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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.
Troubleshooting Guide
SOLUTIONPOSSIBLE CAUSEPROBLEM
Nothing happens when the
buttons are pressed.
The computer chip in the unit is not functioning normally. Press the reset button on the unit (see page 5).
The antenna control wire is not connected. Connect the wire correctly, referring to the section on
"Connecting Wires to Terminals".
Radio reception is poor. The car antenna is not extended. Pull out the antenna all the way.
The power does not turn on. The fuse has blown. After checking for short circuits in the wires, replace the
fuse with one having the same rating.
The memory is erased when
the ignition is turned off.
The battery wire has not been connected to the proper
terminal.
Connect the wire correctly, referring to the section on
"Connecting Wires to Terminals".
The ignition and battery wire are incorrectly connected. Connect the wire correctly, referring to the section on
"Connecting Wires to Terminals".
TV (AUX) cannot be selected. "Built-in AUX Control" is turned off. Refer to the "Built-in AUX Control" in the menu setting
(page 54) and turn on the "Built-in AUX Control" .
Z910DVD(K)_U.S 02.12.13 6:43 PM Page 65