Concordia XPRESS - Milk System: Overpouring Milk

3033-015B Section 15: Troubleshooting
Concordia Xpress Technical Support Manual 15-15
2900-300B
Milk System: Overpouring Milk
Overpouring
During milk Pour
Yes
Steam
temperature
OK?
Navigate to CHK
TEMPERATURES >
STEAM and verify the
steam temperature is
set to 244F and foam
set to 237F.
No
Drinks
pour
correctly?
Navigate to SET
TEMPERATURES >
STEAM and adjust
the steam
temperature to 244F.
Retest for
functionality.
No
Remove the black cover
plate from the air gate.
Remove the air vent
needles. Pour a milk drink.
Does
milk
pour?
There is a blockage
in the tubing or a
problem with the air
gate assembly.
Inspect air gate
assembly for damage,
debris, bad wire
contacts, broken pins.
Yes
Yes
END PROCESS
Bypass the milk valve
tubing between the
pump and alt milk
valve directly into milk.
Pour a milk drink.
No
Yes
Yes
Inspect tubing,
lower and upper
TEEs for debris.
Air
gate
faulty?
Replace air gate
assembly.
PN 2712-009
Run milk pour and
verify volume.
Yes
Using a voltmeter,
verify voltages
present for air gate
assembly.
No
Run the milk clean
cycle. Retest with
cappuccino and
latte.
Volume
correct?
No
END PROCESS
Milk
pour volume
correct?
Adjust voltage on
control board CPU.
No
Replace alt milk
valve and tubing.
Yes
Replace air
vent needles.
Retest with
milk pour.
Tubing
and TEEs
OK?
Clean or replace
tubing. Run test
drinks.
No
Overpouring
milk?
Navigate to
MILK
TIMINGS -
HOT and verify
each milk
timing.
Yes
No
END PROCESS
Milk
timings
correct?
Navigate to MILK
TIMINGS - HOT and
adjust milk timing so
that the cup fills to
the correct volume.
No
Yes
Milk
pour volume
correct?
Yes
No
Voltages
present for air
gate?
Inspect
cable for
shorts and
opens.
No
Replace CPU
assembly.
PN 2630-111
Cables
OK?
Yes
No
Repair or replace
damaged cables.
Replace air gate
and retest.
Call Concordia
Beverage Systems
for assistance.
1-800-778-0990
Yes
Milk
pour volume
correct?
No
Yes END PROCESS
Milk
pour volume
correct?
No
END PROCESS
Replace milk pump.
PN 2340-112
Control
voltage for
pump is
2.5V?
Yes