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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