Omron 3G3RX - LCD Digital Operator Error Message

5-6
5-1 Protective Functions and Troubleshooting
5
Maintenance Operations
LCD Digital Operator Error Message
Note: 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).
Display Cause Check item Action
Resetting
method
COM ERROR
-No signal is received from
the inverter within 4 sec.
-Reset the inverter.
-Check inverter type.
-Check the connector for
loseness/disconnection.
-Check the cable for break.
-Avoid issuing the RESET
signal continuously for
more than 5 sec.
-Change the correct
inverter type.
-Replace the cable and the
connector.
Press
STOP/
RESET
key
INV in RUN
mode
-The WRITE key is pressed
while the inverter is
running.
-Soft-lock is turned ON.
-Check if the WRITE key is
pressed while the inverter
is running.
-Check if the WRITE key is
pressed while soft-lock is
ON.
-The WRITE key should be
pressed only while the
inverter stops.
-Release the Soft-Lock (of
the inverter).
INV in TRIP
mode
-WRITE key is pressed
while inverter trips.
-Check if the inverter trips.
-Reset the inverter from
trip status.
INV Type
Un-match
-An attempt was made
writing parameters
between different inverter
type.
-
-Writing is possible only
between the same type
inverters,
Read lock
enabled
-In case of display “READ
LOCK“.
- -Release the Read Lock.
Data Check Sum
Error
-EEPROM of LCD digital
operator is overloaded. It
reaches the EEPROM’s
Write Limitation.
-
-If the same error appears
after the power is supplied
several times, the operator
is defective.
Supply
the power
again
INV Check Sum
Error
-The parameters in LCD
digital operator and the
parameters written into the
inverter are unmatched.
-
-If the same error appears
several times, the inverter
is defective. (Note)