Changes for page 10 Malfunctions

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1		-XWiki.Stone
	1	+XWiki.Jim

Content

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19	19	)))
20	20	|(% style="vertical-align:middle; width:163px" %)Control the supply voltage failure|(% style="vertical-align:middle" %)Measures the AC voltage between L1C &L2C.
21	21	|(% style="vertical-align:middle; width:163px" %)Servo drive fault|(% style="vertical-align:middle" %)Contact the agent or customer service
22		-|(% style="vertical-align:middle; width:213px" %)Panel display “Er.xx”|(% colspan="2" style="vertical-align:middle; width:1118px" %)Refer to [[10.2 Handling of faults and warnings during operation>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/10%20Malfunctions/#HFaultsandwarningshandlingduringoperation]]
	22	+|(% style="vertical-align:middle; width:213px" %)Panel display “Er.xx”|(% colspan="2" style="vertical-align:middle; width:1118px" %)Refer to [[10.2 Handling of faults and warnings during operation>>||anchor="HFaultsandwarningshandlingduringoperation"]]
23	23	|(% colspan="3" style="vertical-align:middle" %)After removing the fault, the servo drive panel should display "rdy"
24	24	|(% rowspan="4" style="vertical-align:middle" %)Servo drive enable signal is valid(S-ON is ON)|(% rowspan="2" style="vertical-align:middle; width:213px" %)The axis of servo motor is in a free running state|(% style="vertical-align:middle; width:163px" %)Servo enable signal is invalid|(% style="vertical-align:middle" %)(((
25		-✎Check whether group P06 is set the servo enable signal (DI function 1: S-ON). If it is, check whether the corresponding DI terminal logic is valid. If it is invalid,please make it valid. Refer to __[[Group P06 DI/DO configuration>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/09%20Parameters/#HGroupP06DI2FDOconfiguration]]__
	25	+✎Check whether group P06 is set the servo enable signal (DI function 1: S-ON). If it is, check whether the corresponding DI terminal logic is valid. If it is invalid,please make it valid. Refer to __[[Group P06 DI/DO configuration>>https://docs.we-con.com.cn/bin/view/Servo/Manual/02%20VD2%20SA%20Series/09%20Parameters/#HGroupP06DI2FDOconfiguration]]__
26	26
27		-✎If group P06 parameters have set the servo enable signal, and the corresponding terminal logic is valid, but the panel still displays "rdy", check whether the DI terminal wiring is correct, please refer to__[[ 4 Wiring>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/04%20Wiring/]]__
	27	+✎If group P06 parameters have set the servo enable signal, and the corresponding terminal logic is valid, but the panel still displays "rdy", check whether the DI terminal wiring is correct, please refer to__[[ 4 Wiring>>doc:Servo.Manual.02 VD2 SA Series.04 Wiring.WebHome]]__
28	28	)))
29	29	|(% style="vertical-align:middle; width:163px" %)Control mode error|(% style="vertical-align:middle" %)Check whether the parameter P00-01 is set correctly
30		-|(% style="vertical-align:middle; width:213px" %)Panel display Er.xx|(% colspan="2" style="vertical-align:middle; width:1118px" %)Refer to [[10.2 Handling of faults and warnings during operation>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/10%20Malfunctions/#HFaultsandwarningshandlingduringoperation]]
	30	+|(% style="vertical-align:middle; width:213px" %)Panel display Er.xx|(% colspan="2" style="vertical-align:middle; width:1118px" %)Refer to [[10.2 Handling of faults and warnings during operation>>||anchor="HFaultsandwarningshandlingduringoperation"]]
31	31	|(% colspan="3" style="vertical-align:middle" %)After troubleshooting, the servo drive panel should display "run"
32	32	|(% rowspan="2" style="vertical-align:middle" %)Input position instruction|(% style="vertical-align:middle; width:213px" %)The motor does not rotate|(% style="vertical-align:middle; width:163px" %)U0-09 (input instruction pulse number) always displays 0|(% style="vertical-align:middle" %)✎Not input position instruction(((
33	33	1. Confirm whether DI terminal uses forward drive prohibited (DI function 3: POT) or reverse drive prohibited (DI function 4: NOT).
