Troubleshooting - Icom IC-M803 Instruction Manual

11

TROUBLESHOOTING

The transceiver does not turn ON.
z Bad connection to the power supply.
→Check the connection between the transceiver and the power supply. (p. 71)
z The fuse is blown.
→Repair the problem, and then replace the fuse. (pp. 76, 77)
Little or no sound comes from the speaker.
z Squelch level is set too high.
→Set the squelch (S-meter Squelch level) to the threshold point. (p. 18)
z Volume level is set too low.
→Set the volume level to a suitable level. (p. 4)
You cannot transmit or cannot select high power.
z Some channels are set for low power or receive only by regulations.
→Change channels. (p. 12)
z The output power is set to low.
→Push
No beep sounds.
z The Key Beep function is OFF.
→Turn ON the function. (p. 62)
The Main screen is not displayed at power ON.
z MMSI (DSC self ID) code is not set
→Set the MMSI (DSC self ID) code. (p. 9)
Individual or Group ID cannot be set.
z The entered ID code is incorrect. The first digit must be set to between '1' and '9' for an Individual ID.
→Enter a correct ID code. (p. 24)
"??" blinks instead of the position and time.
z 4 hours have passed since you manually entered the position.
z The GPS position is invalid.
→Enter the position and time. (p. 26)
"No Position" and "No Time" are displayed instead of the position and time.
z The GPS signal is not correctly received.
→Check the GPS antenna is located where it has a clear view to receive a signal from satellites. (p. 69)
→Check the cable connection to GPS-DATA or GPS-ANT. (p. 69, 79)
z The position and time have not been manually entered.
→Enter the position and time. (p. 26)
Sensitivity is too low, and only strong signals can be heard.
z The antenna is defective, or the coaxial cable connector is shorted or cut.
→Repair the problem, and then reconnect the antenna connector. (p. 70, 72)
The communication cannot be established.
z The antenna is defective, or the coaxial cable connector is shorted or cut.
→Repair the problem, and then reconnect the antenna connector. (p. 70, 72)
"The transceiver cannot receive or transmit. Contact your dealer" is displayed.
z The transceiver's Phase Lock Loop is unlocked.
→Contact your dealer.
The transceiver is locked up and does not respond.
z The software error has occurred.
→The transceiver will automatically restart after approximately 10 seconds has passed.
82
to select high power. (p. 18)