Johnson Systems J-PACK Series Dimmers User Manual
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INF HOLD
Displayed when DMX is disconnected and the systems predetermined DMX status hold (SH) time
is set for infinite (INF) hold. Refer to menu item “SH TIME” on page 21 for further details.
SCENE:XX
Displays the scene (1 to 6) that is currently activated. Refer to menu item “SCENEMOD” on page
23 for further details.
EXT-TEMP
Displayed when the an external over-temperature condition between 185°F to 203°F (85°C to
95°C) is sensed via the thermostat mounted on the heat sink inside the dimmer pack. All dimmer
outputs are disabled and the fan is turned on to full until the thermostat temperature drops to
within specification.
REM-TEMP
Displayed when a remote over-temperature condition of 185°F (85°C) or more is sensed via the
temperature sensor mounted on the heat sink inside the dimmer pack. All dimmer outputs are
disabled and the fans are turned on to full until the temperature cools down to 178°F (81°C) or
less. Refer to menu item “REM TEMP” on page 26 to view the remote temperature.
CTL-TEMP
Displayed when the microcontroller senses an internal over-temperature condition of 185°F
(85°C) or more. All dimmer outputs are disabled and the fans are turned on to full until the
temperature cools down to 178°F (81°C) or less. Refer to menu item “CTL TEMP” on page 26 to
view the microcontroller temperature.
Ø ERROR!
Displayed when an error is sensed on any of the input power phases. A phase error can be
caused from an under-voltage of less than 100VAC for 120VAC operation and 200VAC for
240VAC operation, an over-voltage of greater than 130VAC for 120VAC operation and 260VAC
for 240VAC operation, or if a zero-cross phase reference is not detected.
FAN ERR!
Displayed when a fan error is sensed, meaning the fan is either stalled or disconnected.
RTC ERR!
Displayed when the system detects a runtime counter (RTC) error. This occurs when there is
an invalid hard-key code and the runtime counter is greater than 2160 hours (90 days). Refer to
menu item “HARD-KEY” on page 26 for further details.
LOCKED!!
When the J-PACK Series dimmer pack is powered up, the menus are “LOCKED!!” with
access only to the basic system configuration menus, which includes setting the DMX start
address as well as enabling or disabling the end-of-line DMX termination. The menus need
to be “UNLOCKED” to access the advanced system configuration menus. To toggle between
“LOCKED!!” and “UNLOCKED” press and hold down the EXECUTE and then ESCAPE switches
at the same time for 4-5 seconds.