34	34	1. Confirm whether DI terminal uses instruction pulse input prohibited (DI function 11: INH)
35	35	1. When P01-06=0(position instruction source), PLC or other pulse output device do not output pulse. Please use oscilloscope to check whether there is pulse input or check U0-08 (input instruction pulse frequency). Refer to __4 Wiring__
36		-1. When P01-06=1(position instruction source), please check whether the parameters of group P07 are set correctly. If yes, please confirm whether the DI function 20 (internal multi-segment position enable signal) and the corresponding DI terminal logic are set to be valid. Refer to __[[Group P07 multi-segment position>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/09%20Parameters/#HGroupP07multi-segmentposition]]__
	36	+1. When P01-06=1(position instruction source), please check whether the parameters of group P07 are set correctly. If yes, please confirm whether the DI function 20 (internal multi-segment position enable signal) and the corresponding DI terminal logic are set to be valid. Refer to __[[Group P07 multi-segment position>>https://docs.we-con.com.cn/bin/view/Servo/Manual/02%20VD2%20SA%20Series/09%20Parameters/#HGroupP07multi-segmentposition]]__
37	37	)))
38	38	|(% colspan="3" style="vertical-align:middle" %)After troubleshooting, the servo motor should be able to rotate normally
39	39	|(% rowspan="3" style="vertical-align:middle" %)The motor does not rotate smoothly at low speed|(% style="vertical-align:middle; width:213px" %)Unstable low speed|(% style="vertical-align:middle; width:163px" %)Unreasonable gain setting|(% style="vertical-align:middle" %)Please adjust the gain.
...	...	@@ -66,20 +66,20 @@
66	66	)))
67	67	|Control the supply voltage failure|Measures the AC voltage between L1C &L2C.
68	68	|Servo drive fault|Contact the agent or customer service
69		-|(% style="vertical-align:middle" %)Panel display “Er.xx”|(% colspan="2" %)Refer to [[10.2 Handling of faults and warnings during operation>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/10%20Malfunctions/#HFaultsandwarningshandlingduringoperation]]
	69	+|(% style="vertical-align:middle" %)Panel display “Er.xx”|(% colspan="2" %)Refer to [[10.2 Handling of faults and warnings during operation>>||anchor="HFaultsandwarningshandlingduringoperation"]]
70	70	|(% colspan="3" style="vertical-align:middle" %)After removing the fault, the servo drive panel should display "rdy"
71	71	|(% rowspan="4" style="vertical-align:middle" %)Servo drive enable signal is valid(S-ON is ON)|(% rowspan="2" style="vertical-align:middle" %)The axis of servo motor is in a free running state|Servo enable signal is invalid|(((
72		-✎Check whether group P06 is set the servo enable signal (DI function 1: S-ON). If it is, check whether the corresponding DI terminal logic is valid. If it is invalid,please make it valid. Refer to __[[Group P06 DI/DO configuration>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/09%20Parameters/#HGroupP06DI2FDOconfiguration]]__
	72	+✎Check whether group P06 is set the servo enable signal (DI function 1: S-ON). If it is, check whether the corresponding DI terminal logic is valid. If it is invalid,please make it valid. Refer to __[[Group P06 DI/DO configuration>>https://docs.we-con.com.cn/bin/view/Servo/Manual/02%20VD2%20SA%20Series/09%20Parameters/#HGroupP06DI2FDOconfiguration]]__
73	73
74		-✎If group P06 parameters have set the servo enable signal, and the corresponding terminal logic is valid, but the panel still displays "rdy", check whether the DI terminal wiring is correct, please refer to__[[ 4 Wiring>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/04%20Wiring/]]__
