Skip to Content

Changes for page 10 Malfunctions

Last modified by Iris on 2026/04/17 16:14
From version 3.1
edited by Iris
on 2026/04/17 16:12
Change comment: There is no comment for this version
To version 1.2
edited by Iris
on 2025/09/05 17:01
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -229,17 +229,6 @@
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
243 243  
244 244  **The 2nd category (category 2 for short) clearable faults**
245 245  
... ... @@ -277,7 +277,6 @@
277 277  **The 4th category (category 4 for short) clearable warnings**
278 278  
279 279  |=(% 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
281 281  |(% 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
282 282  |(% 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
283 283  |(% 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
... ... @@ -444,40 +444,6 @@
444 444  |(% 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.
445 445  |(% 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.
446 446  
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 -
481 481  **Er.20 Overcurrent**
482 482  
483 483  Fault
... ... @@ -588,7 +588,7 @@
588 588  )))
589 589  |(% 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
590 590  |(% 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
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
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
592 592  
593 593  **Er.23 Braking resistor is not connected**
594 594  
... ... @@ -619,7 +619,7 @@
619 619  |(((
620 620  (% style="text-align:center" %)
621 621  [[image:image-20220709163326-60.png]]
622 -)))|**Braking resistor turns on abnormally**
576 +)))|Braking resistor is not connected
623 623  
624 624  Troubleshooting
625 625  
... ... @@ -646,7 +646,7 @@
646 646  
647 647  VD2-0xxSA1G model: earlier than V1.14.
648 648  
649 -VD2F-0xxSA1P model: earlier than V1.01
603 +VD2F-0xxSA1P model: earlier than V1.02
650 650  )))|(% style="width:362px" %)(((
651 651  VD2-0xxSA1G model: Contact manufacturer to upgrade the firmware to V1.14 and above.
652 652  
... ... @@ -653,7 +653,7 @@
653 653  VD2F-0xxSA1P model: Contact technician to upgrade the firmware to V1.02 and above.
654 654  )))
655 655  
656 -**Er.26 Motor model error**
610 +**Er.26 Braking resistor resistance is too large**
657 657  
658 658  Fault
659 659  
... ... @@ -661,9 +661,7 @@
661 661  |(((
662 662  (% style="text-align:center" %)
663 663  [[image:image-20220709165622-15.png]]
664 -)))|(((
665 -**Motor model error**
666 -)))
618 +)))|Motor code wrong
667 667  
668 668  Troubleshooting
669 669  
... ... @@ -723,7 +723,7 @@
723 723  |=(% style="width: 212px;" %)**Reason**|=(% style="width: 463px;" %)**Troubleshooting methods**|=(% style="width: 401px;" %)**Handling**
724 724  |(% 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
725 725  |(% 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.
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
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
727 727  
728 728  **Er.31 Power line disconnection**
729 729  
... ... @@ -830,19 +830,11 @@
830 830  
831 831  |=(% style="width: 299px;" %)**Reason**|=(% style="width: 457px;" %)**Troubleshooting methods**|=(% style="width: 320px;" %)**Handling**
832 832  |(% style="width:299px" %)The electronic gear ratio setting is greater than the settable range|(% style="width:457px" %)(((
833 -Check that the ratio of function codes P01-17/P01-18, P01-19/P00-20 is in the following range.
785 +Check that the ratio of function codes P00-17/P00-18, P00-19/P00-20 is in the following range.
834 834  
835 -17bit absolute encoder upper limit value:
787 +17bit absolute encoder upper limit value: 500.
836 836  
837 -VD2, VD2F, 13108;
838 -
839 -VD2:1311
840 -
841 -23bit absolute encoder upper limit value:
842 -
843 -VD2, VD2F: 838861;
844 -
845 -VD2L: 83887
789 +23bit absolute encoder upper limit value: 32000
846 846  )))|(% rowspan="2" style="width:320px" %)After modifying the corresponding function code according to the range, set P10-03 (fault clearance) to 1.
847 847  |(% style="width:299px" %)The electronic gear ratio setting is less than the settable range|(% style="width:457px" %)(((
848 848  Check that the ratio of function codes P00-17/P00-18, P00-19/P00-20 is in the following range.
... ... @@ -959,7 +959,7 @@
959 959  Troubleshooting
960 960  
961 961  |=(% style="width: 361px;" %)**Reason**|=(% style="width: 395px;" %)**Troubleshooting methods**|=(% style="width: 320px;" %)**Handling**
962 -|(% style="width:361px" %)Multi-turn absolute encoder is not connected to the battery during the power off of the servo drive|(% style="width:395px" %)Check if the encoder is connected to the battery during the power off of the servo|(% style="width:320px" %)After setting P10-06 (multi-turn absolute encoder reset) to 1, set P10-03 (clear fault) to 1.
906 +|(% style="width:361px" %)Multi-turn absolute encoder is not connected to the battery during the power off of the servo drive|(% style="width:395px" %)Check if the encoder is connected to the battery during the power off of the servo|(% style="width:320px" %)Set P10-03 (Fault clearing) to 1
963 963  |(% style="width:361px" %)The voltage of multi-turn absolute encoder battery is low|(% style="width:395px" %)Measure battery voltage|(% style="width:320px" %)Contact technicians to replace with a new encoder battery
964 964  
965 965  **Er.41 Motor (encoder) over temperature**
... ... @@ -1002,11 +1002,11 @@
1002 1002  Fault
1003 1003  
1004 1004  
1005 -|=(% style="width: 394px;" %)**Servo drive panel display**|=(% style="width: 529px;" %)**Fault name**
1006 -|(% style="width:394px" %) ​​​​​​(((
949 +|=(% style="width: 794px;" %)**Servo drive panel display**|=(% style="width: 627px;" %)**Fault name**
950 +|(% style="width:794px" %) ​​​​​​(((
1007 1007  (% style="text-align:center" %)
1008 -[[image:企业微信截图_16877625944107.png||height="57" width="156"]]
1009 -)))|(% style="width:529px" %)Drive overload fault
952 +[[image:企业微信截图_16877625944107.png]]
953 +)))|(% style="width:627px" %)Drive overload fault
1010 1010  
1011 1011  Troubleshooting
1012 1012  
... ... @@ -1014,48 +1014,6 @@
1014 1014  |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.
1015 1015  |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.
1016 1016  
1017 -|**Servo drive model**|**Rated power/W**|**Limited power/W（110% overload）**
1018 -|VD2-010SA1G/SA1H|400|440
1019 -|VD2-014SA1G/SA1H|750|825
1020 -|VD2-016SA1G/SA1H|1500|1650
1021 -|VD2-019SA1G/SA1H|2300|2530
1022 -|VD2-021SA1G/SA1H|2300|2530
1023 -|VD2-025SA1G/SA1H|2600|2860
1024 -|VD2-030SA1G/SA1H|2600|2860
1025 -|VD2-016TA1G/TA1H|1500|1650
1026 -|VD2-019TA1G/TA1H|2000|2250
1027 -|VD2-021TA1G/TA1H|3000|3300
1028 -|VD2-030TA1G|4000|4400
1029 -|VD2-040TA1G|6000|6600
1030 -|VD2-050TA1G|7500|8250
1031 -|VD2L-003SA1P|100|110
1032 -|VD2L-010SA1P/SA1D|400|440
1033 -|VD2L-014SA1P/SA1D|750|825
1034 -|VD2F-003SA1P|100|110
1035 -|VD2F-010SA1P|400|440
1036 -|VD2F-014SA1P|750|825
1037 -
1038 -**Er.44 Return to origin timeout failure**
1039 -
1040 -Fault
1041 -
1042 -(% style="margin-left:auto; margin-right:auto" %)
1043 -|(% style="width:403px" %)**Servo drive panel display**|(% style="width:520px" %)**Fault name**
1044 -|(% style="width:403px" %)(((
1045 -
1046 -
1047 - [[image:1757296062376-469.png||height="61" width="160"]]
1048 -)))|(% style="width:520px" %)Return to origin timeout failure
1049 -
1050 -Troubleshooting
1051 -
1052 -|**Reason**|**Troubleshooting**|**Treatment**
1053 -|(% 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.
