Graco PrecisionFlo XL Instructions Manual page 118

Troubleshooting and Fault Recovery
Table 47 — Fault Code Table
Fault Fault Name Fault
Code Description
11 No Flow 2 No material was dispensed
when a Dispense Gun 2 sig-
nal was activated. nal was activated.
Material was dispensed
when a Dispense Gun 1 sig-
nal was activated, but no
flow was read.
12 High Outlet Output pressure to the
Press re 1 Pressure 1 PrecisionFlo XL reg lator 1 PrecisionFlo XL regulator 1
is above the upper limit set
for operation If this fa lt oc- for operation. If this fault oc-
curred while doing a pres-
sure calibration, pressure
calibration could not deter- c libr tion co ld not deter-
mine optimum values and
default values were used.
13 High Outlet Output pressure to the
Pressure 2 Press re 2 PrecisionFlo XL reg lator 2 PrecisionFlo XL regulator 2
is above the upper limit set
for operation If this fa lt oc- for operation. If this fault oc-
curred while doing a pres-
sure calibration, pressure
c libr tion co ld not deter- calibration could not deter-
mine optimum values and
default values were used.
14 Low Outlet Output pressure of the
Pressure 1 Press re 1 PrecisionFlo XL regulator 1 PrecisionFlo XL reg l tor 1
is below the limit set for o is below the limit set for op-
eration. If this fault occurred
while doing a pressure cal-
ibration, system pressure ibration system press re
was too low (<500 psi
[3.4 MPa, 34 bar] at the reg- [3 4 MP
ulator outlet) to com lete the ulator outlet) to complete the
calibration.
15 Low Outlet Output pressure of the
Pressure 2 Press re 2 PrecisionFlo XL reg l tor 2 PrecisionFlo XL regulator 2
is below the limit set for op- is below the limit set for o
eration. If this fault occurred
while doing a pressure cal-
ibration, system pressure ibration system press re
was too low (<500 psi
[3.4 MPa, 34 bar] at the reg- [3 4 MP
ulator outlet) to com lete the ulator outlet) to complete the
calibration.
16 High Inlet Input pressure to the
Press re 1 Pressure 1 PrecisionFlo XL regulator 1 PrecisionFlo XL reg l tor 1
is above the upper limit set
for o eration. for operation.
118 309374
(continued)
Causes
No material supply.
Tip plugged.
No air pressure to solenoid valves.
No flow meter signal.
Incorrect limit set.
Dispense hose/device plugged.
Failed transducer.
Regulator is not closing completely
when it should.
Incorrect limit set.
Dispense hose/device plugged.
Failed transducer.
Regulator is not closing completely
when it should.
Incorrect limit set.
No or insufficient material flow.
Dispense valve needle is stuck
closed.
Dispense valve leaking.
(
34 b ] t th
No power to motor.
Pump wink passed through outlet.
Failed transducer.
Incorrect limit set.
No or insufficient material flow.
Dispense valve needle is stuck
closed.
Dispense valve leaking.
(
34 b ] t th
No power to motor.
Pump wink passed through outlet.
Failed transducer.
Incorrect limit set.
Material supply pressure is too high.
Failed transducer.
Solutions
Replace drum or turn on
pumps.
Clean/replace tip.
Turn on air to solenoid valves.
Check cable and sensor.
Verify limit is set correctly.
Clean/replace hose/device.
Check transducer, replace if
failed.
Repair regulator.
Verify limit is set correctly.
Clean/replace hose/device.
Check transducer, replace if
failed.
Repair regulator.
Verify limit is set correctly.
Increase material flow rate.
Dislodge and inspect needle.
Repair dispense valve.
Apply power to motor.
Recalibrate PrecisionFlo XL or
increase pump pressure.
Check transducer, replace if
failed.
Verify limit is set correctly.
Increase material flow rate.
Dislodge and inspect needle.
Repair dispense valve.
Apply power to motor.
Recalibrate PrecisionFlo XL or
increase pump pressure.
Check transducer, replace if
failed.
Verify limit is set correctly.
Decrease material supply pres-
sure.
Check transducer, replace if
failed.