Troubleshooting
Error Location Type Description
Cause Solution
Inlet sensors not
installed.
If inlet sensors are not
installed, inlet sensors
should be disabled on the
System Setup screen.
Loose/bad
connection.
Checktoensureinlet
sensor is properly installed
and all wires are properly
connected.
P6FB
HCM
Pressure Sensor
Error Inlet B
Bad sensor.
Check if the error follows
the inlet sensor. Disconnect
inle t sensor cables from
the HCM (connectors 8
and9). ReverseAandB
connections and check if
the errors follows. If the
error follows the sensor,
replace the inlet sensor.
Pressure
difference between
A and B material
is greater than the
defined value.
Ensure 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
Fluid leaking from
heater in let rupture
disk.
Check if heater
and PRESSURE
RELIEF/SPRAY valve are
plugged. Clear. Replace
rupture disk. Do not replace
withapipeplug.
P7AX
HCM
Pressure Imbalance
A High
Feed system
defective.
Checkfeedpumpand
hoses for blockage. Check
that feed pumps have
correct air pressure.
334946A
27
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