MAINTENANCE 4
■Troubleshooting
The following chart is designed to help correct prob- | If you are unable to locate the cause of a problem or | |||
lems which are not equipment malfunctions. | solve it through the use of this chart, contact the near- | |||
|
| est Icom Dealer or Service Center. |
| |
|
|
|
|
|
PROBLEM | POSSIBLE CAUSE |
| SOLUTION | REF. |
Power does not come | • DC power cable is improperly connected. | • | pgs. | |
on when [POWER] is |
|
|
| 5, 6 |
pushed. | • Fuse is blown. |
| • Check the cause, then replace the fuse with | p. 8 |
|
|
| a spare one. |
|
|
|
|
|
|
No sounds from the | • Volume level is too low. |
| • Rotate [VOLUME] clockwise to obtain a | p. 7 |
speaker. |
|
| suitable listening level. |
|
| • The squelch is closed. |
| • While in base operating mode, rotate [SE- | p. 7 |
|
|
| LECT] to counterclockwise to open the |
|
|
|
| squelch. (When the [SQL Level Up/Down] |
|
|
|
| key function is assigned to [SELECT].) |
|
| • The audio mute function is activated. |
| • Push [MONI] (if assigned) to the audio | – |
|
|
| mute function OFF. |
|
| • A selective call or squelch function is acti- | • Turn the appropriate function OFF. | – | |
| vated such as 5 tone call or tone squelch. |
|
| |
| • The front speaker is set to OFF. |
| • Turn the front speaker ON using the op- | – |
|
|
| tional |
|
|
|
| your dealer for details. |
|
|
|
|
| |
Sensitivity is low and | • Antenna feedline or the antenna connector | • Check and | p. 5 | |
only strong signals are | has a poor contact or is | sary), the antenna feedline or antenna con- |
| |
audible. |
|
| nector. |
|
|
|
|
| |
Received signal cannot | • Optional voice scrambler is turned OFF. | • Turn the optional voice scrambler ON. | – | |
be understood. | • Scrambler code is not set correctly. |
| • Reset the scrambler code. | – |
|
|
|
|
|
Output power is too low. | • Output power is set to Low. |
| • Push [HIGH/LOW] (if assigned) to select | – |
|
|
| the High power. |
|
|
|
|
| |
No contact possible with | • The other station is using tone squelch. | • Turn the tone squelch function ON. | – | |
another station. | • While in base operating mode, the re- | • Set the repeater to simplex, when other | – | |
| peater is set to duplex. |
| transceiver is set to simplex. |
|
|
|
|
|
|
■ Fuse replacement
If a fuse blows or the repeater stops functioning, try to | CAUTION: DISCONNECT the DC power cable |
find the source of the problem, and then replace the | from the repeater. Otherwise, there is danger of |
damaged fuse with a new, rated fuse. | electric shock and/or equipment damage. |
|
|
D Line fuse replacement |
|
Fuse rating: 20 A
USE the 20 A fuse only.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21