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

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8 - 5
8 Trouble Shooting
Wireless Pushbutton Switch User’s Manual (A265)
8-
2 Mast
er Unit
Er
ro
r
8
8-2
-1 Err
or S
tatus of the Master
Unit
8-2 Master Unit Error
This section describes the status of the Master Unit error occurrence and how to Implement counter-
measures.
If an error occurs in the Master Unit, an error signal is output from the error output terminals. At the
same time, an error message will be displayed.
Refer to the 4-4-3 Wiring of Error Output on page 4-15.
Error reset can be executed only when ERR is lit in red and RCV is lit in yellow in the Master Unit’s error
display.
There are two following ways to reset an error.
• Reset operation
• Error clear input
1
Set the "output settings switch" of the Master Unit to ”ERR CLR”.
2
Press the "reset switch" of Master Unit.
3
The error is reset.
8-2-1 Error Status of the Master Unit
Error Output of the Master Unit
Master Unit error Indication
Error LED
(ERR)
Received field strength
monitor (RCV)
Meaning
Lit red
+
Lit green Master Unit setting data error
Lit yellow Error in the most important function (wireless received,
registration/verification, or output)
All LEDs are not lit. Fault in CPU initialization processing at startup
8-2-2 How to Reset the Error of Master Unit
Reset Operation
ERR CLR
Output settings switch
Reset switch