86 TroubleshootingWhen your radio won’t turn onIf the red, green and amber LEDs on the control head donot light up when the radio is turned on, it is probablethat power is not reaching the radio. Check thefollowing:■ Is the power connector firmly plugged into the rearof the radio?■ Are the in-line fuses in good condition?■ Is the power cable securely connected to the vehiclebattery or power supply?If all appears to be in order, but your radio still fails tooperate properly, contact your radio provider for furtherassistance.Identifying the radio’s audible tonesThe radio’s audible tones can help you identify apotential problem:Audible tone MeaningOne short, high-pitched beepThe radio has been made inoperable(‘stunned’ or ‘inhibited’) by your serviceprovider.Two short beeps The radio has been made operable(‘revived’ or ‘uninhibited’) by your serviceprovider.Two low-pitchedbeepsThe radio’s temperature is high. (The radiowill continue to operate.)Two high-pitchedbeepsThe radio’s temperature is in the very highrange and all calls will now be at lowpower. If the radio’s temperature risesabove this range, calls will be inhibited.Turn off the radio and allow it to cooldown.
