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Troubleshooting
When an error occurs, locate the cause according to the list below. In most cases, the prob-
lem is incorrect connections or settings.
1. Double check the connections and settings using the Checklist.
2. If connections and settings are correct, press the reset button.
Refer to “Resetting the microprocessor” on page 3.
3. If the malfunction continues even after pressing the reset button, contact
your dealer or nearest authorized Pioneer Service Station.
Checklist
Symptom Cause Remedy Page
No Operation The battery is not Connect the battery. -------
connected.
A red lead is not Connect all red leads 10
properly connected. to the battery terminal, 14
supplied with constant
power, regardless of the
ignition switch position
after running them through
the vehicle’s fuse unit.
A black lead (ground) is Firmly connect all the black 10
not properly connected. leads to the vehicle (metal) 14
body.
The fuse is blown. Remove the cause and 10
replace with another fuse
of the same rating.
Incorrect connection. Make sure all the 10 ~ 15
connectors are properly
connected.
Unnatural sound The mode setting switches Set the mode setting 4 ~ 9
are incorrectly set. switches correctly, then
press the reset button.
