User's Manual
SJ300 Inverter
Troubleshooting
and Maintenance
6–9
Restoring Factory Default Settings
You can restore all inverter parameters to the original factory (default) settings for the intended 
country of use. After initializing the inverter, use the powerup test in Chapter 2 to get the motor 
running again. To initialize the inverter, follow the steps below.
NOTE: Initialization cannot be performed with a remote operator panel. Disconnect the device 
and use the inverter’s front panel keypad.
No. Action Display Func./Parameter
1
Use the 
,  , and   keys to 
navigate to the “B” Group.
“B” Group selected
2
Press the 
 key.
First “B” parameter selected
3
Press and hold the   key until ->
Country code for initializa-
tion selected
4
Press the 
 key.
00 = Japan, 01 = Europe,
02 = U.S. 
5 Confirm the country code is correct. Do not change it unless you are absolutely sure 
the power input voltage range and frequency match the country code setting.
To change the country code, press   or   to set;   to store.
6
Press the   key.
Country code for initializa-
tion selected
7
Press the   key.
Initialization function selected
8
Press the 
 key.
00 = initialization disabled, 
clear trip history only
9
Press the   key.
01 = enable initialization
10
Press the   key.
Initialization now enabled to 
restore all defaults
11
Press and hold the
   and 
keys together, and immediately 
press and hold the   key. Do not 
release these keys yet.
First part of special key 
sequence, the “B” in the 
display begins flashing
12 Holding the keys above, press and 
hold the 
 (STOP) key for 3 sec.
Entire “B084” display will 
begin flashing
13
When the
b
084
 display begins 
flashing, release the   key.
or
Default parameter country 
code shown during initializa-
tion process (left-most charac-
ter displays alternating 
pattern)
14
Release the 
,  , and   
keys together.
Final part of key sequence, 
function code for output 
frequency monitor shown after 
initialization is complete
FUNC.
1
2
b ---
FUNC.
b 001
1
b 085
FUNC.
 02
1
2
STR
FUNC.
b 085
2
b 084
FUNC.
 00
1
01
STR
b 084
1
2
FUNC.
b 084
STOP
RESET
b 084
STOP
RESET
0 eu
0USA
1
2
FUNC.
d 001










