Omron VARISPEED L7 Manual page 253

CPF22
Option Type Err
CPF23
Option DPRAM Err
CPF24
Option Comm Err
7
8
7-
Table 7.2 Not Resetable Faults
Option Board Code Number Fault
Option Board
Interconnection Fault
PG-F2 (Hiperface y / EnDat) serial com-
munication error
Detected when no data were received
from the encoder for 200 msec
An unrecognizable option board is con-
nected to the control board.
An option board was not correctly con-
nected to the control board, or an
option board which is not made for the
Inverter has been attached to the con-
trol board.
Encoder connection wiring broken or
encoder broken
Remove any option boards
Perform an initialization to factory
defaults
Cycle the Inverter power supply.
Replace the option board
Replace the Inverter
Turn off the power and reinstall the
option board again
Perform an initialization to factory
defaults
Cycle the Inverter power supply.
Replace the option board
Replace the Inverter
Check the encoder connection or
replace the encoder if necessary