1054 -| Checks if the origin regression high-speed search has been in the reverse low-speed search process.
1055 -|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.
1056 -|(% 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.
1057 -|Confirm whether a certain limit switch signal is valid at the same time as the deceleration point signal or the origin signal.
1058 -
1059 1059  **Er.45 Drive Blocking Overtemperature Protection**
1060 1060  
1061 1061  Fault
... ... @@ -1071,6 +1071,9 @@
1071 1071  |=Reason|=Troubleshooting|=Treatment
1072 1072  |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.
1073 1073  
976 +(% style="text-align:center" %)
977 +[[image:1687762670698-912.png]]
978 +
1074 1074  **Er.60 ADC conversion is not complete**
1075 1075  
1076 1076  Fault
... ... @@ -1182,26 +1182,8 @@
1182 1182  
1183 1183  )))|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.
1184 1184  
1185 -|**Servo-drive model**|**Rated power /W**|**Limited power/W (110%overload)**
1186 -|VD2-010SA1G/SA1H|400|440
1187 -|VD2-014SA1G/SA1H|750|825
1188 -|VD2-016SA1G/SA1H|1500|1650
1189 -|VD2-019SA1G/SA1H|2300|2530
1190 -|VD2-021SA1G/SA1H|2300|2530
1191 -|VD2-025SA1G/SA1H|2600|2860
1192 -|VD2-030SA1G/SA1H|2600|2860
1193 -|VD2F-003SA1P|100|110
1194 -|VD2F-010SA1P|400|440
1195 -|VD2F-014SA1P|750|825
1196 -|VD2-016TA1G/TA1H|1500|1650
1197 -|VD2-019TA1G/TA1H|2000|2200
1198 -|VD2-021TA1G /TA1H|3000|3300
1199 -|VD2-030TA1G|4000|4400
1200 -|VD2-040TA1G|6000|6600
1201 -|VD2-050TA1G|7500|8250
1202 -|VD2L-003SA1P|100|110
1203 -|VD2L-010SA1P/SA1D|400|440
1204 -|VD2L-014SA1P/SA1D|750|825
1090 +(% style="text-align:center" %)
1091 +[[image:1687763249516-252.png]]
1205 1205  
1206 1206  **A-81 Overspeed alarm**
1207 1207  
... ... @@ -1284,9 +1284,7 @@
1284 1284  |(% style="width:454px" %)(((
1285 1285  (% style="text-align:center" %)
1286 1286  [[image:image-20220709171124-11.png]]
1287 -)))|(% style="width:621px" %)(((
1288 -Parameter modification that needs to be powered on again
1289 -)))
1174 +)))|(% style="width:621px" %)Modified parameters that need to be powered on again to take effect
1290 1290  
1291 1291  Troubleshooting
1292 1292  
... ... @@ -1293,6 +1293,26 @@
1293 1293  |=(% style="width: 316px;" %)**Reason**|=(% style="width: 541px;" %)**Troubleshooting methods**|=(% style="width: 219px;" %)**Handling**
1294 1294  |(% 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
1295 1295  
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 +
1296 1296  **A-86 Input pulse frequency is too high**
1297 1297  
1298 1298  Fault
1757064155433-166.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Iris
Size
... ... @@ -1,1 +1,0 @@
1 -2.9 KB
Content
1757296062376-469.png
Author
... ... @@ -1,1 +1,0 @@
1 -XWiki.Iris
Size
... ... @@ -1,1 +1,0 @@
1 -18.2 KB
Content