Use and maintenance manual
Page 121
Engineering Department PHONE: +39 0532 829 965 - FAX: +39 0532 829 177
E-Mail: support@elenos.com
6. TROUBLESHOOTING
TROUBLESHOOTING GUIDE
Problem
The unit will not power up
The unit does not reach required
power level
The unit transmits on the wrong
frequency
Absence of modulation on the
output and on the display
Absence of modulation on the
output but not on the display
Modulation does not reach the
required value
Absence of stereo modulation
Absence of RDS transmission
Solution
Connect or replace power cable
and try again
Replace the fuses and try again
Contact the manufacturer
Access the RF menu and enable “RF
On”
Connect the antenna or amplifier
(check the integrity of the connection)
Contact the manufacturer
Contact the manufacturer
Contact the manufacturer
Connect or replace the audio cable
Contact the manufacturer
Enable modulation from the audio
menu
Contact the manufacturer
Increase the audio input level
Contact the manufacturer
Set the correct threshold
Enable stereo carrier from the user
setup menu
Connect or replace the audio cable
Contact the manufacturer
Insert stereo board and/or stereo
encoder
Switch on RDS from the user setup
menu
Reprogram RDS board
Insert RDS board
Cause
Power cable missing or faulty
Power supply fuses (rear panel )
blown
Auxiliary power supply faulty
(“MAIN” front panel led not lit)
Unit in Stand-By
Antenna or amplifier not connected
PLL unlocked (“ON Air” front panel
indicator not lit)
Power supply or RF module faulty
PLL board faulty
Missing or faulty audio cable
MPX board faulty
Modulation switched off
MPX board faulty
Low audio input level
MPX board faulty
ALC threshold programming error
Stereo carrier disabled
Missing or damaged audio cable
Stereo board faulty
Missing stereo board and/or stereo
encoder
RDS switched off
RDS message programming error
RDS board missing
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