Q1:Lamps Are Off - Yamaha fwx120 Operation Manual

Q1
Lamps are off
Symptom

Lamps are all off.
The LAN1 lamp
does not light up.
Cause

The POWER switch is in
STANDBY.
The power cord is not plugged
into an electrical outlet.
The main breaker or individual
breaker is thrown.
The power is out.
No power is supplied to the
electrical outlet.
(Other electrical appliances
do not function either.)
The hub or PC is not powered
on.
Although the device is
connected to the LAN1 port
correctly, the LAN1 lamp of
the product will not light up if
the device power is off.
The device is not connected
correctly.
A LAN cable is not used.
The ISDN cable is used.
(Attention is needed as the
shape of the connector is
exactly the same.)
The cable is disconnected.
The LAN (network) card of
the PC does not function
correctly, or the connection
mode does not match with
that of the product.
Remedy
Turn on the POWER switch.
If the power cord is not plugged in, plug
it in correctly.
If the breaker is "OUT", turn it "IN".
•
If the breaker is "IN", turn it "OUT",
•
and then turn "IN" again.
When the power is out, wait for service
to be restored.
If other appliances do not function
•
either, ask for repair of the electrical
outlet or electrical wiring.
If other appliances function, ask for
•
repair of the product.
Power on the device connected to the
product.
Disconnect the connectors from the
product, PC and hub, and reconnect
them until the connector clicks.
Use the LAN cable.
Replace with another LAN cable.
Check that the LAN board (card) of
•
the PC is installed correctly, and it
functions correctly.
Check if the communication speed
•
and connection (duplex) mode of the
LAN board (card) of the PC matches
with those of the product.
FWX120 Operation Manual  167
Troubleshooting
8