Crest Audio CKd 604 Owner's Manual page 26

Power Supply Faults are flagged when a power supply is activated. During a Power
Supply Fault, the PS LED will blink at a slower rate. While the PS LED is blinking, the
Mute LED's will indicate which fault triggered as noted below:
 CH1 Mute LED: PS Voltage Fault
 CH2 Mute LED: PS Bias Voltage Fault
 CH3 Mute LED: PS Breaker Tripped
 CH4 Mute LED: PS DC Fault
 CH5 Mute LED: PS Voltage Fault (repeated)
 CH6 Mute LED: PS Bias Voltage Fault (repeated)
 CH7 Mute LED: PS Breaker Tripped (repeated)
 CH8 Mute LED: PS DC Fault (repeated)
Channel Faults are flagged when a channel is Active. During a Channel Fault, the
corresponding channels Fault LED will light, the channel will shutdown and not pass audio.
The channel will try to recover from the fault and activate automatically. The following
items are recognized as Channel Faults:
 Over Current Fault
 Full limiter attenuation
 Thermal
 Initialization
CKd Series Owners Manual v1e
CKd Owner's Manual
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