AudioEnhancement.com
(800) 383-9362
40
No Audio
Is your power supply plugged into the amplifier/receiver and the wall outlet?
YES
– Is the power switch set to “On” and the indicator light green?
YES
– Is the teacher transmitter turned on with a green
battery
light?
YES
– Is the green indicator light on the
amplifier/receiver
for
Teacher
1
or
2
on?
YES
– Try another transmitter in
your room to determine if it works
and contact Promethean.
NO
– Verify if a red light is
showing on the dome sensor
and contact Promethean.
NO
– Are your batteries fully charged?
YES
– If the batteries are more
than 1 year old please replace the
batteries. If the problem persists
contact Promethean for assistance.
NO
– Charge the batteries over-
night.
NO
– Will other items power up in that outlet?
YES
– If available try another outlet. If the
problem
persists
contact
Audio
Enhancement.
NO
– Contact the school
NO
– Plug in the amplifier/receiver to the wall outlet.
Troubleshooting