137
Console LED display
Cause
Where to check and how to
take actions
Reference
1. Wiring between PG and VF66B
(DC motor drive) is not
provided.
Check the wiring.
[Contents]
It starts when the
armature voltage
command exceeds the
sum of the voltage
corresponding to the
speed detected from PG
which is attached to the
motor and the limit width
of the voltage
corresponding to the
speed (E-13) for the
duration of 100 ms
continuously.
2. The setting of the number of
PG-pulse (A-08) is incorrect.
Check the number of
PG-pulse.
Chapter 6, 6.2
Area A
Chapter 7, 7.2
Area A
3. The polarity of the field current
is incorrect.
Check the polarity of the
field current.
4. The phase order of PG is
incorrect.
Check the phase order of
PG.
Console LED display
Cause
Where to check and how to
take actions
Reference
1. It starts due to instantaneous
reduction of the control power
supply 5 V, etc.
Check the connection of
[CN1] of the printed
control board [VFC66-Z].
When the optional board
is connected, check the
connection of [CN4] and
[CN7] of the printed
control board [VFC66-Z].
TB1
CN-SO
CN-SI
RY1
CN3
SW2
SW1
CN4
LED1
52MA
86Aa
86Ab
P
COM
GND
+10
PS
PS
MI3
GND
GND
52MA
86A
MO1
MO2
AOT1
AIN1
ST-F
MI1
MI2
MI4
MI5
CN5
3
1
ON
RY2
CN6
SET66-Z
CN7
CN4
VFC66-Z
[Contents]
It starts when the CPU
performs an abnormal
operation.
*
in the last digit
shows a number to
distinguish errors.
2. The printed control board
[VFC66-Z] and the main circuit
printed board [GAC66-Z or
MAC66-Z] malfunction.
Replace the printed
boards.
Chapter 9 Replace
the Printed Control
Board [VFC66-Z]
* When this problem is not solved after both actions are taken,
you should
contact us.
[CN4][CN7]
[CN1]
