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Chapter 10 ALARM CODE LIST
The information on alarms that have occurred in the inverter can be monitored through DeviceNet.
They are stored in the inverter's function codes M16 to M19 as listed in Table 10.1.
The communication-dedicated function codes M16 to M19 store information on the latest alarm code, last alarm
code, 2nd last alarm code, and 3rd last alarm code, respectively.
Alarm codes
in
M16 to M19
0 (00
)
No alarm
H
1 (01
)
Overcurrent
H
(during acceleration)
2 (02
)
Overcurrent
H
(during deceleration)
3 (03
)
Overcurrent
H
(During running at constant
speed)
5 (05
)
Grounding fault
H
6 (06
)
Overvoltage
H
(during acceleration)
7 (07
)
Overvoltage
H
(during deceleration)
8 (08
)
Overvoltage
H
(during running at constant
speed or stopped)
10 (0A
)
Undervoltage
H
11 (0B
)
Input phase loss
H
14 (0E
)
Fuse blown
H
16 (10
)
Charger circuit fault
H
17 (11
)
Heat sink overheat
H
18 (12
)
External alarm
H
19 (13
)
Inverter internal overheat
H
20 (14
)
Motor protection
H
(PTC/NTC thermistor)
22 (16
)
Braking resistor overheat
H
23 (17
)
Overload of motor 1
H
24 (18
)
Overload of motor 2
H
25 (19
)
Inverter overload
H
27 (1B
)
Overspeed
H
28 (1C
)
PG wire break
H
Table 10.1 Alarm Codes
Description
---
0c1
0c2
0c3
ef
0u1
0u2
0u3
lu
lIn
fus
pbf
0h1
0h2
0h3
0h4
dbh
0l1
0l2
0lu
0s
pg
35
Alarm codes
in
M16 to M19
29 (1D
)
NTC thermistor wire break
H
31 (1F
)
Memory error
H
32 (20
)
Keypad communications error
H
33 (21
)
CPU error
H
34 (22
)
Option communications error
H
35 (23
)
Option error
H
36 (24
)
Operation protection
H
37 (25
)
Tuning error
H
38 (26
)
RS-485 communications error
H
(COM port 1)
44 (2C
)
Overload of motor 3
H
45 (2D
)
Overload of motor 4
H
46 (2E
)
Output phase loss
H
47 (2F
)
Speed mismatch
H
(Excessive speed deviation)
51 (33
)
Data saving error during
H
undervoltage
53 (35
)
RS-485 communications error
H
(COM port 2)
54 (36
)
Hardware error
H
56 (38
)
Positioning control error
H
57 (39
)
EN circuit failure
H
58 (3A
)
PID feedback wire break
H
59 (3B
)
Braking transistor broken
H
254 (FE
)
Mock alarm
H
Description
nrb
er1
er2
er3
er4
er5
er6
er7
er8
0l3
0l4
0pl
ere
erf
erp
erh
ero
ecf
cof
dba
err
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