Yamaha PJP-50R User Manual

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: Web menu setting is not available” (pages 39)
– “Q3: A call cannot be made” (pages 40)
– “Q4: Other problems” (pages 41)

This unit is not turned on.

Check that the AC adapter and power cable 
are connected properly.

The power cable is not connected to the AC 
outlet.

Check that the power cable is connected to 
the AC outlet properly.

The main or branch circuit breaker is shut 
off.

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.

There is a power failure.

Wait until the power supply is restored.

Power is not supplied to the AC outlet.

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.

The microphones are muted (the MIC MUTE 
LED lights up).

Press MIC MUTE so that the MIC MUTE 
LED is turned off.