Fault Finding - Kongsberg Simrad RS86 Instruction Manual

8.5 Fault finding
Symptom
Unit will not switch on
Scan or Memory Scan is
locking on a channel
without a signal
Dual Watch not being
entered
Cannot change channel
Certain channels are
not obtainable
Will not transmit
Will not transmit on 25W • Low voltage when full transmit-
but OK on 1W
Transmissions persistently • Damaged antenna
weak/display flashes
ANT
Part No. E04461
Possible Cause
• Faulty connection to power
• Fuse has blown
• Supply voltage above limit
• Noise on the channel is
holding the scan
• Priority channel selected
• Handset / fistmike off cradle
• Dual Watch (D/W) engaged
• Some channels are restricted
and not programmed depend-
ing on country of purchase
• Scanning or D/W function active
ting current is drawn
• Some channels are restricted to
low power transmission only
• Antenna cable broken
• Poor contact
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.
Instruction Manual
Remedy
• Check power connection
• Replace fuse and check
power supply current
• Check supply voltage is
less than 15.6v
• Increase squelch level
• Inhibit channel from scan
(see section 2.11.1)
• Select a working channel
• Replace handset / fistmike
• Exit Dual Watch
• Consult your national
authority for permitted
channels in your region
• Exit D/W or Scan
• Check power supply
• Consult your national
authority
• Replace antenna
• Replace cable
• Check antenna sockets &
through deck connector
73