Motorola RMU2040 Guide De L'utilisateur page 51

TROUBLESHOOTING
Symptom
No Power
Hearing other noises or
conversation on a channel
Message Scrambled
Audio quality not good enough
48
English
Recharge or replace the Li-Ion battery.
Extreme operating temperatures may affect battery life.
Refer to "About the Li-Ion Battery" on page 13
Confirm Interference Eliminator Code is set.
Frequency or Interference Eliminator Code may be in use.
Change settings: either change frequencies or codes on all radios.
Make sure radio is at the right frequency and code when transmitting.
Refer to "Talking and Monitoring" on page 25
Scramble Code might be ON, and/or setting does not match the other radios'
settings.
Radio settings might not be matching up correctly. Double check frequencies,
codes and bandwidths to make sure they are identical in all radios
Try This...