Mitsubishi Electric MELSERVO MR-MT2010 Instruction Manual page 200

10. TROUBLESHOOTING
Alarm No.: 10 Name: Undervoltage
Alarm content
Detail
Detail name
No.
10.4 Voltage drop in (1) Connection error is
the external
input power
supply of the
analog I/O
(2) Low voltage in the
module
(3) An instantaneous power
(4) The module is
Alarm No.: 11 Name: Switch setting error
Alarm content
Detail
Detail name
No.
11.1 Rotary switch (1) The setting of the
setting error
(2) The module is
11.2 Axis mode (1) In the axis mode, an
setting error
(2) The setting of the mode
(3) Five or more axes are
The voltage of the control circuit power supply has dropped.
The voltage in the external input power supply has dropped.
Cause
Check the connection
found in the external of the external input
input power supply of power supply.
the analog I/O module.
Check if the voltage of
external input power the external input
supply of the analog I/O power supply is lower
module than prescribed value.
Prescribed value:
Check if the power has
failure has occurred. a problem.
Replace the module
malfunctioning. and check again.
The setting of the station number selection rotary switch of the head module is incorrect.
The setting of the mode selection switch (SW1) of the pulse I/O module is incorrect.
Cause
Check the number of
station number modules connected
selection rotary switch and the setting of the
of the head module is rotary switch.
incorrect.
For the axis mode, the
setting of the last axis
should be 64 or lower.
For the station mode,
the setting of the last
station should be 64 or
lower.
Replace the module
malfunctioning. and check again.
Check if an extension
extension module other module other than the
than the pulse I/O pulse I/O module has
module has been been connected.
connected.
Check the setting of
selection switch (SW1) the axis mode/station
of the pulse I/O module mode selection switch
is incorrect. of the pulse I/O
module.
Check the setting of
set per one block in the the mode selection
axis mode. switch (SW1) of the
pulse I/O module.
Check method Check result
It has a failure.
It has no failure.
The voltage is the
prescribed value or
lower.
The voltage is higher
than the prescribed
value.
20 VDC
It has a problem.
It has no problem.
It is malfunctioning.
Check method Check result
The setting is
incorrect.
The setting is
correct.
It is malfunctioning.
Connected
Not connected
The module is in the
station mode.
The module is in the
axis mode.
Five or more axes
are set per one
block.
Four or less axes are
set per one block.
10 - 7
Action Target
Connect it correctly. [MT2300]
Check (2).
Review the external
input power supply.
Check (3).
Review the power.
Check (4).
Replace the analog
I/O module.
Action Target
Set it correctly and [MT2010]
cycle the power.
Check (2).
Replace the head
module.
Other than the pulse [MT2100]
I/O module cannot
[MT2200]
be used in the axis
[MT2300]
mode. Use the
[MT2400]
station mode, or
remove the module
to use the axis
mode.
Check (2).
Set the axis mode
and cycle the power.
Check (3).
Use four or less axes
per one block.
Replace the pulse
I/O module.