INCOE VGC - Troubleshooting Common VGC Issues; Identifying and Resolving Failures

VGC
TM
SEQUENTIAL VALVE GATE CONTROL
INSTRUCTION MANUAL
©INCOE® CORPORATION 2/2009
Pg.
www.incoe.com
3.1 TROUBLESHOOTING
IMPORTANT NOTICE
• Any repair on the controller should be carried out by qualied personal.
• Any component being replaced must have the same specication.
TROUBLESHOOTING
3
Failure
• No hydraulic pres-
sure
• No command to
valve gate(s)
• Cycle does not
start
• No command to
valve gates/
cycle does not start
Display
“Alarm hydraulic
pressure”
(Displayed in alarm page).
“Failure control card” (dis-
played in alarm page) and
no blinking yellow LED for
communication on control
card.
No action and the cause
are displayed in the alarm
page.
The blinking yellow
communication
lights are
functioning.
Causes
• No hydraulic
pressure connected.
• Control card not
connected or out of
order.
• The press does not
deliver the analog
signal required.
• The wiring of
signals from the
press is not correct.
• Other alarms pre-
vent cycle start
(eg. : no hydraulic
pressure...)
• The programmed
sequence is not
correct.
• Do have a 24v
injection start signal
Solutions
• Check connection and
if the signal “Hydraulic
on” is properly wired to
cabinet (plug B).
• Check supply to con-
trol card and the link
to motherboard. Test
outputs on control card.
• Replace control card.
• Check input signals
from the press.
• Check if this wiring is
correct.
• Check if no other
alarms on alarm page.
• In the sequence, at
least one gate must be
open when injection
starts.
• Make sure the dummy
plug is installed in
connector “B” on the
back of the VGC unit.
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