Nordson Encore HD iControl 2, Installation, Troubleshooting, Repair

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1609758-04
4-10 Troubleshooting
Spray Gun Card LEDs
See Figure 4-1. Use the card LEDs to help diagnose problems.
Table 4-4 Spray Gun Card LEDs
LED Color Function Correction
Fault Red
Lights when a
fault is detected
(communication,
spray gun cable,
RAM, or hardware).
If two spray guns are not connected to the card this LED
will light. If you have an odd number of spray guns in the
system, unplug the unused harness and install the jumper
plug shipped with the console. (Refer to Odd Number of
Spray Guns below or the Installation section.) Make sure
the card is seated in the backplane. Open the Alarm screen
and clear all faults. Replace the card if the malfunction
cannot be corrected.
Status Green
Flashing (heartbeat)
when communicating
properly with system.
If the status LED is not flashing, make sure the card is
seated in the backplane. Turn console power off and on.
Replace the card if the other spray gun control cards have
heartbeats.
Gun Limit B (even-
numbered spray gun
Yellow
Lights if over-current
protection circuit
triggered due to high
current draw from
spray gun drive circuit.
Refer to the corrections for Fault Code E15 in Table 4-3.
Gun Limit A (odd-
numbered spray gun)
Power Green
Lights when power (5
volts) is applied to the
board).
If the card has no power, make sure it is properly seated
in the backplane and the locking tab is working correctly.
Replace the card if the other spray gun control cards have
power.