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2.8.2
L ED Status Indicators
2 7 B
LED
Mode
YELLOW
Manual
Auto
GREEN
Permissive Power
RED
Alarm Status
Revised February-2016
: The Weights & Measures switch, located in the left upper corner
Note
of the keypad, is lockable and wire-sealable to restrict access to
the flow calculations.
The yellow, red, and green LEDs (see Figure 2-10) provide information
about the DL8000's operational status.
Status
Off
On
Flashing
On
Off
On
Off
Flashing
Installation and Use
DL8000 Preset Instruction Manual
Function
DL8000 is operating in Manual mode.
Note: Local operation is identical in either
Manual or Auto mode.
DL8000 is operating in Auto mode (linked to a
host computer and operating as a slave unit.
Two short pulses each second: case
internal temperature is too high, the
keypad/display is disconnected, or power is
removed from the keypad/display.
One short pulse every two seconds:
Condition that caused the alarm has
returned to normal. Power up the DL8000 or
reset to continue using the keypad/display.
Rapid flashing: Power failure or low power
situation.
The permissive power circuit is closed (the
normal state when a batch delivery is in
progress).
Note: The green LED indicator's function
depends on the state of the permissive
circuit (which is located in the power
supply) and is not programmable.
The permissive power circuit is open. This
indicates an abnormal state which is due to
permissive power failure or failure of one or
more permissive circuits wired in series (wired
AND) with the permissive power source
Note: The green LED indicator's function
depends on the state of the permissive
circuit (which is located in the power
supply) and is not programmable.
A primary (or critical) alarm is active. You must
clear this alarm before you can begin a new
batch or new transaction.
All alarms are inactive.
A secondary (non-critical) alarm is active.
2-25
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