— 17 —
What might seem to be a malfunction in your unit may
just be the result of slight misoperation or miswiring.
Before calling service, first check the following table
for possible problems.
SIRIUS source
?
The power does not turn ON.
01
✔
The fuse has blown.
☞
After checking for short circuits in the wires, replace the fuse with
one with the same rating.
✔
No ACC position on vehicle ignition.
02
☞
Connect the same wire to the ignition as the battery wire.
✔
The SIRIUS satellite radio tuner is not connected properly.
55
☞
Connect the SIRIUS satellite radio tuner directly to this unit.
?
Nothing happens when the buttons are pressed.
04
✔
The computer chip in the unit is not functioning normally.
☞
Press the Reset button on the controller unit (page 3).
?
No sound can be heard, or the volume is low.
58
✔
The input/output wires or wiring harness are connected incorrectly.
☞
Reconnect the input/output wires and/or the wiring harness
correctly. See the section on <Connecting Wires to Terminals>.
?
No broadcast can be received
2
✔
The SIRIUS antenna is not connected.
☞
Connect it properly.
✔
No subscription is established.
53
☞
Subscribe to SIRIUS.
?
No sound is heard even though the information concerning the
SIRIUS satellite radio tuner is displayed.
67
✔
The microcomputer does not function correctly.
68
☞
Press the Reset button of the controller unit.(Page 3)
✔
The system is not connected properly.
69
☞
Connect the system properly. See <Connecting Wires to
Terminals>.
HD Radio source
?
The power does not turn ON.
01
✔
The fuse has blown.
☞
After checking for short circuits in the wires, replace the fuse with
one with the same rating.
✔
No ACC position on vehicle ignition.
02
☞
Connect the same wire to the ignition as the battery wire.
?
Nothing happens when the buttons are pressed.
04
✔
The computer chip in the unit is not functioning normally.
☞
Press the Reset button on the controller unit (page 3).
?
No sound can be heard, or the volume is low.
✔
The input/output wires or wiring harness are connected incorrectly.
☞
Reconnect the input/output wires and/or the wiring harness
correctly. See the section on <Connecting Wires to Terminals>.
✔
The preset broadcast station is not transmitting in the mode that was
set with <Receive Mode>.
☞
Please set <Receive Mode> to "Auto".
✔
In digital AM broadcasting, receive mode switches between stereo
and monaural too often.
☞
Receiving condition is bad or unstable. Stereo is chosen when
receiving condition is good, and it switches to monaural when the
condition becomes bad.
?
Radio reception is poor.
✔
The car antenna is not extended.
☞
Pull the antenna out all the way.
✔
The antenna control wire is not connected.
☞
Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
Troubleshooting Guide
KCA-CM50_U.S 03.9.2 11:20 AM Page 17
