Troubleshooting - Alpine PDP-E802DSP Manual

8 channel class-d dsp power amplifier
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TROUBLESHOOTING

No power at DSP
Check DSP amp main fuse under the bottom
cover.
Check vehicle battery voltage.
Check DSP harness for a secure and low
resistance ground point.
Check Autoremote status in the app. The status
should be set to "off" if using remote input
wire. If this feature is on, the DSP IS waiting for
an audio signal trigger from Hi‑level or RCA
inputs.
Keep in mind autodetection is only available
on dedicated input channels:
DC Detection: Channels 1, 2
AC Detection: Channels 5, 6
If the amplifier is used in AC detect mode and
switches off during the tunig process, the
amplifier will start in update mode. In this case,
the USB connection and the power connector
need to be disconnected.
Low Volume while streaming from smart device
Check device volume or streaming app
volume.
Check RC volume level.
No wireless network available
Wireless signal could be blocked or shielded
due to installation. Move wireless module to
another location.
Restart Wireless module by cycling power to
the DSP.
Wireless connection is not stable
Wireless module cables must be extended as
much as possible. DO NOT bundle excess cable
near the amplifier.
Check if nearby Wi‑Fi networks are transmitting
on the same or neighbor channels. If so,
configure the wireless module to another
channel. Keep 5 channels distance to any other
strong wireless network. 11 channels are
available.
Always check to see if your app firmware is up
to date.
DSP app message "IN CONNECTION"
Wireless module is connected to another
device already. Disconnect all device
connections and reconnect with one device
only.
Close PDP‑E802DSP app.
36
-EN
Cycle amplifier power to restart it.
Reconnect PDP‑E802DSP app.
Data connection to DSP not stable
Data connection to DSP amp is active only
when ALPINE Sound Lab is active. Data
connection is terminated on Android devices
as soon as App is working in background.
Check if other apps in background may access
the Wi‑Fi data connection and terminate these
Apps.
No data connection to DSP, while wireless
network connection is established successfully
Use another USB cable.
Restart wireless module by cycling power to
the DSP.
Try hard wired connection with Windows PC by
using a high quality Micro‑USB cable.
You only have limited access to a setting
(6 Band EQ)
You don´t have the rights to access this setting.
Check your certificates.

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