Graco Reactor 2 H-30 Repair Manual page 23

Error Location
Error Error Location Location
P0BX HCM
P1FA HCM
P1FB HCM
P2FA HCM
334946C
Type Description
Type Type Description Description
Pressure Imbalance
B High
Low Inlet Pressure A
Low Inlet Pressure B
Low Inlet Pressure A
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 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.
Inlet pressure Ensure that inlet pressure
lower than defined to the pump is sufficient.
value.
Value defined too Ensure that the low
pressure alarm level
high.
defined on the System
Setup screen is acceptable.
Inlet pressure Ensure that inlet pressure
lower than defined to the pump is sufficient.
value.
Value defined too Ensure that the low
high. pressure alarm level
defined on the System
Setup screen is acceptable.
Inlet pressure Ensure that inlet pressure
lower than defined to the pump is sufficient.
value.
Ensure that the low
Value defined too
high. pressure alarm level
defined on the System
Setup screen is acceptable.
Troubleshooting
23