Graco Reactor 2 H-30 Repair Parts page 26

Troubleshooting
Error Location
Error Error Location Location
P7AX HCM
P7BX HCM
26
Type Description
Type Type Description Description
Pressure Imbalance
A High
Pressure Imbalance
B High
Cause Solution
Cause Cause Solution Solution
Pressure Ensure material flow is
difference between
equally restricted on both
A and B material material lines.
is greater than the
defined value
Pressure Ensure that the pressure
imbalance is imbalance value, on the
defined too low System Setup screen, is at
an acceptable maximum
pressure to prevent
unnecessary alarms and
abort dispenses.
Out of material Fill the tanks with material.
Fluid leaking from Check if heater
heater inlet rupture and PRESSURE
disk RELIEF/SPRAY valve are
plugged. Clear. Replace
rupture disk. Do not replace
with a pipe plug.
Feed system Check feed pump and
defective hoses for blockage. Check
that feed pumps have
correct air pressure.
Pressure Ensure material flow is
difference between equally restricted on both
A and B material material lines.
is greater than the
defined value
Pressure Ensure that the pressure
imbalance is imbalance value, on the
defined too low System Setup screen, is at
an acceptable maximum
pressure to prevent
unnecessary alarms and
abort dispenses.
Out of material Fill the tanks with material.
Fluid leaking from Check if heater
heater inlet rupture and PRESSURE
disk RELIEF/SPRAY valve are
plugged. Clear. Replace
rupture disk. Do not replace
with a pipe plug.
Feed system Check feed pump and
defective
hoses for blockage. Check
that feed pumps have
correct air pressure.
334946H