Crown Equipment XLS 402 Stereo Amplifier User Manual


 
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