List of Fault Codes
‑98‑
6 List of Fault Codes
No. 1 non-resettable faults:
Table 6–1 List of No. 1 non‑resettable faults
Fault Code
Display
Fault Name
Fault Type
Resettable
E101
E101.0
System parameter error
No. 1 No
E101.1
Parameter error in group H00/H01
No. 1 No
E101.9
Parameter attribute initialization
check error
No. 1 No
E102
E102.0
FPGA communication establishment
error
No. 1 No
E102.1 FPGA initialization start error No. 1 No
E102.8 FPGA and MCU version mismatch No. 1 No
E104
E104.1
MCU running timeout (MCU break
down)
No. 1 No
E104.2
FPGA running timeout (FPGA break
down)
No. 1 No
E104.4
MCU command update timeout
No. 1 No
E120
E120.0 Unknown encoder model No. 1 No
E120.1 Unknown motor model No. 1 No
E120.2 Unknown drive model No. 1 No
E120.5 Motor and drive current mismatch No. 1 No
E120.6 FPGA and motor model mismatch No. 1 No
E120.7 Model check error No. 1 No
E120.8
Junction temperature parameter
check error
No. 1 No
E136
E136.0
Encoder ROM motor parameter check
error
No. 1 No
E136.1
Encoder ROM motor parameter read
error
No. 1 No
E201
E201.0 Phase‑P overcurrent No. 1 No
E201.1 Phase‑U overcurrent No. 1 No
E201.2 Phase‑V overcurrent No. 1 No
E201.4 Phase‑N overcurrent No. 1 No
E210 E210.0
Short‑to‑ground detection error
No. 1 No
E234 E234.0
Runaway
No. 1 No
E740
E740.0 Encoder communication timeout No. 1 No
E740.2 Absolute encoder error No. 1 No
E740.3
Absolute encoder single‑turn
calculation error
No. 1 No
E740.6 Encoder write error No. 1 No
E765 E765.0
Nikon encoder over‑temperature or
overspeed
No. 1 No