Solutions To Problems - Panasonic SC-HG1-ETC User Manual

9.2 Solutions to Problems

9.2 Solutions to Problems
Indicator State
L/A IN
L/A OUT
Blinking
(double flash
(Note 1))
ECAT ERR
indicator
(Red)
Blinking
(blinking
(Note 2))
ERR. indica-
tor Blinking
(Red)
POWER
indicator Unlit
(Green)
Notes: 1) The indicator repeatedly lights up for 0.2 seconds, goes out for 0.2 seconds,
lights up for 0.2 seconds, and goes out for 1 second in this order.
2) After lighting for 0.2 seconds, the indicator repeatedly goes out for 0.2 seconds.
Note
If the product still does not operate normally after you check the above, consult our technical sup-
port center.
9-4
Description
Physical layer link
Lit
establishment
Communication
error (watchdog
timeout)
Hardware fault
Station alias set-
ting error
Nonvolatile mem-
ory data error
Configuration
error
Hardware fault
Lit Hardware fault
Inter-sensor com-
munication error
Hardware fault
Power supply
voltage anomaly
detection
Hardware fault
The system is waiting for operation after a physical layer link has
been established.
• Check whether the telecommunications cables are laid correctly.
• There could be any source of noise near the telecommunications
cables. Review the wiring method.
After checking the wiring, turn the power OFF and then ON.
If the problem cannot be resolved even after the above measures
have been taken, the product could be faulty. In such a case, re-
place this product.
Check whether the station ID setting is within the specified range.
After changing the setting, turn the power OFF and then ON.
Nonvolatile memory data could have been changed. Restore the
nonvolatile memory data to the factory default settings by using
the configurator software provided with the engineering tool manu-
factured by the PLC manufacturer.
After writing the data, turn the power OFF and then ON.
The communication settings are invalid.
Check the settings of the master device by referring to the manu-
als of the master device.
If the problem cannot be resolved even after the above measures
have been taken, the product could be faulty. In such a case, re-
place this product.
Turn the power OFF and then ON. If the problem cannot be re-
solved even after this action has been taken, the product could be
faulty. In such a case, replace this product.
• An error has occurred in Panasonic-specific inter-sensor com-
munications. Review the communication method by referring to
the error code list. (For example, the sensor specification in the
command transmission destination may be incorrect. In such a
case, check the number of connected sensors and then send the
command to the specified sensor.)
• There is a problem with the installation of this product and sen-
sor controllers. Check the installation condition.
• The sensor controller connected to this product could be faulty.
In such a case, replace with a new controller.
If the problem cannot be resolved even after the above measures
have been taken, the product could be faulty. In such a case, re-
place this product.
The power supply voltage is outside the specified range.
• Check whether electric power (24 V) is supplied to this product.
• Check the wiring of the power supply. For details on how to con-
nect the power supply, refer to the user's manual of the controller
connected to this product.
• The power supply capacity varies according to the controller type
or the number of controllers connected. Check the specifications
of the controller connected to this product.
If the problem cannot be resolved even after the above measures
have been taken, the product could be faulty. In such a case, re-
place this product.
Corrective action
WUME-SCHG1ETC-2