Section 16
—
Troubleshooting
MCP-25/MS
Valco Cincinnati
16-5
Problem
Possible Cause
Possible Solution
11. The front-panel
valve LEDs are
red.
The number of valve outputs in
the setup menu exceed the number
of available outputs (see “Valve
Configuration”).
Call Valco (see
Section 18—Service
for information)
12. The glue
pressure does
not decrease as
the speed of the
parent machine
is reduced.
Incorrect Vbypass setting in setup
menu
Incorrect Tbypass setting in setup
menu
Bypass valve not operating
properly
Obstructions in the bypass valve's
hoses.
Fluid regulators not adjusted
properly
Increase the bypass valve's threshhold
(Vbypass)
Increase the bypass valve's activating
duration (Tbypass).
Make sure the bypass valve is
operating correctly.
Make sure the bypass valve’s hoses
are free from obstructions.
Make sure fluid regulators are adjusted
properly.
13. The encoder
signal is not
accepted by the
control.
Direction -recognition function
improperly set up.
Make sure the direction -recognition
function in the setup menu is correct.
(If the direction-recognition function
is selected, the encoder must have an
A/B signal.)
Summary of Contents for MCP-25/MS
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