Troubleshooting 51TroubleshootingThe following topics are covered in this section:■ when your radio won’t turn on■ removing the microphone■ reinstalling the microphone■ removing the radio from the vehicle■ describing the radio’s audible tonesWhen your radio won’t turn onIf the red, green and amber LEDs on the control head do notlight up when the radio is turned on, it is likely that no poweris reaching the radio. Check the following:■ Is the power connector firmly plugged into the rear ofthe radio?■ Are the in-line fuses in good condition?■ Is the power cable securely connected to the vehicle bat-tery or power supply?If all appears to be in order, then contact your radio providerfor further assistance.Removing the microphone1 Using your thumb or forefinger, lift up oneof the corners of the microphone grom-met. Firmly (but gently) pull that corneruntil the seal comes away from the cavity.2 Repeat to expose another corner.3 Pull the exposed corners back and slide the grommet upthe microphone cable to reveal the microphone plug.4 Remove the plug from the microphone socket.grommet