Johnson Systems J-PACK Series Dimmers - Manual (Page 15)

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System Status • LED Indicators
RUN (Green)
Illuminates when the power is on and the microcontroller status is in normal run mode. The LED
flashes once every 2 seconds when the system is in STANDBY mode.
ØA, ØB and ØC (Green)
Illuminates when the line voltage for each phase is within the acceptable range of 100VAC to
130VAC for 120VAC operation and 200VAC to 260VAC for 240VAC operation, and the zero-cross
reference circuitry is functioning properly. The LED will flash slowly (once per second) when an
under-voltage is sensed - less than 100VAC for 120VAC operation, and less than 200VAC for
240VAC operation. The LED will flash quickly (twice per second) when an over-voltage is sensed
- greater than 130VAC for 120VAC operation, and greater than 260VAC for 240VAC operation.
RxD (Yellow)
Illuminates when valid DMX is received. Flashes when invalid DMX is received.
ERROR (Red)
Illuminates whenever one of three over-temperature sensing inputs are triggered. It also
illuminates when a fan error is sensed (stalled or disconnected). The error type is displayed on
the LCD.
System Status • LCD Display
When DMX is being received, the top line of the LCD display shows the DMX start address
(“DMX:001” to “DMX:512”), unless the system is in DMX patch mode, then “DMX:PAT” is
displayed. When DMX is not being received, the top line of the LCD display shows “MADD-6”,
unless the system is in standby mode, then “STANDBY!” is displayed. The bottom line of the LCD
display shows the current status of the system unless the system configuration menu items are
being accessed. Below are descriptions for each status indication.
NO RX!
Displayed when DMX is not being received and the system is not in scene mode.
XXX
Displayed when valid DMX is being received and is not terminated. “XXX” represents the number
of channels being received in each packet of data. For example, if the system is receiving 512
channels will show “512”.
XXX TERM
Same as above, except “TERM” is shown to indicate if the DMX input is terminated. For example,
if the system is receiving 48 channels of DMX control and is terminated, the display will show
“048 TERM”. Refer to menu items “DMX TERM” on page 18 for further details.
SH XX:YY
Displayed when DMX is disconnected and the systems predetermined DMX status hold (SH) time
is counting down. “XX” represents minutes while “YY” represents seconds. Refer to menu item
“SH TIME” on page 21 for further details.