Yamaha PJP-100UH - Manual (Page 25)

21
A
DDITIONAL
INF
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M
A
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English
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).
TROUBLESHOOTING
Q1: LED indicators do not light up
Problem Cause Remedy
The microphone indicators do not
light up. This unit is not turned on. 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.
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.
(Carry out the test by connecting another
electrical appliance to the AC outlet.) 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.
The microphones are muted (the MIC MUTE
LED lights up). Press MIC MUTE so that the MIC MUTE
LED is turned off.
01EN_00_PJP-100UH_UCGB.book Page 21 Wednesday, August 23, 2006 1:49 PM