Solution, Possible cause – PhatNoise Car Audio System User Manual

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Once you have made all the connections and the PhatBox does not
begin playing back, please check the front lights for the following:

No lights come on at all:

Possible Cause

Solution

The PhatBox connector cable and/or

head unit wiring harness is connected
incorrectly.

Reconnect the PhatBox connector

cable and/or head unit wiring
harness correctly. Make sure each

connection is firmly connected.

A fuse in the car has blown.

After checking for short circuits in the
wires, replace the fuse with one with

the same rating.

The lights are on constantly (NOT blinking) and never turn off:

Possible Cause

Solution

The car and/or radio was on during
installation.

Turn car and radio off. Remove the
PhatBox connector cable. Wait 10

seconds. Reconnect the PhatBox
connector cable. The lights should

turn on, and then turn off and stay
off.

The DMS cartridge is not fully inserted.

Fully insert the DMS cartridge.

The green light blinks for 10 seconds, then turns off, then blinks for
10 seconds, then turns off…this cycle repeats continuously.

Possible Cause

Solution

File(s) on your cartridge may be corrupt. Reinstall PhatBox firmware. See

Appendix A for details.

The green light blinks at a steady rate for longer than 20 seconds.

Possible Cause

Solution

You have updated the firmware on the

DMS cartridge and the PhatBox is
reprogramming itself.

DO NOT REMOVE THE DMS

CARTRIDGE. Allow the PhatBox to
reprogram itself for up to 10

minutes. When reprogramming is
complete, the lights will turn off and
stay off.

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