Pioneer AVIC-X940BT, Service Manual

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AVIC-X940BT/XNUC
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26. FAN CONTROL TEST
This is the item to test cooling fan installed at rear panel of product.
In a normal situation, revolution rate is automatically changed depending on the interior
temperature of a fan however FAN revolution rate is able to be confirmed regardless of
temperature during the test execution.
In the case of error happened at fan control while switchover fan speed, red screen
shown below is displayed. The error contents are displayed at the bottom of screen.
Please refer to [Error View] for the details of error factors.
Switchover
STOP<=>SLOW
POWER CONTROL NG This is displayed when fan power source control is unsuccessful.
NG Comment
STOP<=>FAST POWER CONTROL NG This is displayed when fan power source control is unsuccessful.
SLOW<=>FAST SPEED CONTROL NG This is displayed when fan speed control is unsuccessful.
Error View