Contact technician for repair
726 +|(% style="width:212px" %)Servo drive fault|(% style="width:463px" %)The servo drive is still faulty after power on again|(% style="width:401px" %)Servo drive may be damaged. Contact technician for repair
679 679  
680 680  **Er.31 Power line disconnection**
681 681  
... ... @@ -946,11 +946,11 @@
946 946  Fault
947 947  
948 948  
949 -|=(% style="width: 794px;" %)**Servo drive panel display**|=(% style="width: 627px;" %)**Fault name**
950 -|(% style="width:794px" %) ​​​​​​(((
997 +|=(% style="width: 394px;" %)**Servo drive panel display**|=(% style="width: 529px;" %)**Fault name**
998 +|(% style="width:394px" %) ​​​​​​(((
951 951  (% style="text-align:center" %)
952 -[[image:企业微信截图_16877625944107.png]]
953 -)))|(% style="width:627px" %)Drive overload fault
1000 +[[image:企业微信截图_16877625944107.png||height="57" width="156"]]
1001 +)))|(% style="width:529px" %)Drive overload fault
954 954  
955 955  Troubleshooting
956 956  
... ... @@ -958,6 +958,27 @@
958 958  |The average output power (U0-34) exceeds the limit power (overload 110%) for more than 20 minutes.|Whether the average output power (U0-34) often exceeds the limit (overload 110) Check whether the drive meets the requirements.|Observed whether the U0-34 is often greater than the servo limit power (overload 110%) during servo operation. When ER.43 alarm is found in the process of machine adjustment, please check whether the servo power is suitable. It is recommended to replace the driver model with higher power.
959 959  |Servo drive fault|The servo drive is still faulty after power on again|Servo drive may be damaged, contact the manufacturer's technician for repair.
960 960  
1009 +**Er.44 Return to origin timeout failure**
1010 +
1011 +Fault
1012 +
1013 +(% style="margin-left:auto; margin-right:auto" %)
1014 +|(% style="width:403px" %)**Servo drive panel display**|(% style="width:520px" %)**Fault name**
1015 +|(% style="width:403px" %)(((
1016 +
1017 +
1018 + [[image:1757296062376-469.png||height="61" width="160"]]
1019 +)))|(% style="width:520px" %)Return to origin timeout failure
1020 +
1021 +Troubleshooting
1022 +
1023 +|**Reason**|**Troubleshooting**|**Treatment**
1024 +|(% rowspan="2" %)Return-to-origin switch failure|Checks if the origin regression was always in high-speed search, and not low-speed search;|(% rowspan="2" %) First confirm whether the PI function 26 is set by the P06 group, then check the DI terminal connection, and when manually changing the DI terminal logic, check whether the servo driver receives the corresponding DI level signal through U0-17. If it is not received, it means that the DI switch is wired incorrectly, please wire it correctly; when manually changing the logic of the DI terminal, if there is a received level signal, it means that there is an error in the origin regression operation, please operate it correctly.
1025 +| Checks if the origin regression high-speed search has been in the reverse low-speed search process.
1026 +|The speed of searching for the origin switch signal at high speed is too small|Check if the P01-41 setting value is too small|Servo drive may be damaged, contact manufacturer technician for repair.
1027 +|(% rowspan="2" %)Unreasonable hardware switch settings|Confirm whether the limit switch signals on both sides are in valid at the same time;|(% rowspan="2" %)Set hardware switch positions reasonably.
1028 +|Confirm whether a certain limit switch signal is valid at the same time as the deceleration point signal or the origin signal.
1029 +
961 961  **Er.45 Drive Blocking Overtemperature Protection**
962 962  
963 963  Fault
... ... @@ -973,9 +973,6 @@
973 973  |=Reason|=Troubleshooting|=Treatment
974 974  |Check whether U0-39 load torque percentage exceeds the maximum torque of the motor for 3 seconds or observe whether the load torque at the waveform interface of the oscilloscope of the upper computer is greater than the maximum torque of the motor and the motor is blocked.|Check whether U0-39 load torque percentage exceeds the maximum torque of the motor, and observe whether the motor is stuck.|Observable maximum torque observe whether the load torque on the waveform interface of the host computer oscilloscope is greater than the motor maximum torque or check whether U0-39 load torque percentage exceeds the motor maximum torque for 3 seconds.
