8
Replacing electronic components
Communication module (1)
Symptom:
The wireless LAN on/off function is grayed out and the network 
name and IP address are blank.
When the machine is turned ON, MC15000 performs 
wireless LAN initialization according to either of the following 
procedures:
a)  An initialization according to the default setting value.
b)  An initialization according to the previously stored setting 
value.
In case of procedure b), it may require 20 seconds maximum 
to perform the initialization.
Exit the wireless LAN setup menu. Be sure that 20 seconds 
have passed after turning the power switch ON, and select the 
menu again.
If the symptom persists after 20 seconds of standby time, 
the communication module may be out of order or installed 
improperly. Replace the communication module or try installing 
the module again by following the procedure in next page.
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