4742-E P-25
SECTION 1 INVERTER UNIT (MIV UNIT)
16
Absolute scale
initialization
error
An error occurred in the initialization processing of the absolute
scale.
XXYYZZZZ
Format is the same as explained in alarm NO. 12
Change the abso-
lute scale.
Change the encoder
link cable.
Change the MIV unit.
17
Magnetic
encoder error
The magnetic encoder failed to detect the position data, or mis-
match occurred between the magnetic encoder gear tooth
number and servo data file setting value.
XXXXYYYY
XXXX = Contents of error
000A [Hex] = A-phase voltage error
000B [Hex] = B-phase voltage error
000C [Hex] = Magnetic encoder pulse signal error
Other =A value set in the servo data file when magnetic
encoder pulse count-over or marker-latched data
error occurs
(Set number pulses or gear teeth)
YYYY = Error data
If XXXX = 000A [Hex]: A-phase voltage value
If XXXX = 000B [Hex]: B-phase voltage value
If XXXX = 000C [Hex]: 0 (fixed)
In other cases: Magnetic encoder count value or detected
number of gear teeth
Check the servo
data file.
Change the mag-
netic encoder.
Change the mag-
netic encoder cable.
18
Resolver error The resolver failed to detect the position data.
XXXXXXXX =
1: Disconnection error
2: Abnormal value detected
Change the resolver.
Change the resolver
cable.
Change the MIV unit.
19
PG count-over Mismatch between the 1 -turn count value of the magnetic
encoder and the setting value in the servo data file.
XXXXYYYY
XXXX = Servo data file setting value (PG 1-turn count value)
YYYY = Count value
Check the servo
data file.
Change the mag-
netic encoder.
Change the mag-
netic encoder cable.
20
Motor over-
heat
Motor temperature raised excessively.
XXXXYYYY
XXXX = 0 (fixed)
If YYYY = 0010 [Hex] Overheat
If YYYY = 0011 [Hex] Motor overheat [BL/PREX motor only]
If YYYY = 0012 [Hex] Encoder overheat
[BL/PREX motor only]
If YYYY = 0013 [Hex] Overheat of motor and encoder
[BL/PREX motor only]
Check the operation
conditions.
Change the motor of
the corresponding
axis.
Change the motor
attached encoder.
Change the encoder
link cable.
No.
Name
Description/Alarm Code
Corrective Action
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