Bit Alarm code Description Bit Alarm code Description
12 - - 4 16 (dbH)
Braking resistor overheat-
ing
11 23 (Er5)
EtherCAT communications
error
3 - -
10 - - 2 13 (0H3)
Inverter internal overheat-
ing
9 - - 1 12 (0H2) External trip
8 - - 0 11 (0H1) Cooling fin overheating
Light Alarm Selection 2 (3008Hex-53Hex)
Bit Alarm code Description Bit Alarm code Description
15 - - 7 67 (LiF) Lifetime alarm
14 - - 6 66 (0H)
Cooling fin overheating ear-
ly warning
13 6D (CnT)
Inverter life (Number of
startups)
5 65 (0L)
Motor overload early warn-
ing
12 6C (rTE)
Inverter life (Cumulative run
time)
4 - -
11 6B (PTC) PTC thermistor activated 3 - -
10 6A (UTL) Low output torque detection 2 38 (Ero) Position control error
9 69 (PiD) PID warning output 1 34 (d0)
Excessive Positional Devia-
tion
8 68 (rEF) Reference loss 0 2F (ErE)
Speed mismatch (Exces-
sive speed deviation)
(Example) When “Motor 1 overload” or “Cooling fin overheat” is selected at Light Alarm Selection 1
(3008Hex-52Hex)
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Alarm code 46 - - - 23 - - - - 18 17 16 - 13 12 11
Dis-
play
exam-
ple
Binary 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 1
Hexa-
decimal
0 0 2 1
The input of light alarm selection must be made by converting a binary 4 bits unit to hexadecimal.
The conversion table is shown below.
Binary Hexadecimal Binary Hexadecimal
0 0 0 0 0 1 0 0 0 8
0 0 0 1 1 1 0 0 1 9
0 0 1 0 2 1 0 1 0 A
0 0 1 1 3 1 0 1 1 b
0 1 0 0 4 1 1 0 0 C
0 1 0 1 5 1 1 0 1 d
0 1 1 0 6 1 1 1 0 E
0 1 1 1 7 1 1 1 1 F
8 Other Functions
8-97
M1 Series EtherCAT Type User’s Manual (I670)
8-8 Functions Related to Protection, Warning and Various Output Signals
8
8-8-23 Minor Alarm Selection
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