Graco 259079, Operation Manuals

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Troubleshooting
Error
Code Error
Position Type Name Cause Solution
Pressure difference
between A and B material
is greater than the
defined value.
Ensure the material flow is
equally restricted on both
material lines.
Pressure imbalance is
defined too low.
Ensure that the pressure
imbalance value, on the
System Setup screen, is at
an acceptable maximum
pressure to prevent
unnecessary alarms and
abort dispenses.
Out of material. Fill tanks with material.
P7AX Pressure
Imbalance A High
P7BX
MCM
ALARM
Pressure
Imbalance B High
Feed system defective. Check feed pump and hoses
for blockage. Check that the
feed pumps have the correct
air pressure.
P0AX MCM ADVISORY Pressure
Imbalance A High
See P7AX.
P0BX MCM
ADVISORY Pressure
Imbalance B High
See P7BX.
Radiator fan will not stop. Replace fan relay. T1DE Heat
Exchanger
ALARM Low Temperature
Coolant Outlet
Engine thermostat is
stuck closed.
Replace thermostat. See
Perkins distribution.
3A1705E 79