Nordson freedom - EcoBead Board; EcoBead Board (contd)

Troubleshooting
7-52
Part 1123087_02
 3/2014 Nordson Corporation
EcoBead Board
See Figure 7‐25.
Table 7-6 EcoBead Board LEDs
Designation Description Normal Operation Abnormal Operation Corrective Action
D2 (input 1)
D4 (input 2)
D6 (input 3)
D8 (input 4)
Indicates
when
respective
applicator
input is
active
Green when input
signal is active on
hose interface board
X4
Off when applicator
input signal is not
active
(always matches
state of respective
applicator input LED
on hose interface
board)
Does not match state
of respective
applicator input LED
on hose interface
board
Verify connection
between EcoBead board
and hose interface board
Remove/replace
EcoBead board
Remove/replace hose
interface board
D1 (output 1)
D3 (output 2)
D5 (output 3)
D7 (output 4)
Indicates
output state
of
respective
applicator
Green, indicating
output is active
Yellow (green and
red), indicating output
is active and in
learning mode
Red: error Noisy applicator input
signal—check cables
and connections
Improper parameters—
restore factory defaults
Persistent yellow:
difficulty learning input
pattern
Beads per pattern set
incorrectly— enter
correct number of beads
per pattern
Too much jitter in input
signal— resolve signal
issues if possible
Noisy input—check
cables and connections
Always off: output
never active
Verify connection
between EcoBead board
and hose interface board
Remove/replace
EcoBead board
Remove/replace hose
interface board