Table of Contents
Advertisement
TROUBLESHOOTING
Refer to the following tables when this unit does not function properly. If the problem you are experiencing is not listed
or if the instruction does not help, contact your nearest authorized YAMAHA dealer or service center.
First, check if the microphone indicators light up. If the indicator is turned off, see "Q1: LED indicators do not light up"
below. For other cases, refer to one of the following pages according to the problem.
– "Q2: A call cannot be made" (page 21)
– "Q3: Other problems" (page 22)
Q1: LED indicators do not light up
Problem
The microphone indicators do not
light up.
20
Troubleshooting
Cause
This unit is not turned on.
The power cable is not connected to the AC
outlet.
The main or branch circuit breaker is shut
off.
There is a power failure.
Power is not supplied to the AC outlet.
The microphones are muted (the MIC MUTE
LED lights up).
Remedy
Check that the AC adapter and power cable
are connected properly.
Check that the power cable is connected to
the AC outlet properly.
If the circuit breaker is tripped to "OFF", set
it to "ON".
If the circuit breaker is "ON", set it to "OFF"
then "ON" again.
Wait until the power supply is restored.
If another electrical appliance also cannot be
turned on, have the power outlet or power
wiring serviced.
If another electrical appliance can be turned
on, have this unit serviced.
Press MIC MUTE so that the MIC MUTE
LED is turned off.
Advertisement
Table of Contents
Troubleshooting
