Graco EFR Instructions-Parts List Manual page 33

Electric fixed-ratio proportioner
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Error Code
Code Description
P3FB
High Pressure Inlet
B
P4DA
High Pressure
Outlet A
P4DB
High Pressure
Outlet B
P4DC
High Pressure
Alarm Outlet A
P4DD
High Pressure
Alarm Outlet B
P4FA
High Pressure
Alarm Inlet A
3A6165J
Cause
Supply pressure is too high
Outlet operating pressure is too low
Pressure A exceeds system limit
Pressure B exceeds system limit
Pressure A exceeds user-defined
dispense pressure limit.
Pressure B exceeds user-defined
dispense pressure limit.
Pressure A exceeds user-defined
dispense pressure limit.
Troubleshooting
Solution
Reduce inlet supply pressure. Inlet
pressure should not exceed 67% of
outlet pressure.
Increase outlet operating pressure.
Outlet pressure should be at least
1.5x inlet pressure.
Inspect for hardened material or
obstructions to flow.
Attempt to purge material at a
reduced flow rate.
Reduce operating pressure by
reducing flow rate and/or restriction
in the hose and valve.
Inspect for hardened material or
obstructions to flow.
Attempt to purge material at a
reduced flow rate.
Reduce operating pressure by
reducing flow rate and/or restriction
in the hose and valve.
Inspect for hardened material or
obstructions to flow.
Attempt to purge material at a
reduced flow rate.
Reduce operating pressure by
reducing flow rate and/or restriction
in the hose and valve.
Inspect for hardened material or
obstructions to flow.
Attempt to purge material at a
reduced flow rate.
Reduce operating pressure by
reducing flow rate and/or restriction
in the hose and valve.
Check settings on feed system,
decrease pressure if necessary.
Check pressure settings on setup
screen.
33

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