Please use the chart on page 25 for instructions on how to adjust the room station.
Not Functioning?
22
Does the
System have
Is the system
transmitting
Does the room
station respond to a
O
A. The Power switch is turned off.
B. The power fuse is burned out.
C. The power to this area has been cut off.
A. The DTR unit has failed.
B. The Microphone has failed.
C. The handset wire is cut.
D. The amplifier IC has failed.
A. Room Station's code is incorrectly set.
B. Volume setting is too low.
C. Decoding IC has failed.
D. Sound IC has failed.
NO
Is the Display
functioning ?
The System should
be functioning
Does the LCD
brighten ?
Does the LCD
display an
YES
YES
NO
A. The LCD has failed.
B. The control IC has
failed.
The Display wire is
broken.
properly.