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4742-E P-19
SECTION 1 INVERTER UNIT (MIV UNIT)
8
Magnetic encoder
power supply error
The magnetic encoder voltage has risen or
dropped exceeding the normal range.
If XXXX = 0012 [Hex], +12 V power supply for PG
is abnormal.
YYYY =+12 V detected voltage (12 V = BA00
[Hex])
Normal range: 12.01 to 13.56 V
Allowable data range: BA00 to D240
[Hex]
If XXXX = 0005 [Hex], +5 V power supply for PG
is abnormal.
YYYY = +5 V detected voltage (5 V = C1C0
[Hex])
Normal range: 4.01 to 5.56 V
Allowable data range: BA00 to D240
[Hex]
However, if YYYY = FFFF, the power supply failed
to reach the allowable range within the predeter-
mined time.
9
Encoder power supply
error
The magnetic encoder voltage has risen or
dropped exceeding the normal range.
If XXXX = FFFF [Hex], encoder source voltage is
abnormal.
YYYY = +12 V detected voltage (12 V = BA00
[Hex])
Normal range: 12.01 to 13.56 V
Allowable data range: BA00 to D240
[Hex]
10
Control power supply
+3.3 V error
Error status register
11
Control power supply
+5 V error
In case of MCS
Error status register
In case of MCS II
XXXX = Fixed at FFFF [Hex]
YYYY = +5 V detected voltage (5 V = 4D80
[Hex])
Normal range: 4.63 to 5.44 V
Allowable data range: B340 to D2C0
[Hex]
Change the MIV unit.
12
Gate signal error
An error occurred with the gate signal.
XXXXXXXX = Error status register
Change the MIV unit.
13
Inverter bridge error
An error occurred with the power device.
XXXXXXXX = Error status register
Change the MIV unit.
14
Motor over current error Abnormal current flow through the power device.
XXXXXXXX = Error status register
Change the MIV unit.
20
INT6 loop error
IR1MAIN loop error
An error occurred with CPU processing.
XXXXXXXX = Error status register
Change the MIV unit.
21
INT5 loop error
IR2MAIN loop error
An error occurred with CPU processing.
XXXXXXXX = Error status register
Change the MIV unit.
22
INT4 loop error
An error occurred with CPU processing.
XXXXXXXX = Error status register
Change the MIV unit.
No.
Name
Description/Alarm Code
Corrective Action
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