Chapter 7 Error message
Error messages to be displayed on the screen are classified into inverter errors and op-
erator errors. They will appear on the screen as shown below.
7.1 Inverter error message
7.2 Operator error messages
ERR1
********
For more information, refer to the
inverter instruction manual.
or
?ERROR
********
Display
R-ERROR
******
Cause Check
item
Action
Reset-
ting
Method
COMM.<1>
Quantity of the data
within time unit
didn’t match.
・
Check noise sources
around there.
・
Check the cable for
disconnection.
・
Separate the cable from
others to eliminate the
noise.
・
Check the cable
COMM.<2>
No signal is re-
ceived from the in-
verter within 5 sec.
・
Reset the inverter.
・
Check the connector
for looseness
/disconnection.
・
Check the cable for
break
・
Avoid issuing the
RESET signal continu-
ously for more than 5
sec. (NOTE 1)
・
Replace the cable and
the connector.
INV .RUN
・
The COPY key is
pressed while the
inverter is running.
・
Soft-lock is turned
ON.
・
Check if the COPY
key is pressed while
the inverter is running.
・
Check if the COPY
key is pressed while
Soft-Lock is ON
・
The COPY key
Should be pressed
only while the inverter
stops.
・
Release the Soft-Lock
(of the inverter).
INV. TRIP
COPY key is
pressed while the
inverter trips.
Check if the inverter
trips.
Reset the inverter from
the trip status.
INV. TYPE
An attempt was
made to copy be-
tween different type
inverters
Copying is possible only
between same type in-
verters.
RD LOCK
In case of display
“READ LOCK”.
Release the Read Lock.
Press
STOP/
RESET
Key
DATA ROM
EEPROM of remote
operator is over-
loaded
・
If the same error recurs
after the power is sup-
plied once or twice,
・
Purchase the new op-
erator please.
Supply
the
power
again.