What does the 'AMP ERROR' message mean and how do I fix it?
The AMP ERROR message means the unit has failed to operate, the speaker connection is incorrect, or the protective circuit has been activated. Check the speaker connection, then turn the ignition switch OFF and back to ON again. If the message remains, contact your dealer or an authorized Pioneer Service Station for assistance. (Page 40)
From the official Pioneer DEH-S7200BHS Car Receiver manual, page 40
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