Graco Reactor 2 Repair Parts page 25

Error Location
Error Error Location Location
P4FB ADM
P6AX HCM
P6BX HCM
P6FA HCM
334946J
Type Description
Type Type Description Description
B Pump Inlet Leak
Pressure Sensor
Error A
Pressure Sensor
Error B
Pressure Sensor
Error Inlet A
Cause Cause Cause Solution
Solution Solution
Thermal Condition the drum
expansion material to the ambient
is occurring temperature of the
between the Reactor.
drum and Reactor
inlet
Damaged resin Replace the resin pump
pump inlet ball inlet ball and seat.
or seat
Loose/bad Check to ensure the
connection pressure transducer is
properly installed and
all wires are properly
connected.
Bad sensor Check if the error
follows the transducer.
Disconnect transducer
cables from the HCM
(connectors 6 and
7). Reverse A and B
connections and check
if the errors follows. If
the error follows the
transducer, replace the
pressure transducer.
Loose/bad Check to ensure the
connection pressure transducer is
properly installed and
all wires are properly
connected.
Bad sensor
Check if the error
follows the transducer.
Disconnect transducer
cables from the HCM
(connectors 6 and
7). Reverse A and B
connections and check
if the errors follows. If
the error follows the
transducer, replace the
pressure transducer.
Inlet sensors not
If inlet sensors are not
installed
installed, inlet sensors
should be disabled on
the System Setup screen.
Loose/bad Check to ensure inlet
connection sensor is properly
installed and all wires are
properly connected.
Troubleshooting
25