Mitsubishi Electric MELSERVO-J4 Instruction Manual page 103

General-purpose ac servo amplifier
Hide thumbs Also See for MELSERVO-J4:
Table of Contents

Advertisement

1. TROUBLESHOOTING FOR SERVO AMPLIFIER (DRIVE UNIT)
Alarm No.: 92
Name: Battery cable disconnection warning
Alarm content
Detail
Detail name
No.
92.1
Encoder
(1) 1) When an MR-
battery cable
disconnection
warning
(2) A battery cable was
(3) The battery voltage is
(4) An encoder cable was
92.3
Battery
(1) The battery voltage is
degradation
(2) The battery has
Alarm No.: 93
Name: ABS data transfer warning
Alarm content
Detail
Detail name
No.
93.1
ABS data
(1) The Z-phase was not
transfer
requirement
warning during
magnetic pole
detection
(2) The magnetic pole
Battery voltage for absolute position detection system decreased.
Cause
Check if the battery is
BAT6V1SET(-A)
connected correctly.
battery or MR-
BT6VCASE battery
case was used, the
battery was not
connected to CN4.
2) When an MR-
BAT6V1BJ battery
for junction battery
cable was used, the
battery was not
connected to both
CN4 and MR-
BT6VCBL03M
junction battery
cable.
Check if the battery
disconnected.
cable is
malfunctioning.
Check the battery
low. The battery is
voltage with a tester.
consumed.
When an MR-
BAT6V1BJ battery for
junction battery cable
was used, check the
voltage of the
connector (orange)
for servo amplifier.
Check if the encoder
disconnected.
cable is
disconnected.
Check the battery
low. The battery is
voltage with a tester.
consumed.
Replace the battery,
deteriorated.
and then check the
repeatability.
ABS data were not transferred.
Cause
Check if the position
turned on at servo-on.
within one-revolution
is "0".
Check if the ABS data
detection was
is transferred during
executed.
the magnetic pole
detection.
Check method
Check result
It is not connected.
It is connected.
It has a failure.
It has no failure.
It is less than 3.1 V
DC.
It is 3.1 V DC or
more.
It is disconnected.
It is less than 3.0 V
DC.
It is 3.0 V DC or
more.
It is not repeatable.
Check method
Check result
It is "0". (The Z-
phase was not
turned on.)
It is other than "0".
(The Z-phase was
turned on.)
The ABS data is
transferred.
1 - 96
Action
Target
Connect it correctly.
[A]
[B]
[WB]
[RJ010]
[GF]
Check (2).
Replace or repair
the cable.
Check (3).
Replace the battery.
Check (4).
Replace or repair
the cable.
Replace the battery.
Check (2).
Replace the battery.
Action
Target
Turn on the Z-phase
[A]
and disable the
magnetic pole
detection. Always
make home position
setting again.
Check (2).
Disable the magnetic
pole detection. After
that, cycle SON
(Servo-on) and
transfer the ABS
data.

Hide quick links:

Advertisement

Table of Contents
loading

Table of Contents