Instruction Manual
47
E03912 Issue 2.0
5.5 Troubleshooting
Symptom
Possible Cause
Remedy
Unit will not switch on
* Faulty connection to power
* Check power connection
* Fuse has blown
* Replace fuse and check
power supply current
Scan or Memory Scan is
* Noise on the channel is holding
* Increase squelch level
locking on a channel
the scan
* Inhibit channel from scan
without a signal
(see section 2.11.1)
Dual Watch not being
* Priority channel selected
* Select a working channel
entered
* Handset off cradle
* Replace handset
Cannot change channel
* Dual Watch (D/W) engaged
* Exit Dual Watch
Certain channels are
* Some channels are restricted
* Consult your national
not obtainable
and not programmed depending
authority for permitted
on country of purchase
channels in your region
Will not transmit
* Scanning or D/W function active
* Exit D/W or Scan
Will not transmit on 25W * Low voltage when full transmit-
* Check power supply
but OK on 1W
ting current is drawn
* Some channels are restricted to
* Consult your national
low power transmission only
authority
Transmissions persistently * Damaged antenna
* Replace antenna
weak /display flashes
* Antenna cable broken
* Replace cable
ANT
* Poor contact
* Check antenna sockets &
through-deck connector
These simple checks should be carried out before seeking tech-
nical assistance and may save time and expense. Before con-
tacting your servicing agent, please obtain the radio’s serial
number. The software iteration should also be quoted – this is
shown in the large digits on the display for 2 seconds after the
radio is turned on and should be written in the box below for
future reference.
RADIO SERIAL No. SOFTWARE
ITERATION
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