Ayre DPS Owner's Manual download pdf (Page 16)

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

motor-drive amplifier module

will shut the unit off if the

heatsink temperature reaches

150° F (65° C).

If the unit is operated with insufficient ventilation,

the internal temperature may become too high,

triggering the thermal protection circuitry. In this

case, the 3-Phase Power Supply will shut down, the

front panel status LED will glow orange and the

front panel button will be inoperative.

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Ayre DPS Owner's Manual Page 16