4742-E P-31
SECTION 1 INVERTER UNIT (MIV UNIT)
4-3-3. Warning Number Table
Eeospcsa1017
[Hex] indicates hexadecimal notation.
No.
Name
Description/Alarm Code
Corrective Action
01
Power supply
unit error
There is a possibility that the power supply unit is faulty.
0000XYZZ
X = Alarm number
4: Regeneration overload
5: Heat sink overheat
Y = Power supply unit status
bit 3 = 1: Undefined
bit 2 = 1: DC power is being supplied
bit 1 = 1: OPRON input is close
bit 0 = 1: PWON input is close
ZZ = Alarm data
If X (alarm number) = 4 00
If X (alarm number) = 5 00
Check the source
voltage.
Check the operation
conditions.
Check the MIV unit.
Check the MPS/
MPR unit.
05
Inverter
overheat
There is a possibility of overheat of inverter.
XXXXXXXX = 1 (fixed)
Check the operation
conditions.
Check the MIV unit.
07
Commercial
power source
error
There is a possibility that the input voltage is incorrect.
XXXXXXXX = Voltage value at the detection of error.
(Displayed in hexadecimal: 01[Hex] = 0 volts)
(Displayed in hexadecimal: 80[Hex] = 300 volts)
Check the source
voltage.
Check the power
cable.
Check the MPS/
MPR unit.
20
Motor
overheat
There is a possibility of overheat of motor.
XXXXXXXX = 1 (fixed)
Check the operation
conditions.
Check the VAC
motor.
Check the BL motor.
Check the motor
attached encoder.
25
Command
error
Processing of the command is impossible.
XXXXYYYY
XXXX = 0 (fixed)
YYYY
0001[Hex]: Undefined data ID No.
(data communication interface)
0002[Hex]: Address/address pointer mismatch
(data communication interface)
0003[Hex]: Specified SDF set number error
(data communication interface)
0004[Hex]: Communication/miscellaneous code error
(data communication interface)
0005[Hex]: Size error
(data communication interface)
0006[Hex]: Write disable
(data communication interface)
0007[Hex]: Outside the limit range
(data communication interface)
0100[Hex]: Deceleration distance over
(positioning)
Check the servo
data file.
Check the NC soft-
ware.
Check the MIV unit.
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