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XLS Series Power Amplifiers
Operation Manual Mode d'emploi page 21
Amplificateurs de puissance
Bedienungsanleitung
Leistungsendstufen
Manual de Operación
Amplificadores de potencia
4.1.3 Circuit Breaker
The high-voltage power supplies of your Crown
amplifier are protected by a circuit breaker. The
breaker rating varies depending on model and sup-
ply voltage as follows:
4.1.4 Thermal Protection
The Thermal Protection circuit will activate if the
internal heatsink temperature exceeds proper oper-
ating temperatures (194 °F, 90 °C). When the heat-
sink temperature has fallen to a safe level, this
protection circuit will automatically be reset. Princi-
ple causes of thermal protection are:
1) Inadequate ventilation of the equipment rack
2) Incorrect load impedance
3) Output cable short circuit
4) Blocked air vent