Yaskawa J7 Drive - Manual (Page 75)

6-2
Alarm Display
Digital RUN (Green)
Drive
Explanation
Causes and
Operator ALARM (Red)
Status Corrective Actions
OP (Parameter setting Check the setting values.
error when the parameter
setting is performed
through the MODBUS
communications)
OP1: Two or more values
are set for multi-
function input
selection.
(parameters
n36 to
n39 )
OP2: Relationship among
V / f parameters is not
correct.
(parameters
n09,
n11, n12, n14 )
Blinking OP3: Setting value of
electronic thermal
standard current
exceeds 150% of
drive rated current.
Warning (parameter n32 )
only. OP4: Upper / lower limit
Fault of frequency
contacts reference is reversed.
do not (parameters n32 ,
change n33 )
state. OP5: (parameters n49 and
n50 )
OP9: Carrier frequency
setting is incorrect.
(parameter
n46 )
OL 3 (Overtorque Reduce the load, and
detection) increase the accel / decel
Motor current exceeded time.
the preset value in
Blinking parameter n60 .
SEr (Sequence error) Check the external circuit
Drive receives (sequence).
LOCAL / REMOTE select
command or
Blinking communication / control
circuit terminal changing
signals from the multi-
function terminal while the
drive output is ON.
Table 6-1. Alarm Displays and Corrective Actions - Continued