— 19—
Troubleshooting Guide
If you use this for the first time, it may be difficult to
receive signals in the beginning. In such a case, leave
the SIRIUS source ON for 3 minutes and turn it OFF
and ON.
What might appear 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.
?The Sirius mode cannot be selected.
✔The Sirius connection wire is not connected.
☞Use the Sirius connection wire to connect the control unit and the
Sirius satellite radio tuner.
✔The PROTOCOL selection switch of the changer switching unit "KCA-
S210A" is not set properly.
☞Set the PROTOCOL selection switch to "N" position.
✔The changer switching unit "KCA-S210A" is not connected properly.
☞Connect the KTC-SR903 to the terminal labelled TO CHANGER 2.
See the section on <Connecting Wires to Terminals>.
?Nothing happens when the buttons are pressed.
✔The computer chip in the unit is not functioning normally.
☞Press the reset button on the Control/Controller unit .
?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>.
?No broadcast can be received.
✔The Sirius antenna is not connected.
☞Connect it properly by referring to <Connecting Wires to
Terminals>.
✔No subscription is established.
☞Subscribe to SIRIUS.
The following messages are displayed when certain
problems are occurring in your system. Take the
recommended actions.
ANTENNA ERROR / ANT ERR / ANT ERROR:
Antenna is not connected correctly.
➪Make sure the antenna is connected correctly and then
turn OFF/ON of the SIRIUS source or Control unit.
TUNER ERROR / TUNE ERR :
Broadcast cannot be received due to an error in this unit.
➪Turn OFF/ON of the SIRIUS source or Control unit, or
press the reset button of Control unit.
ESN ERROR / ESN ERR :
ESN (Electronic Serial Number) is not registered in this unit.
➪Consult your nearest service center.
KTC-SR903(K)English 04.4.20 6:02 PM Page 19