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LCD Digital Operator
6. Error Message
Error Messages displayed on the screen are classified into inverter error and LCD digital operator
errors. They appear on the screen as shown below.
(1) Inverter error message
Note: For more details, please refer to the each inverter instruction manual.
(2) LCD digital operator error message
Display
Cause
· No signal is
COM
received from the
ERROR
inverter within 4
sec.
・The WRITE
key is pressed
while the inverter
INV in
is running.
RUN mode
・Soft-lock is turned
ON.
INV in
· WRITE key is
TRIP
pressed while
mode
inverter trips.
· An attempt was
made writing
parameters between
INV Type
different inverter
Un-match
type.
Read lock
· In case of display
enabled
"READ LOCK".
· EEPROM of LCD
digital operator is
Data
overloaded. It
Check
reaches the
Sum
EEPROM's Write
Error
Limitation
· The parameters in
LCD digital operator
and the parameters
INV Check
written into the
Sum
inverter are
Error
unmatched.
NOTE 1: It will happen sometimes when you try to write data into an inverter with different voltage
class and capacity. (Please refer to each inverter instruction manual.)
LCD Digital Operator User's Manual v0_90 110218.doc
ERR1 ********
?ERROR *******
Check item
· Reset the inverter.
· Check Inverter type
· Check the connector for
looseness/disconnection.
· Check the cable for break.
· Check if the WRITE key
is pressed while the
inverter is running.
· Check if the WRITE key
is pressed while soft-lock
is ON.
· Check if the inverter trips.
Action
· Avoid issuing the RESET
signal continuously for
more than 5 sec.
· Change to correct Inverter
type.
· Replace the cable and the
connector
・The WRITE key should be
pressed only while the inverter
stops.
・Release the Soft-Lock
(of the inverter).
· Reset the inverter from trip
status.
· Writing is possible only
between the same type
inverters.
· Release the Read Lock.
· If the same error appears after
the power is supplied several
times, the operator is defective.
· If the same error appears
several times, the inverter is
defective. (NOTE 1)
25
Issue 0.90 Draft
Resetting
Method
Press
STOP/
RESET key
Supply the
power again
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