DD Audio DM1500 Instrukcja obsługi - Strona 12

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TROUBLESHOOTING:

NO POWER

• Check GND connection.

• Check voltage at the amplifier's +12V and REM terminals.

• Check fuses.

NO SOUND ( NO OUTPUT )

• Check all cable routing for shorts or faulty connections,

• Check speakers to verify they are in proper operating condition.

• Check all amplifier controls to ensure they are set properly.

(Gain, Crossovers, Master/Slave Switch)

PROTECTION

• Possible causes overheat (thermal), short.

• If the amplifier shuts down due to overheating, it will automatically return to

normal. operation once the amplifier temperature drops below the thermal

shutoff temperature. Make sure there is proper airflow with no obstructions

around the amplifier to avoid further.

• Thermal protection. In some cases an external fan may be required to keep

the amplifier temperature below the thermal protect level.

• The DM-Series working voltage is 9V - 16V. When voltage is lower than 8.5V

or higher than 16V the amplifiers will not operate correctly.

DISTORTION

• Check speaker cables for reverse polarity of one channel.

POOR BASS RESPONSE

• Check speaker cables for reverse polarity of one channel.

DD AUDIO / CLASS D MONOBLOCK AMPLIFIER /