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7-3 IN CASE OF DIFFICULTY
The problems described in this table are failures caused, in general, by improper operation or connection of the transceiver, not by defective
components. Check according to the following table.
Symptom
Indicators do not light and no receiver noise is
heard when the POWER switch is turned on.
1. Bad power cable or connections.
2. Blown power supply fuse.
1. Squelch is closed.
2. CTCSS/DCS/PAG/C.SQ is operating.
1. Microphone is not plugged in.
2. Poor antenna connection.
1. Power voltage is low.
2. The DIM is selected too dark.
Poor antenna connection.
1. Plug jack in.
2. Connect antenna securely.
Connect antenna securely
1. Check voltage for 13.8 VDC ±15%.
2. Press the F key and the LOW/DIM key,
select the desired dimmer value.
Press the MHz/LOCK key within ten seconds
of pressing the F key.
The lock is on action.
1. Check cables and connections.
2. Check for the cause of the blown fuse and
replace the fuse.
1. Turn the SQ control counterclockwise.
2. Press the TONE/DUAL or DTMF key to turn off the
CTCSS/DCS or PAG/C.SQ feature.
No sound from the speaker. No signal can be
received.
No transmitter output.
Weak signal cannot be received.
Display is dark.
The display will not change when the tuning
controls rotated or a key is pressed.
Probable
Corrective action
