Fault Level and Display
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1 Fault Level and Display
Faults and warnings of the servo drive are divided into three levels based on severity:
No. 1 > No. 2 > No. 3, as shown below.
● No. 1 non‑resettable fault
● No. 1 resettable fault
● No. 2 resettable fault
● No. 3 resettable warning
Note
"Resettable" means the keypad stops displaying the fault/warning once a "Reset signal" is
input.
Fault and warning log
The servo drive can record the latest 20 faults and warnings and values of status
parameters upon fault/warning. Among the latest 5 faults/warnings, if a fault/warning
occurs repetitively, the servo drive records the fault/warning code and the drive
status only once.
A fault/warning will still be saved in the fault log after reset. To remove the fault/
warning from the fault log, set H02.31 to 1.
Read the value of H0b.34 to get the fault/warning code. See examples in the following
table.
H0b.34 (Hexadecimal)
Description
0101
0: No. 1 non‑resettable fault
101: Fault code
2130
2: No. 1 resettable fault
130: Fault code
6121
6: No. 2 resettable fault
121: Fault code
E110
E: No. 3 resettable warning
110: Warning code
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