Icom ID-31A Instruction Manual - Page 60

Troubleshooting

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8 TROUBLESHOOTING If your transceiver seems to be malfunctioning, please check the following points before sending it to a service center. PROBLEM POSSIBLE CAUSE SOLUTION REF. Transceiver does not turn • The battery is exhausted. ON. • The battery polarity is reversed. • Loose connection of a battery pack (case). • Charge the battery pack, or replace the batteries. pp. 1, 13-16 • Check the battery polarity. p. 15 • Clean battery terminals. - No sound comes from the • Volume level is too low. • Rotate [VOL] to adjust to a desired level. p. 19 speaker. • An external speaker or a cloning cable is con- • Check the external speaker connection or remove - nected to the [SP] jack. the cloning cable. Transmitting is impossible. • A frequency outside of the 430 MHz amateur • Set the frequency within 430 MHz amateur bands. p. 23 bands is set. • The PTT Lock function is activated. • Set the PTT Lock function to OFF in the FUNCTION p. 44 Menu. Transmitting using the VOX • T he VOX Level is set to OFF or too low. function is impossible. • T he MIC Gain is too low. • S et the VOX Level to a suitable level. • Set the MIC Gain to a suitable level. p. 59 p. 45 Contacting with another • A different tone or code is used for the tone/ • Check the tone/DTCS by performing a tone scan. p. 27 station is impossible. DTCS squelch. Frequency cannot be set. • The Key Lock function is activated. • Hold down [LOCK] for 1 second to cancel the p. 26 Key Lock function. • T he memory mode, Call channel mode, or DR • Push [V/MHz] to select the VFO mode. p. 21 mode is selected. A program scan does not • T he memory mode, Call channel mode, or DR • Push [V/MHz] to select the VFO mode. p. 21 start. mode is selected. • T he same frequency has been programmed in • Program different frequencies in the scan edge p. 28 the scan edge channels, "✱A" and "✱B." channels. A memory scan does not • The VFO mode or Call channel mode is selected. • Push [M/CALL] to select the memory mode. start. • Only one or no memory channel has been pro- • Program two or more memory channels. grammed. p. 21 p. 28 The displayed frequency is • The CPU has malfunctioned. erroneous. • External factors have caused a fault. • Reset the transceiver. • Remove and reattach the battery pack/case. p. 50 p. 1 51

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51
TROUBLESHOOTING
8
If your transceiver seems to be malfunctioning, please check the following points before sending it to a service center.
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
Transceiver does not turn
ON.
• The battery is exhausted.
• The battery polarity is reversed.
•
Loose connection of a battery pack (case).
• Charge the battery pack, or replace the batteries.
• Check the battery polarity.
• Clean battery terminals.
pp. 1, 13–16
p. 15
–
No sound comes from the
speaker.
• Volume level is too low.
• An external speaker or a cloning cable is con
-
nected to the [SP] jack.
• Rotate [VOL] to adjust to a desired level.
• Check the external speaker connection or remove
the cloning cable.
p. 19
–
Transmitting is impossible.
• A frequency outside of the 430 MHz amateur
bands is set.
• The PTT Lock function is activated.
• Set the frequency within 430 MHz amateur bands.
• Set the PTT Lock function to OFF in the FUNCTION
Menu.
p. 23
p. 44
Transmitting using the VOX
function is impossible.
• The VOX Level is set to
OFF or too low.
• The MIC Gain is
too low.
•
Set the VOX Level to a suitable level.
•
Set the MIC Gain to a suitable level.
p. 59
p. 45
Contacting with another
station is impossible.
• A different tone or code is used for the tone/
DTCS squelch.
• Check the tone/DTCS by performing a tone scan.
p. 27
Frequency cannot be set.
• The Key Lock function is activated.
• The memory mode, Call channel mode, or DR
mode is selected.
• Hold down [LOCK]
for 1 second to cancel the
Key Lock function.
• Push [V/MHz]
to select the VFO mode.
p. 26
p. 21
A program scan does not
start.
• The memory mode, Call channel mode, or DR
mode is selected.
• The same frequency has been programmed in
the scan edge channels, “
✱
A” and “
✱
B.”
• Push [V/MHz]
to select the VFO mode.
• Program different frequencies in the scan edge
channels.
p. 21
p. 28
A memory scan does not
start.
•
The VFO mode or Call channel mode is selected.
• Only one or no memory channel has been pro
-
grammed.
•
Push [M/CALL]
to select the memory mode.
• Program two or more memory channels.
p. 21
p. 28
The displayed frequency is
erroneous.
• The CPU has malfunctioned.
• External factors have caused a fault.
• Reset the transceiver.
• Remove and reattach the battery pack/case.
p. 50
p. 1