18 TROUBLESHOOTING
Problem |
| Probable Cause |
| Corrective Action | Page |
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Attempting to | 1 | The antenna is not connected | 1 | Check the antenna connection. | 72 |
transmit results in |
| correctly. |
| Correct as necessary. |
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the “HELLO” | 2 | The impedances of the antenna and | 2 | Reduce the SWR of the antenna | 1 |
message appearing |
| transceiver are not properly |
| system. |
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and the receive |
| matched. |
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mode being | 3 | The input voltage is outside 13.8 V | 3 | Correct the input voltage or use a 12 to | 2 |
restored. |
| DC ±15% (11.7 to 15.8 V DC). |
| 16 V battery. |
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| 4 | The current rating of the DC power | 4 | Use a DC power supply that has a | 2 |
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| supply is not enough. |
| current rating of more than 20.5 A at |
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| 13.8 V DC. |
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The transceiver has | 1 | The microphone gain is set too low. | 1 | When in SSB or AM mode, increase | 20 |
low transmit power. |
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| the microphone gain. |
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| 2 | Poor antenna system connections | 2 | Check the antenna connections. | 72 |
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| are causing high SWR. |
| Confirm that the antenna tuner is |
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| reporting a low SWR. |
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VOX does not | The VOX gain is set too low. | Increase the VOX gain. | 39 | ||
operate. |
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HF Linear amplifier | 1 | The linear amplifier control relay is | 1 | Change Menu No. 28A to ON. | 76 |
does not operate. |
| OFF. |
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| 2 | The REMOTE connector wiring is | 2 | Inspect the REMOTE connector wiring | 94 |
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| wrong or faulty. |
| and correct as necessary. |
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50 MHz, 144 MHz, | 1 | The linear amplifier control is OFF. | 1 | Change Menu Nos. 28B ~ 28E to ON. | 76 |
430/ 440 MHz or | 2 | The linear amplifier control cable is | 2 | Connect the cable to the EXT.CONT | 96 |
1.2 GHz linear |
| connected to the REMOTE |
| connector. |
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amplifier does not |
| connector. |
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operate. | 3 | The EXT.CONT connector wiring is | 3 | Inspect the EXT.CONT connector | 96 |
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| wrong or faulty. |
| wiring and correct as necessary. |
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You cannot access | 1 | Many repeaters require a subtone or | 1 | Review “FM REPEATER OPERATION” | 32 |
and use repeaters. |
| 1750 Hz tone to access. |
| and select the correct frequency and |
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| type of subtone. |
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| 2 | Shift direction or shift frequency is | 2 | You must transmit on the repeater’s | 32 |
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| wrong. |
| input frequency and receive on the |
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| repeater’s output frequency. Refer to |
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| “FM REPEATER OPERATION”. |
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Digital operation | 1 | Physical connections between the | 1 | 94,95 | |
results in few or no |
| transceiver, computer, and |
| manual, your TNC/MCP manual, and |
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connects or contacts |
| TNC/MCP is incorrect, or software |
| your computer hardware manual as |
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with other stations. |
| settings in the TNC/MCP are wrong. |
| references. |
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| 2 | Different transmit and receive | 2 | Confirm that the RIT and XIT functions | 38,40 |
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| frequencies are being used. |
| are switched OFF. Confirm that you |
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| are NOT operating split frequency. |
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| 3 | The levels between the transceiver | 3 | Adjust TX and RX levels using Menu | 50 |
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| and the TNC/MCP are incorrect. |
| Nos. 50B ~ 50D, and level controls on |
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| your TNC/MCP. |
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| 4 | Your transmitted signal or the | 4 | Reorient/relocate your antenna or | – |
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| incoming receive signal is too weak. |
| increase your antenna gain. |
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| 5 | The TX delay time parameter in your | 5 | Set the TNC/MCP TX delay time to | – |
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| TNC/MCP was incorrectly set. |
| more than 300 ms. |
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Attempts at | 1 | Problem with the cable that connects | 1 | Check the cable and cable | 93 |
controlling the |
| the PC to the |
| connections. |
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transceiver with the | 2 | Communication parameters set in your | 2 | Use the same parameters in the | 81 |
computer have |
| terminal program do not match |
| terminal program and the transceiver. |
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failed. |
| transceiver parameters. |
| Check the Menu No. 56. |
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