Parameter
No.
Function name Monitor or Data Range
Default
data
Setting
during
RUN
Unit
X04 Latest Multiple Alarm Sub Code 2
0 to 9999
0 - -
X05
Last Alarm History/Number of
Consecutive Same Alarms
0000 to FFFF hex
(MSB: 00 to FF hex, LSB:00 to
FE hex)
MSB: Number of alarm
LSB: 00 to FE hex
00 hex (0) : No alarm
01 hex (1) : OC1 Overcurrent
protection (during accelera-
tion)
02 hex (2) : OC2 Overcurrent
protection (during decelera-
tion)
03 hex (3) : OC3 Overcurrent
protection (during constant
speed operation)
06 hex (4) : OU1 Overvoltage
protection (during accelera-
tion)
07 hex (7) : OU2 Overvoltage
protection (during decelera-
tion)
08 hex (8) : OU3 Overvoltage
protection (during constant
speed operation or stopping)
0A hex (10) : LU Undervoltage
protection
0B hex (11) : Lin Input phase
loss protection
10 hex (16) : PbF Inrush cur-
rent avoidance circuit error
11 hex (17) : OH1 Heat sink
overheat
12 hex (18) : OH2 External
alarm input
13 hex (19) : OH3 Inverter in-
ternal overheat
14 hex (20) : OH4 Motor pro-
tection (PTC thermistor)
16 hex (22) : dbH Braking re-
sistor overheat
17 hex (23) : OL1 Motor 1
overload
18 hex (24) : OL2 Motor 2
overload
0 - -
4 Parameter List
4-51
M1 Series Standard Type User's Manual (I669)
4-1 List of Monitors by Group
4
4-1-4 Parameter X (Alarm Information 2)
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