Graco PrecisionFlo XL Instructions Manual page 117

Table 47 — Fault Code Table
Fault Fault Name Fault
Code Description
20 OP Cable 1 Control senses an open cir-
Open cuit in the Operation 1 cable.
21 OP Cable 2 Control senses an open cir-
Open cuit in the Operation 2 cable.
29 Closed Gun System reading flow meter
Flow 1 Flow 1 p lses from Flow Meter 1 pulses from Flow Meter 1
with Gun 1 closed.
30 Closed Gun System reading flow meter
Flow 2 Flow 2 p lses from Flow Meter 2 pulses from Flow Meter 2
with Gun 2 closed.
Remaining faults are selectable by the user as Alarms or Warnings (Setup " Alarms/Warnings screen)
6 6 High Volume High Volume Material dispensed during M teri l dis ensed during
the last dispense cycle was
above the amount estab- bove the mo nt est b
lished by request and above
the allowable (entered) the allowable (entered)
tolerance.
7 Setup Values Setup change notification
Ch nged Changed
8 Low Volume Material dispensed during
the last dispense cycle was the last dispense cycle was
below the amount estab-
lished by req est nd below lished by request and below
the allowable (entered) toler-
ance.
10 No Flow 1 No material was dispensed
when a Dispense Gun 1 sig-
nal was activated. nal was activated.
Material was dispensed
when a Dispense Gun 1 sig-
nal was activated, but no
flow was read.
(continued)
Causes
Operation 1 cable disconnected.
Operation 1 cable failed.
Operation 2 cable disconnected.
Operation 2 cable failed.
Improper system configuration.
Burst hose downstream of flow meter. Check hose; replace if needed
Flow meter providing false pulses.
Burst hose downstream of flow meter. Check hose; replace if needed.
Flow meter providing false pulses.
M teri l viscosity is outside flow com Material viscosity is outside flow com- Verify material characteristics,
pensation window.
PrecisionFlo XL regulator is not regu-
lating properly.
Incorrect style volume or tolerance
when using Pressure mode.
When the Key Switch was turned
from Setup to Run mode, the control from etu to Run mode, the control
detected a change from previous
setup data value(s).
Partially plugged tip or supply sys-
tem. Error is outside flow compensa- tem Error is o tside flow compensa-
tion window.
Insufficient flow to PrecisionFlo XL
metering valve inlet. Error is outside
flow compensation window.
Material viscosity is outside flow com-
pensation window.
PrecisionFlo XL regulator is not regu-
lating properly.
Incorrect style volume or tolerance
when using Pressure mode.
No material supply.
Tip plugged.
No air pressure to solenoid valves.
No flow meter signal.
Troubleshooting and Fault Recovery
Solutions
Verify cables are properly con-
nected.
Replace Operation 1 cable.
Verify cables are properly con-
nected.
Replace Operation 2 cable.
If system only has one regula-
tor, verify configuration in Set–
Config screen is set to one
regulator.
Replace flow meter sensor
(G3000 and SRZ–40) or cali-
brate meter (coriolis).
Replace flow meter sensor
(G3000 and SRZ–40) or cali-
brate meter (coriolis).
Verify m teri l ch r cteristics,
recalibrate if necessary.
Check regulator, repair if nec-
essary.
Enter correct values or set the
tolerance to 0% to disable this
fault.
No action necessary if
ch nges were desired. changes were desired.
Clean tip and/or supply sys-
tem. tem
Increase flow rate to Precision-
Flo XL metering valve inlet.
Verify material characteristics,
recalibrate if necessary.
Check regulator, repair if nec-
essary.
Enter correct values or set the
tolerance to 0% to disable this
fault.
Replace drum or turn on
pumps.
Clean/replace tip.
Turn on air to solenoid valves.
Check cable and sensor.
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