IS810N-INT Series Servo System User Manual (Brief)Chapter 7 Troubleshooting
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7.2.2 Communication Fault and Warning Code List
When communication or the servo drive is abnormal, the IS810 servo drive sends an 
emergency message to the network as a producer, or sends a response abort message when 
the SDO transmission is abnormal.
Fault code list (take the current operation axis 1 as an example):
Display Fault Name Type Resettable Fault Range
E1.101 Abnormal system parameter  NO.1 No Equipment fault
E1.102
Abnormal communication initialization 
of coprocessor
NO.1 No Equipment fault
E1.104
Abnormal communication or interrupt 
timeout of the coprocessor
NO.1 No Equipment fault
E1.105 Abnormal internal program  NO.1 No Equipment fault
E1.106
Abnormal main processor 
communication
NO.1 No Equipment fault
E1.107
Main processor communication loss 
of the 
NO.1 No Equipment fault
E1.108 Parameter storage fault (read/write) NO.1 No Equipment fault
E1.111
Abnormal 2000h/2001h group 
parameter 
NO.1 No Equipment fault
E1.120
Product model matching fault
(No corresponding motor
No corresponding driver
Absolute position parameter not 
matching
2nd-generation encoder parameter 
not matching)
NO.1 No
Shaft fault
E1.121 Invalid S-ON command NO.2 Ye s
Shaft fault
E1.122
Absolute position function and 
encoder matching fault
(Motor model not matching
2nd-generation encoder parameter 
not matching)
NO.1 No
Shaft fault
E1.130 DI function setting error NO.1 Yes
Shaft fault
E1.131 DO function setting error NO.1 Yes
Shaft fault
E1.136
Data check error or no parameter 
stored in the motor ROM
NO.1 No
Shaft fault
E1.150 STO signal input protection NO.1 Yes
Shaft fault
E1.201
Hardware overcurrent
(Phase P overcurrent
Phase N overcurrent
Phase U overcurrent
Phase V overcurrent)
NO.1 No
Shaft fault
E1.208
FPGA sampling operation timeout
Encoder communication timeout
Sigma_Dleta modulation fault
NO.1 No
Shaft or equipment fault
E1.210 Output short-circuit to ground NO.1 No
Shaft fault
E1.220 UVW phase sequence error NO.1 No
Shaft fault