Alarm
code
Alarm
subcode
Name Description Check point and remedy reference
0B Hex
(Lin)
0000 Hex
Input phase
loss
(1) Main power sup-
ply input terminal wir-
ing disconnected
Measure the input voltage.
→ Repair or replace the main power supply
input wiring or input equipment (molded
case circuit breaker, magnetic contactor
,
etc.)
(2) Loose main pow-
er supply input termi-
nal connection
Check if main power supply input terminal
screws are loose.
→ Tighten to the recommended tightening
torque.
(3) High phase im-
balance in three-
phase power supply
Measure the input voltage.
→ Install an AC reactor (ACR) to reduce
the phase imbalance.
→ Increase the inverter capacity.
(4) Frequent exces-
sive load
Measure the ripple waveform of the Main Cir-
cuit DC V
oltage.
→
If a ripple in the Main Circuit DC Voltage
is high, increase the inverter capacity.
(5) Three-phase
power supply con-
nected to a product
with three-phase
power supply specifi-
cations
Recheck the inverter model.
→
Reselect an inverter matching the power
supply specifications.
FD Hex
(LoK)
0000 Hex
Password
cancellation
error
(1) User password 1
or 2 entered incor-
rectly more than a
specified number of
times
Cancel the alarm.
→ Turn OFF the inverter power supply,
then turn ON the power supply again. Or
20 minutes elapse after the occurrence
of the error
.
If you have forgotten the password.
→
Set Data Initialization (3008Hex-04Hex)
to 1 and execute parameter initialization.
9 Troubleshooting
9-13
M1 Series EtherCAT Type User’s Manual (I670)
9-1 Alarm Display and Remedies
9
9-1-2 Alarm Code List
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