JVC TDR6 installation and operation guide Fault Descriptors are defined in the following table

Command Mnemonics (continued)

Abbreviation	Command Mnemonics	Option Module
DMD.A	QPSK Demodulator A	TDEM-6110
DMD.B	QPSK Demodulator B	TDEM-6110
DMD.C	QPSK Demodulator C	TDEM-6110
DMD.D	QPSK Demodulator D	TDEM-6110
UDA	User Data A	TMAC-6125
UDB	User Data B	TMAC-6125
VD	Video Decoder	TDEC-6100
HDVD	High Definition Video Decoder	TDEC-6161

1 If the TAUD-6100 is installed, it controls ADA through ADD and the TDEC-6100 controls ADE and ADF. If the TAUD-6100 is not installed, the TDEC-6100 controls ADA and ADB.

The Fault Descriptors are defined in the following table.

Fault Descriptors

Front Panel	Fault Log	Explanation	Possible Cause
Descriptor	Descriptor
FIFO Idle	FIFO Idle	Input to FIFO buffer has stopped	No video, audio, user data, or teletext
			input
FIFO Over	FIFO Overflow	FIFO input rate exceeds output rate	Delay values too great
FIFO Undr	FIFO	FIFO output rate exceeds input rate	Interrupted input
	Underflow
Init	Initialize Failed	Initialization failure	Corrupted configuration files or
			hardware failure
Bad Eb/No	Bad Eb/No	Input signal to noise ratio below DVB	Insufficient transmit power, improperly
		specification	oriented satellite dish, improperly
			polarized LNB, or excessive cable
			loss
Input	Input Signal	No input signal detected	Missing input signal or incorrect
	Loss		demodulator configuration
Data Err	Data Error	Errors detected in the format of the	Bit errors introduced in the link or at
		video, audio, and so on	the source
No PIDs	No PIDs	No PIDs available for the selected	Command mnemonic not enabled at
	Present	service	the encoder
PAT Loss	PAT Timeout	PAT information not received	Missing input signal or incorrect
			demodulator configuration
PMT Loss	PMT Timeout	PMT information not received	Missing input signal or incorrect
			demodulator configuration
Sys Reset	System Reset	A system reset exception has	Software or controller board error
		occurred
Trans Err	Transport Error	Transport packed error occurred	Noisy transport stream input

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