Omron SYSDRIVE 3G3MV SERIES User Manual page 218

Communications
Error Name
code
22 Hex Write mode error
7-28
Probable cause
The Inverter in operation received a DSR
message to write data to a parameter that
prohibits any data to be written while the Inverter
is running.
The Enter command was received while the
Inverter is running.
The Inverter detecting UV received a DSR
message to write data.
The Inverter detecting UV received the Enter
command.
The Inverter detecting F04 for an initialization
memory fault received a DSR message other
than that for parameter initialization (with n001
set to 8 or 9).
The Inverter processing data written received a
DSR message to write data.
A DSR message to a read-only register was
received.
Chapter 7
Remedy
Write the data after
stopping the
Inverter.
Write the data after
restoring the UV
(main circuit (main circuit
undervoltage)
status.
Turn the Inverter
OFF and ON after
parameter
initialization with
n001 set to 8 or 9.
Wait for an elapse
period equivalent to
24 bits plus a
minimum of 10 ms to
issue the message
after a response is
received from the
Inverter.
Check and correct
the register number.