YASKAWA varispeed G7 CIMR-G7B series Instruction Manual page 400

Display
SI-F/G Communications Error
Detected
A communications error was detected
E-15
when a Run Command or frequency
SI-F/G
reference was set from an option
故障
board and continuous operation was
set for the E-15 operation selection.
E-10
SI-F/G Option Board CPU Failure
SI-F/G
SI-F/G Option Board operation failed.
芯片
Digital Operator Communications
Error 1
Communications with the Digital
Operator were not established within 5
CPF00
seconds after the power was turned
操作器
on.
故障 1
CPU External RAM Fault
Digital Operator Communications
Error 2
CPF01
After communications were estab-
操作器
lished, there was a communications
故障 2
error with the Digital Operator for
more than 2 seconds.
CPF02
Baseblock Circuit Error
BB 回路
故障
CPF03
EEPROM Error
EEPROM
故障
CPF04
CPU Internal A/D Converter Error
内部 A/D1
故障
-10
7
Table 7.1 Fault Displays and Processing (Continued)
Meaning
Digital Operator connection is faulty.
Inverter control circuit is faulty.
The Digital Operator's connector isn't
connected properly.
The Inverter's control circuits are
faulty.
The control circuits were destroyed.
The Digital Operator isn't connected
properly.
The Inverter's control circuits are
faulty.
The control circuit is damaged.
The Inverter power supply was shut
off while writing data to the Inverter
constants.
The control circuit is damaged.
The control circuit is damaged.
• A short-circuit between +V, −V, and
AC terminals occurred.
• Overload in the control circuit ter-
minal.
Probable Causes
Check the communications sig-
-
nals.
Disconnect and then reconnect the
Digital Operator.
Replace the Inverter.
Disconnect the Digital Operator
and then connect it again.
Replace the Inverter.
Try turning the power supply off
-
and on again.
Replace the Inverter.
Disconnect the Digital Operator
and then connect it again.
Replace the Inverter.
Try turning the power supply off
-
and on again.
Replace the Inverter.
Try turning the power supply off
-
and on again.
Initialize the constant settings
(A1-03).
Replace the Inverter.
Try turning the power supply off
-
and on again.
Replace the Inverter.
• Make sure that incorrect wiring
• Check the resistance and wir-
Corrective Actions
has not been done.
ing for the frequency setting
potentiometer, etc. (Check that
the current for terminals +V and
–V is 20 mA or less.)