Sony SRMASTER SR-R4 User manual

SY NVRAM ERROR
Detected a FRAME (HOURS
METER and TC related
information) checksum
error
If rebooting doesn’t correct
the problem, the SR-R4
should be serviced

SY-AU I/F ERROR
Detected a communication
error between the audio
circuit and system CPU
If rebooting doesn’t correct
the problem, the SR-R4
should be serviced

SY-CP I/F ERROR
Detected a communication
error between the system
CPU and CP CPU
Check the cable between
the Control Panel and the
SR-R4

FAN STOP
Detected a cooling fan
failure
If rebooting doesn’t correct
the problem, the SR-R4
should be serviced

DC IN OVERLOAD
Detected an over-current
condition in the power
supply input stage
Reduce the amount of
power the F65 is getting
from the power supply