6-2
Table 6.1 Abnormal States Detectable ("Heavy Alarm" and "Light Alarm" Objects)
Code Name
"Heavy alarm"
objects
"Light alarm"
objects
Remarks
Ref.
page
0c1
,
0c2
,
0c3
Instantaneous overcurrent √ -- 6-10
ef
Ground fault √ -- 30 kW or above 6-10
0u1
,
0u2
,
0u3
Overvoltage √ -- 6-10
lu
Undervoltage √ -- 6-11
lin
Input phase loss √ -- 6-11
0pl
Output phase loss √ -- 6-12
0h1
Heat sink overheat √ √ 6-12
0h2
External alarm √ √ 6-13
0h3
Inverter internal overheat √ √ 6-13
0h4
Motor protection (PTC/NTC thermistor) √ -- 6-13
dbh
Braking resistor overheat √ √ 22 kW or below 6-14
fu5
Fuse blown √ --
200 V class series
with 75 kW or above,
400 V class series
with 90 kW or above
6-14
pbf
Charger circuit fault √ --
200 V class series
with 37 kW or above,
400 V class series
with 75 kW or above
6-14
0l1
to
0l4
Overload of motor 1 through 4 √ √ 6-14
0lu
Inverter overload √ -- 6-15
05
Overspeed √ -- 6-15
pg
PG wire break √ -- 6-16
er1
Memory error √ -- 6-16
er2
Keypad communications error √ -- 6-16
er3
CPU error √ -- 6-17
er4
Option communications error √ √ 6-17
er5
Option error √ √ 6-17
er6
Operation protection √ -- 6-17
er7
Tuning error √ -- 6-17
er8
erp
RS-485 communications error (COM port 1)
RS-485 communications error (COM port 2)
√ √ 6-18
erf
Data saving error during undervoltage √ -- 6-18
erh
Hardware error √ --
200 V class series
with 37 kW or above,
400 V class series
with 45 kW or above
6-19
ere
Speed mismatch or excessive speed deviation √ √ 6-19
nrb
NTC wire break error √ -- 6-20
err
Mock alarm √ -- 6-20
cof
PID feedback wire break √ √ 6-20
dba
Braking transistor broken √ -- 6-20
ero
Positioning control error √ -- 6-20
ecf
Enable circuit failure √ -- 6-21
l-al
Light alarm -- -- --
fal
DC fan locked -- √
200 V class series
with 45 kW or above,
400 V class series
with 75 kW or above
--
0l
Motor overload early warning -- √ --
0h
Heat sink overheat early warning -- √ --
lif
Lifetime alarm -- √ --
ref
Reference command loss detected -- √ --
pid
PID alarm -- √ --
uTl
Low torque output -- √ --
pTc
PTC thermistor activated -- √ --
rTe
Inverter life (Motor cumulative run time) -- √ --
cnT
Inverter life (Number of startups) -- √ --
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