975 975  
976 -(% style="text-align:center" %)
977 -[[image:1687762670698-912.png]]
978 -
979 979  **Er.60 ADC conversion is not complete**
980 980  
981 981  Fault
... ... @@ -1087,8 +1087,25 @@
1087 1087  
1088 1088  )))|Check whether the average output power (U0-34) exceeds the limit (overload 110) The average output power (U0-34) exceeds the limit power (overload 110%) for more than 5 minutes. Check whether the U0-34 exceeds 110% of the rated power of the driver.|Check whether the U0-34 exceeds 110% of the rated power of the driver. When A80 alarm is found in the process of machine adjustment, please check whether the servo power is suitable.
1089 1089  
1090 -(% style="text-align:center" %)
1091 -[[image:1687763249516-252.png]]
1156 +(% style="margin-left:auto; margin-right:auto" %)
1157 +|**Servo-drive Model**|**Power rating/W**|**Limit power/W（110%overload）**
1158 +|VD2-010SA1G/SA1H|400|440
1159 +|VD2-014SA1G/SA1H|750|825
1160 +|VD2-016SA1G/SA1H|1500|1650
1161 +|VD2-019SA1G/SA1H|2300|2530
1162 +|VD2-021SA1G/SA1H|2300|2530
1163 +|VD2-025SA1G/SA1H|2600|2860
1164 +|VD2-030SA1G/SA1H|2600|2860
1165 +|VD2F-010SA1P|400|440
1166 +|VD2F-014SA1P|750|825
1167 +|VD2-016TA1G/TA1H|1500|1650
1168 +|VD2-019TA1G/TA1H|2000|2200
1169 +|VD2-021TA1G /TA1H|3000|3300
1170 +|VD2-030TA1G|4000|4400
1171 +|VD2-040TA1G|6000|6600
1172 +|VD2-050TA1G|7500|8250
1173 +|VD2L-010SA1P|400|440
1174 +|VD2L-014SA1P|750|825
1092 1092  
1093 1093  **A-81 Overspeed alarm**
1094 1094  
... ... @@ -1171,7 +1171,9 @@
1171 1171  |(% style="width:454px" %)(((
1172 1172  (% style="text-align:center" %)
1173 1173  [[image:image-20220709171124-11.png]]
1174 -)))|(% style="width:621px" %)Modified parameters that need to be powered on again to take effect
1257 +)))|(% style="width:621px" %)(((
1258 +Parameter modification that needs to be powered on again
1259 +)))
1175 1175  
1176 1176  Troubleshooting
1177 1177  
... ... @@ -1178,26 +1178,6 @@
1178 1178  |=(% style="width: 316px;" %)**Reason**|=(% style="width: 541px;" %)**Troubleshooting methods**|=(% style="width: 219px;" %)**Handling**
1179 1179  |(% style="width:316px" %)Modified the effective timing to "power on again" parameter.|(% style="width:541px" %)Check whether the servo drive has modified the parameter with the effective time "power on again".|(% style="width:219px" %)Power on again
1180 1180  
1181 -**A-85 Receive position pulse when servo is OFF**
1182 -
1183 -Fault
1184 -
1185 -|=(% style="width: 465px;" %)**Servo drive panel display**|=(% style="width: 610px;" %)**Fault name**
1186 -|(% style="width:465px" %)(((
1187 -(% style="text-align:center" %)
1188 -[[image:image-20220709171137-12.png]]
1189 -)))|(% style="width:610px" %)Receive position pulse when servo is OFF
1190 -
1191 -Troubleshooting
1192 -
1193 -|=(% style="width: 270px;" %)**Reason**|=(% style="width: 502px;" %)**Troubleshooting methods**|=(% style="width: 304px;" %)**Handling**
1194 -|(% style="width:270px" %)Servo received position pulse when it is OFF.|(% style="width:502px" %)Check whether the servo drive is in the OFF state, and check whether the host computer is sending pulse instruction.|(% rowspan="2" style="width:304px" %)The host computer stops sending pulse instructions.
1195 -|(% style="width:270px" %)Servo received pulse instruction in non-position mode|(% style="width:502px" %)(((
1196 -Check whether the servo drive P00-01 (control mode) is in position mode;
1197 -
1198 -Check whether the host computer is sending pulse instructions
1199 -)))
1200 -
1201 1201  **A-86 Input pulse frequency is too high**
1202 1202  
1203 1203  Fault
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