	74	+✎If group P06 parameters have set the servo enable signal, and the corresponding terminal logic is valid, but the panel still displays "rdy", check whether the DI terminal wiring is correct, please refer to__[[ 4 Wiring>>doc:Servo.Manual.02 VD2 SA Series.04 Wiring.WebHome]]__
75	75	)))
76	76	|Control mode error|Check whether the parameter P00-01 is set correctly
77		-|(% style="vertical-align:middle" %)Panel display Er.xx|(% colspan="2" %)Refer to [[10.2 Handling of faults and warnings during operation>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/10%20Malfunctions/#HFaultsandwarningshandlingduringoperation]]
	77	+|(% style="vertical-align:middle" %)Panel display Er.xx|(% colspan="2" %)Refer to [[10.2 Handling of faults and warnings during operation>>||anchor="HFaultsandwarningshandlingduringoperation"]]
78	78	|(% colspan="3" style="vertical-align:middle" %)After troubleshooting, the servo drive panel should display "run"
79	79	|(% rowspan="2" style="vertical-align:middle" %)Input torque instruction|(% style="vertical-align:middle" %)The motor does not rotate|U0-03 (input instruction pulse number) always displays 0|(((
80	80	✎AI wiring error
81	81
82		-When selecting analog input signal, make sure that the connection of analog input terminal is correct. Refer to__[[ 4 Wiring>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/04%20Wiring/]]__.
	82	+When selecting analog input signal, make sure that the connection of analog input terminal is correct. Refer to__[[ 4 Wiring>>doc:Servo.Manual.02 VD2 SA Series.04 Wiring.WebHome]]__.
83	83
84	84	✎Not input speed instruction or speed instruction abnormal
85	85
...	...	@@ -114,20 +114,20 @@
114	114	)))
115	115	|(% style="vertical-align:middle" %)Control the supply voltage failure|(% style="vertical-align:middle" %)Measures the AC voltage between L1C &L2C.
116	116	|(% style="vertical-align:middle" %)Servo drive fault|(% style="vertical-align:middle" %)Contact the agent or customer service
117		-|(% style="vertical-align:middle" %)Panel display “Er.xx”|(% colspan="2" style="vertical-align:middle" %)Refer to [[10.2 Handling of faults and warnings during operation>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/10%20Malfunctions/#HFaultsandwarningshandlingduringoperation]]
	117	+|(% style="vertical-align:middle" %)Panel display “Er.xx”|(% colspan="2" style="vertical-align:middle" %)Refer to [[10.2 Handling of faults and warnings during operation>>||anchor="HFaultsandwarningshandlingduringoperation"]]
118	118	|(% colspan="3" style="vertical-align:middle" %)After removing the fault, the servo drive panel should display "rdy"
119	119	|(% rowspan="4" style="vertical-align:middle" %)Servo drive enable signal is valid(S-ON is ON)|(% rowspan="2" style="vertical-align:middle" %)The axis of servo motor is in a free running state|(% style="vertical-align:middle" %)Servo enable signal is invalid|(% style="vertical-align:middle" %)(((
120		-✎Check whether group P06 is set the servo enable signal (DI function 1: S-ON). If it is, check whether the corresponding DI terminal logic is valid. If it is invalid,please make it valid. Refer to __[[Group P06 DI/DO configuration>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/09%20Parameters/#HGroupP06DI2FDOconfiguration]]__
	120	+✎Check whether group P06 is set the servo enable signal (DI function 1: S-ON). If it is, check whether the corresponding DI terminal logic is valid. If it is invalid,please make it valid. Refer to __[[Group P06 DI/DO configuration>>https://docs.we-con.com.cn/bin/view/Servo/Manual/02%20VD2%20SA%20Series/09%20Parameters/#HGroupP06DI2FDOconfiguration]]__
121	121
122		-✎If group P06 parameters have set the servo enable signal, and the corresponding terminal logic is valid, but the panel still displays "rdy", check whether the DI terminal wiring is correct, please refer to__[[ 4 Wiring>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/04%20Wiring/]]__
