Troubleshooting - Entel HT644 GMDSS User Manual

SYMPTOM
Transceiver not switching on
The scan key does not start
the scan
Cannot change any function
The LED on the charger does
not illuminate when charging
No transmit or cannot select
high power
Transceiver transmits without
pressing PTT button Buttons
seem to work intermittently

Troubleshooting

PROBABLE CAUSE
Battery needs charging or
battery is exhausted
No channels memorised
(MEM) Squelch is not adjusted
Key lock is switched on
Defective battery or charger.
Dirty terminal contact on
battery or charger
Some channels are low power
only Battery pack exhausted
VOX has been enabled
Charge the battery pack
replace the battery pack
Use the MEM key to enter
desired channels into scan
memory.Adjust the squelch to
threshold or to the point
where the white noise just
disappears.
Turn key lock off
Contact your dealer Clean
contacts with dry clean cloth
Change to high power channel
Charge / replace the battery
Hold MEM button for 2 secs,
use UP or DOWN button &
select "off" to turn VOX
off
18
REMEDY