In Case of

Trouble

The Ayre 3-Phase Power Supply provides comprehensive circuitry to protect the unit against faults.

AC Line Voltage

If the AC line voltage drops below 80% of normal (brown-out), the unit will revert to the red “Warm-Up” mode with the output disabled. After the voltage returns to normal, the initial warm-up cycle will begin again and the unit will then revert to the green “Standby” mode. Press the front panel button to return the unit to the blue “Operate” mode.

Overheating

Sensors located on the If the unit is operated with insufficient ventilation,

motor-drive amplifier module the internal temperature may become too high,

will shut the unit off if the triggering the thermal protection circuitry. In this

heatsink temperature reaches case, the 3-Phase Power Supply will shut down, the

150° F (65° C). front panel status LED will glow orange and the front panel button will be inoperative.

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Ayre Acoustics 3-Phase Power Supply owner manual Trouble, AC Line Voltage, Overheating