	122	+✎If group P06 parameters have set the servo enable signal, and the corresponding terminal logic is valid, but the panel still displays "rdy", check whether the DI terminal wiring is correct, please refer to__[[ 4 Wiring>>doc:Servo.Manual.02 VD2 SA Series.04 Wiring.WebHome]]__
123	123	)))
124	124	|(% style="vertical-align:middle" %)Control mode error|(% style="vertical-align:middle" %)Check whether the parameter P00-01 is set correctly
125		-|(% style="vertical-align:middle" %)Panel display Er.xx|(% colspan="2" style="vertical-align:middle" %)Refer to [[10.2 Handling of faults and warnings during operation>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/10%20Malfunctions/#HFaultsandwarningshandlingduringoperation]]
	125	+|(% style="vertical-align:middle" %)Panel display Er.xx|(% colspan="2" style="vertical-align:middle" %)Refer to [[10.2 Handling of faults and warnings during operation>>||anchor="HFaultsandwarningshandlingduringoperation"]]
126	126	|(% colspan="3" style="vertical-align:middle" %)After troubleshooting, the servo drive panel should display "run"
127	127	|(% rowspan="2" style="vertical-align:middle" %)Input speed instruction|(% style="vertical-align:middle" %)The motor does not rotate|(% style="vertical-align:middle" %)U0-03 (input instruction pulse number) always displays 0|(% style="vertical-align:middle" %)(((
128	128	✎AI wiring error
129	129
130		-When selecting analog input signal, make sure that the connection of analog input terminal is correct. Refer to__[[ 4 Wiring>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/04%20Wiring/]]__.
	130	+When selecting analog input signal, make sure that the connection of analog input terminal is correct. Refer to__[[ 4 Wiring>>doc:Servo.Manual.02 VD2 SA Series.04 Wiring.WebHome]]__.
131	131
132	132	✎Not input torque instruction
133	133
...	...	@@ -194,7 +194,7 @@
194	194
195	195	VD2 series servo drives have a fault recording function, which could record the last 5 faults and the last 5 warning names and the status parameters of servo drive when the fault or warning occurs. After the fault or warning is cleared, the fault record will still save the fault and warning.
196	196
197		-The current fault code could be viewed through the monitoring parameter U1-01, and the current warning code could be viewed through U1-02. The monitoring U1-16 to U1-25 could display the last 5 fault codes and warning codes. Please refer to __[[Group U1 Warning monitoring>>https://docs.we-con.com.cn/bin/view/Servo/2.%20User%20Manual/06%20VD2%20SA%20Series%20Servo%20Drives%20Manual%20%28Full%20V1.1%29/09%20Parameters/#HGroupU1Warningmonitoring]]__.
	197	+The current fault code could be viewed through the monitoring parameter U1-01, and the current warning code could be viewed through U1-02. The monitoring U1-16 to U1-25 could display the last 5 fault codes and warning codes. Please refer to __[[Group U1 Warning monitoring>>https://docs.we-con.com.cn/bin/view/Servo/Manual/02%20VD2%20SA%20Series/09%20Parameters/#HGroupU1Warningmonitoring]]__.
198	198
199	199	== **Fault and warning code table** ==
200	200
...	...	@@ -571,7 +571,7 @@
571	571	Fault
572	572
573	573	|=**Servo drive panel display**|=**Fault name**
574		-|[[image:image-20220709165622-15.png]]|Braking resistor resistance is too large
	574	+|[[image:image-20220709165622-15.png]]|Motor code wrong
575	575
576	576	Troubleshooting
577	577
...	...	@@ -852,6 +852,23 @@
852	852	|(% style="width:426px" %)Check whether there are sources of interference such as power supply inverter equipment nearby|(% style="width:404px" %)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.
