Graco EVR Instructions Manual page 29

Error
Code Type
P4D_ Alarm High Pressure Outlet _
P4F_ Alarm High Pressure Inlet _
Pressure Sensor Error
P6D_ Alarm
Outlet _
Pressure Sensor Error
P6F_ Deviation
Inlet _
Pressure Imbalance
P7D_ Alarm
High _
3A8565C
Code Description Cause
Pressure exceeds
user-defined limit
Pressure exceeds
user-defined limit
Loose or bad sensor con-
nection to Motor Control
Module
Faulty sensor
Loose or bad sensor con-
nection to Motor Control
Module
Faulty sensor
Dispense line is clogged
Orifice restrictions sized
incorrectly
Out of material
Pressure imbalance is
defined too low
Solution
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 restric-
tion in the hose and valve.
Increase user-defined pressure
limit.
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 restric-
tion in the hose and valve.
Increase user-defined pressure
limit.
Check to make sure that the
pressure sensor is properly con-
nected to the Motor Control
Module (3MCP).
Replace the Pressure Sensor.
Check to make sure that the
pressure sensor is properly con-
nected to the Motor Control
Module (3MCP).
Replace the Pressure Sensor.
First try purging fresh material
through the system. Then relieve
pressure and check for cured
material or obstructions in the
dispense valve.
Adjust orifice restrictions to bal-
ance pressure of A and B materi-
als.
Verify material supply.
Increase pressure imbalance
amount from the Setup screen of
the Advanced Display Module
(ADM).
Troubleshooting
29