Troubleshooting; Checklist - Pioneer DEQ-P90 Owner's Manual

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 7.
3. If the malfunction continues even after pressing the RESET button, contact
your dealer or nearest authorized Pioneer Service Station.

Checklist

Symptom
No Operation
Unnatural sound
55
Cause
The battery is not
connected.
An yellow lead is not
properly connected.
A black lead (ground) is
not properly connected.
A blue/white lead is not
properly connected.
The fuse is blown.
Incorrect connection.
The mode setting switches
are incorrectly set.
Remedy
Connect the battery.
Connect all yellow leads
to the battery terminal,
supplied with constant
power, regardless of the
ignition switch position
after running them through
the vehicle's fuse unit.
Firmly connect all the black
leads to the vehicle (metal)
body.
Connect the blue/white
lead of the RCA input power
amplifier to the blue/white
lead of this unit.
Remove the cause and
replace with another fuse
of the same rating.
Make sure all the
connectors are properly
connected.
Set the mode setting
switches correctly, then
press the RESET button.
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