Yamaha PJP-100H Owner's Manual

Page of 59
TROUBLESHOOTING
46
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 one of the following description pages according to the problem.
– “Q2: Web menu setting is not available” (page 47)
– “Q3: Call is impossible” (page 48)
– “Q4: Other problems” (page 49)
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.
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-100H_UCGB.book  Page 46  Wednesday, August 23, 2006  3:04 PM