List of Error Codes
Inverter
Indicator
Data Description
status
RUN ALARM
display
Normal
Flashes Not lit --- Ready to run
Lit Not lit --- Normal operation in progress
Warning Lit Flashes
Main circuit undervoltage (UV)
Main circuit overvoltage (OV)
Radiation fin overheated (OH)
Digital Operator stopped (STP)
Over-torque (OL3)
Sequence error
Protective Not lit Lit
Overcurrent (OC)
mecha-
Main circuit overvoltage (OV)
nism actu-
Main circuit undervoltage (UV1)
a
e
Control power supply fault (UV2)
Radiation fin overheated (OH)
Motor overload (OL1)
Inverter overload (OL2)
Over-torque (OL3)
External fault (EF1) (see note)
Inverter Not lit Lit
Initial memory error
error
ROM error
Constant error
Option error
Not lit Not lit (Not lit) Control circuit error
Note
Whenanexternal fault is input from multi-function inputs 2and3,“EF2”and“EF3”
are displayed respectively.
Chapter 5
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