853	853	|Servo drive fault|(% style="width:426px" %)The servo drive is still faulty after power on again|(% style="width:404px" %)Servo drive may be damaged, please contact technician for repair.
854	854
	855	+**Er.43 Drive overload fault**
	856	+
	857	+Fault
	858	+
	859	+
	860	+|=**Servo drive panel display**|=**Fault name**
	861	+|[[image:file:///C:/Users/16127/AppData/Local/Temp/msohtmlclip1/01/clip_image001.emz]][[image:file:///C:/Users/16127/AppData/Local/Temp/msohtmlclip1/01/clip_image001.emz]] ​​​​​​[[image:企业微信截图_16877625944107.png]]|Drive overload fault
	862	+
	863	+Troubleshooting
	864	+
	865	+|Reason|Troubleshooting|Handling
	866	+|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.
	867	+|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.
	868	+
	869	+(% style="text-align:center" %)
	870	+[[image:1687762670698-912.png]]
	871	+
855	855	**Er.60 ADC conversion is not complete**
856	856
857	857	Fault
...	...	@@ -926,6 +926,25 @@
926	926	|=(% style="width: 212px;" %)**Reason**|=(% style="width: 518px;" %)**Troubleshooting methods**|=(% style="width: 346px;" %)**Handling**
927	927	|(% style="width:212px" %)Servo drive fault|(% style="width:518px" %)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:346px" %)If there is still alarm after multiple power-on, contact the technician.
928	928
	946	+**A-80 Drive overpower warning**
	947	+
	948	+Fault
	949	+
	950	+|=Servo drive panel display|=Alarm name
	951	+|[[image:file:///C:/Users/16127/AppData/Local/Temp/msohtmlclip1/01/clip_image001.emz]][[image:1687763210466-195.png||height="54" width="150"]]|Drive overpower warning
	952	+
	953	+Troubleshooting
	954	+
	955	+|Reason|Troubleshooting|Handling
	956	+|(((
	957	+The average output power (U0-34) exceeds the limit power of the drive (overload 110%) for more than 5 seconds, the drive will have alarm.
	958	+
	959	+
	960	+)))|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.
	961	+
	962	+(% style="text-align:center" %)
	963	+[[image:1687763249516-252.png]]
	964	+
929	929	**A-81 Overspeed alarm**
930	930
931	931	Fault
...	...	@@ -1093,13 +1093,38 @@
1093	1093	Fault
1094	1094
1095	1095	|=(% style="width: 465px;" %)**Servo drive panel display**|=(% style="width: 610px;" %)**Fault name**
1096		-|(% style="width:465px" %)[[image:image-20220709171241-17.png]]|(% style="width:610px" %)Parameter modification is too frequent
	1132	+|(% style="width:465px" %)[[image:image-20220709171241-17.png]]|(% style="width:610px" %)(((
	1133	+Parameter modification is too frequent (modification frequency allowed of function code: 6 hours/150 times
1097	1097
	1135	+ Note: 32-bit function code: recorded as 2 times)
	1136	+)))
	1137	+
1098	1098	Troubleshooting
1099	1099
1100		-|=(% style="width: 232px;" %)**Reason**|=(% style="width: 459px;" %)**Troubleshooting methods**|=(% style="width: 385px;" %)**Handling**
1101		-|(% style="width:232px" %)Parameter modification is too frequent|(% style="width:459px" %)Check whether the host computer frequently modifies the write parameters|(% style="width:385px" %)Ensuring mechanical operation, reduce the frequency of modifying the write parameters of the host computer
	1140	+|Reason|Troubleshooting|Handling
	1141	+|EEPROM writing frequency is too high|(((
	1142	+Check whether the host computer frequently modifies the parameters (modification frequency allowed of function code: 6 hours/150 times
1102	1102
	1144	+Note: 32-bit function code: recorded as 2 times)
	1145	+
	1146	+
	1147	+)))|(((
	1148	+(1) During machine adjustment, A91 warning (6 hours/150 times) caused by manual frequent modification of function codes can be cleared through P10-03. In other cases, please check the PLC program
	1149	+
	1150	+(2) If A91 warning appears in the normal working mode of the machine, please check whether the PLC program frequently modifies the function code.
	1151	+
	1152	+(3) When the function code needs to be modified frequently, it is recommended to close Modbus write to EEPROM (P12-4 is set to 0)
	1153	+)))
	1154	+|(% rowspan="3" %)external interference|Check for strong magnetic fields nearby|Eliminate nearby strong magnetic interference
	1155	+|Check whether there are sources of interference such as power supply inverter equipment nearby|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.
	1156	+|(((
	1157	+Increase the abnormal threshold setting of P0-31 encoder read-write check.
	1158	+
	1159	+
	1160	+)))|Eliminate the A93 warning by increasing the exception threshold is suitable as a temporary solution. The disadvantage is that the motor may run in an unstable state.
	1161	+|Encoder fault|Manually rotate the motor shaft counterclockwise or clockwise to observe whether the monitoring quantity U0-30 (electrical angle) changes regularly|If the value of U0-30 (electrical angle) changes abruptly or does not change, the encoder itself may have problems, please replace the motor or encoder.
	1162	+|Servo drive fault|●Cross-verification. Use the normal motor, encoder cable to connect to the servo drive. If the servo drive still have alarm, it is servo fault.|Servo driver may be damaged, please contact the manufacturer's technician.
	1163	+
1103	1103	**A-92 Low encoder battery voltage warning**
1104	1104
1105	1105	Fault
...	...	@@ -1117,11 +1117,13 @@
1117	1117	Fault
1118	1118
1119	1119	|=(% style="width: 378px;" %)**Servo drive panel display**|=(% style="width: 697px;" %)**Fault name**
1120		-|(% style="width:378px" %)[[image:image-20220709171304-19.png]]|(% style="width:697px" %)Abnormal and frequency of encoder read and write check is too high
	1181	+|(% style="width:378px" %)[[image:image-20220709171304-19.png]]|(% style="width:697px" %)The abnormal frequency of encoder read-write verification is too high
1121	1121
1122	1122	Troubleshooting
1123	1123
1124	1124	|=(% style="width: 235px;" %)**Reason**|=(% style="width: 446px;" %)**Troubleshooting methods**|=(% style="width: 395px;" %)**Handling**
1125		-|(% rowspan="2" style="width:235px" %)External interference|(% style="width:446px" %)Check for strong magnetic fields nearby|(% style="width:395px" %)Eliminate nearby strong magnetic interference
	1186	+|(% colspan="1" rowspan="3" style="width:235px" %)External interference|(% style="width:446px" %)Check for strong magnetic fields nearby|(% style="width:395px" %)Eliminate nearby strong magnetic interference
1126	1126	|(% style="width:446px" %)Check whether there are sources of interference such as power supply inverter equipment nearby|(% style="width:395px" %)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.
	1188	+|(% style="width:446px" %)Increase the abnormal threshold setting of P0-31.|(% style="width:395px" %)This method is suitable as a temporary workaround to eliminate the A93 warning. It may cause an unstable state in the operation of the motor.
	1189	+|(% style="width:235px" %)Encoder issue|(% style="width:446px" %)Manually rotate the motor shaft slowly, and observe the changes of the monitoring quantity U0-30 (electrical angle).|(% style="width:395px" %)If the value of U0-30 (electrical angle) changes suddenly or does not change, it may be a problem with the encoder, please replace the motor or encoder.
1127	1127	|(% style="width:235px" %)Internal servo drive fault|(% style="width:446px" %)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.|(% style="width:395px" %)Contact technician for repair

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