Troubleshooting; Q1: Led Indicators Do Not Light Up - Yamaha PJP-100UH Mode D'emploi

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 the 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. Otherwise, consult "Q2: A problem in the communication audio" (page 22).

Q1: LED indicators do not light up

Problem
The microphone indicators do not
light up.

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.
(Carry out the test by connecting another
electrical appliance 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.
If this unit has been turned off by pressing
and holding MIC MUTE (page 4), pressing
any key of this unit turns it on again.
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 appliance can neither be turned on,
have the power outlet or power wiring
serviced.
If another appliance can be turned on, have
this unit serviced.
Press MIC MUTE so that the MIC MUTE
LED is turned off.
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