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Channel Pair LED Indicators
The SI-1260 incorporates individual multi-colored LEDs for each channel-pair
that indicate the following:
The channel pair is OFF.
The channel pair is active and operating normally.
Indicates a possible short circuit or low impedance condition.
Speaker wire strands that are touching at the speaker or the ampli-
fier’s speaker terminals and/or a damaged speaker wire can cause
a short circuit. More than three pairs of 8 ohm speakers attached
to the same amplifier channel present the amplifier channel with a
low impedance. Both of these conditions will cause the LED indi-
cator to blink red very quickly. Eliminating the short circuit or con-
necting a proper speaker impedance load will enable the channel
pair to resume normal operation.
Indicates the channel pair is overheating due to inadequate
ventilation. Providing proper airflow to the amplifier will
eliminate this problem (refer to page 15, figures 11 and 12 for
amplifier placement details).
There is a damaged internal component in this channel pair
module. The amplifier should be returned to Niles for service.
CHANNEL PAIR LED
STATUS
OPERATION
OFF
Solid Green
Fast Red Blinking
(Three Times Per Second)
Slow Red Blinking
(Once Every Three Seconds)
Solid Red