Kenwood TH78E - Manual (Page 58)

TROUBLESHOOTING
The following problems are generally caused by
improper transceiver operation or connection, not by
defective components.
If you experience any of these problem causes and
corrective actions before requesting service.
Symptom Probable Cause Corrective Action
Indicators do not light and no 1. Low voltage. 1. Recharge/ replace the battery.
receiver noise is heard when the 2. With optional DC cable: 2.
POWER switch is turned on. 1) Bad power cable or 1) Check cables and connections.
connections.
2) Blown power supply fuse. 2) Check for the cause of the
blown fuse and replace the fuse.
No sound from the speaker. 1. Squelch is closed. 1. Turn the SQL control
No signal can be received. 2. With the TSU-7: CTCSS is counterclockwise.
operating. 2. Press the F key, then press the 3
key to turn off the CTCSS.
3. DTSS is operating. 3. Press the F key, then press the 2
key to turn off the DTSS.
4. Paging is operating. 4. Press the F key, then press the 1
key to turn off the Paging.
No control works. 1. LOCK is ON.
2. T.ALT is ON.
1. Press the F key, then press the M
key.
2. Press the F key, then press the 5
key.
Memory channel cannot be Nothing is stored in the memory See Using the Memory (page 19)
recalled. channel.
Memory cannot be backed up. 1. Battery voltage is low. 1. Recharge the battery.
2. Battery case removed. 2. Install the Battery case.
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