Omron A2W-R**-WC1 Series, User Manual

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8 Trouble Shooting
8 - 2 Wireless Pushbutton Switch User’s Manual (A265)
8-1 Trouble Situations and How to Imple-
ment Countermeasures
This section describes trouble situations of the wireless pushbutton switches system and how to imple-
ment countermeasures.
8-1-1 Troubles at Installation or Operation
Situation Possible cause Troubleshooting methods
Master Unit’s power is not turned
ON. The power supply terminal of the
Master Unit is not connected
properly. Correctly connect again.
24 VDC power is not supplied. Connect another 24 VDC supplied
device instead of the Master Unit and
check whether 24 VDC is supplied. If 24
VDC is supplied, the repair or replace-
ment of the Master Unit is needed.
The Master Unit can not receive
signals from all the Slave buttons. The Master Unit is not correctly
connected to the equipment to be
controlled. Correctly connect again.
The antenna of Master Unit is
loose. Tighten again so that there is no loose-
ness.
The Master Unit can not receive a
signal from a specific Slave but-
ton. The ID of the Slave button used
for Master Unit is not registered. Register the ID of the Slave button to be
used in the Master Unit.
The operating frequency of the
Slave button is different from one
of the Master Unit. Make the same between the Master Unit
and the Slave buttons at the radio fre-
quency displayed on the Master Unit
device.
Signal is not being transmitted
from the Slave button. Confirm that the reception confirmation
LED lights after operating the Slave but-
ton. If it does not light up, replacement is
necessary as the Slave button has
failed.
Wireless communications are
interrupted. An object blocking radio waves
was placed on the communica-
tions path. • Move the blocking object after obtain-
ing permission.
• Move the installation location of Mas-
ter Unit and Slave button.
A device that generates noise is
nearby. Keep the Master Unit and Slave button
away from the noise source by about 1
m.
Radio waves are weak.
(Yellow LED always lit) A Master Unit or Slave button is
installed on the floor. Install the Master Unit and Slave buttons
at a relatively high position (about 1.5 m
high).
There are radio wave obstacles. Keep the Master Unit and Slave buttons
away from radio wave obstacles about 1
m away
The antenna is not oriented prop-
erly. Adjust the orientation of the antenna and
secure it firmly.