42
Error Trip Messages of Drive
Display
Description
Cause
Troubleshooting
●Check if V/F setting
is proper.
●Select the higher
capacity of drive.
(OL2)
RUN
CRG
MAIN
SV
PV
Drive current
limit
Operation current
exceeds 200% of
drive’s rated
current.
●Motor overload.
●Acceleration time
is too short.
●Immediately
restart after
coasting to stop
●Check whether the
motor is matched
with drive.
●Check for possible
over loading
condition at the
motor
(OLO)
RUN
CRG
MAIN
SV
PV
System overload
●Load is too heavy
and the operation
current reaches
the active level.
●Detection level:
F068
。
●Detection time:
F069
。
－－－
Check the usage of
mechanical
equipment.
(thr)
RUN
CRG
MAIN
SV
PV
External fault
The multi-function
terminal receives
the external fault
signal.
Clear the external
fault and then press
OFF
RESET
key.
(ntCF)
RUN
CRG
MAIN
SV
PV
NTC thermistor
sensor fault
●NTC thermistor
sensor broke
down.
●The wiring
connection of the
NTC thermistor
sensor is loose.
●Check whether the
NTC thermistor
sensor is normal.
●Check whether the
wire of NTC
thermistor sensor is
normal.
(PAdF)
RUN
CRG
MAIN
SV
PV
Keypad
interruption
during copy
●The connecting
wire of the keypad
is loose.
●The keypad jack
of the drive is
oxidized.
Check the connecting
wire of keypad.
(noFb)
RUN
CRG
MAIN
SV
PV
PID feedback
signal error
The feedback signal
wire is
disconnected.
Check the feedback
signal wire.