Nordson freedom - Fill Board; Fill Board (contd)

Troubleshooting
7-54
Part 1123087_02
 3/2014 Nordson Corporation
Fill Board
See Figure 7‐26.
Table 7-7 Fill Board LEDs
Designation Description Normal Operation Abnormal Operation Corrective Action
DS1 Power LED Green when board is
powered
Off Check NordBus cable
to fill board
Check upstream
device for proper
operation
DS2 Fill LED (dual
color)
Green when system is
actively filling or off
Red when a cable fault
is detected
Check level sensor
cable connections
If level sensor cable
passes inspection,
calibrate sensor (refer
to Calibrating the
Level Sensor earlier in
this section)
If fault persists,
replace cable and/or
sensor
DS3 Level sensor LED
(dual color)
Green when level is
above fill point
Yellow when level is
below fill point but
above low point
Red when level is
below the low point
Make sure fill system
is enabled
DS4 Status LED (dual
color)
Green (when fill
system is enabled) or
off (when fill system is
disabled); flashes to
indicate a
communications
packet was received
Functions
implemented in order
of priority:
Flashes red sequences
when faults are present
Flashes yellow
sequences when alerts
are present
Refer to Table 7‐8 to
troubleshoot
communications packet
sequences.
DS5 NordBus
Termination LED
Green or off None When green, indicates
a termination resistor
has been applied to
NordBus—only the
last device on the
network should have a
termination resistor
applied
DS6 Downstream
Power LED
Green when fill board
has been assigned a
NordBus address;
power has been
switched on to the
next downstream
device
Off —