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IS810N-INT Series Servo System User Manual (Brief)Chapter 5 Keypad
3. Fault Display (Take the parameter of the current operation axis 2 as an example)
●   The keypad displays the current or historical faults and warning codes. For analysis and 
rectication of faults and warnings, refer to Chapter 9.
●   When a single fault or warning occurs, the keypad displays the fault or warning code. 
When multiple faults or warnings occur, the keypad displays the fault code of the highest 
level.
●   Set in H0B-33 the historical fault to be viewed and view H0B-34. The selected fault or 
warning code is displayed.
●   Set H02-31 to 2 to clear information about the latest 10 faults or warnings stored in the 
servo drive.
For example, Er.941 is displayed as follows:
Display Name Description
Current warning code
E2.: indicates fault or 
warning in the  
servodrive axis 2
941: fault or warning code
4. Monitoring Display (Take the parameter of the current operation axis 2 as an example)
Group H0B: Displays the parameters for monitoring the running status of the servo drive.
Set H02-32 (Default keypad display). After the servo motor runs properly, the keypad switches 
from servo status display mode to parameter display mode and displays the parameters set in 
H02-32.
For example, if H02-32 = 00, the keypad displays the value of H0B-00 if the servo motor 
speed is not 0.
Function 
Code
Name Unit Meaning Display Example
H0B-00
Actual motor 
speed
RPM
It displays the actual 
motor speed after 
round-off, in the unit of 
1 RPM.
3000 RPM display:
-3000 RPM display: