![background image](http://html1.mh-extra.com/html/graco/vrm-24f391/vrm-24f391_instructions-manual_2251610072.webp)
Appendix D - ADM Event and Error Codes Overview
72
313873J
D2A1
Setpoint Not
Reached
The set point was not reached Deviation
Pump cannot reach the
requested pressure
Increase restriction in the system
Pump cannot reach the
requested flow
Decrease restriction in the system
D3A1
Setpoint
Exceeded
The set point was exceeded
Deviation
System underwent a
change that caused a
large drop in restriction
(such as new orifices)
Erase learned System Data, found in the setup
screens under calibration
No material in pumps
Make sure the material lines are open and have
proper feed pressure
D5A1
Invalid Learn
Mode Data
This calibration lets the MCM
know where the ends of the
pump are. If the data gathered
during this process is outside
of normal parameters the
machine will operate with a
greatly reduced stroke.
Deviation
Recalibrate the machine Rerun the learn mode calibration
Loose/bad connection
Check to ensure the pressure transducer is properly
installed and all wires are properly connected
Bad linear position
sensor
Verify pump moves to limits, if problem persists
replace linear position sensor
D6A1
Position
Sensor Fault
The linear position sensor is
returning data that should not
be possible during normal
operation
Alarm
Loose/bad connection to
linear position sensor
Check to ensure the linear position sensor is properly
installed and all wires are properly connected
Bad linear position
sensor
Replace linear position sensor
Linear position sensor
may be loose where
attached to pump
housing
Re-tighten the sensor and re-calibrate the machine
DDA1
Red Pump
Cavitation
Cavitation was detected on the
given pump
Deviation
Insufficient material
being supplied or
insufficient material
pressure on feed system
Verify that incoming ball valves are open
DDB2
Blue Pump
Cavitation
Deviation
Verify that feed pumps are supplying material
Debris or packout in the
incoming fluid filter
Inspect filter for debris of filler packout and clean or
replace as necessary
DFA1
Pump Not
Parked
The pump failed to reach the
park position
Deviation
Orifices blocked
Clear blockage
Hose blocked
Clear or replace hose as necessary
Dispense valve failed to
open
Check to make sure the dispense valve is properly
configured and connected to the MCM
DSC0
Pumps Not
Defined
The type or size of the Red or
Blue material pumps have not
been defined
Alarm
Properly setup the
system
On the ADM go into the setup screens -> System->
then make sure that the pump type and size are set
(not --)
DR6B-D
Check
Flowmeter
Blue
The blue material flow meter
detects no or almost no flow
thru the device.
Deviation
Check for blockage
within the blue material
flow meter. Verify some
pressure (10 Bar or
more) at the output of
blue material pump.
Fix blockage in the flow meter.
Add restriction in the line or increase the flow.
DR6A-D
Check
Flowmeter
Red
The red material flow meter
detects no or almost no flow
thru the device.
Deviation
Check for blockage
within the red material
flow meter. Verify some
pressure (10 Bar or
more) at the output of red
material pump.
Fix blockage in the flow meter.
Add restriction in the line or increase the flow.
F7D1
Pump Failed
to Stall
When the pump tried to stall to
pressure the pump traveled
more than it should in normal
operation (only applies to
dead-headed system)
Deviation
Failure of the dispense
valve
Ensure the valve has a proper air supply and seals
properly. If not, service the valve as necessary.
Material leak
Visually inspect the machine and hoses for sign of
leakage.
NOTE:
This error will display after 2 full
piston strokes so the leak will be substantial.
Out of material
Fill tanks
Error
Code
Error Name
Error Description
Error
Type
Cause
Solution