Graco HFR Setup page 87

Error
Code Error Name Error Description
Material rod in dispense valve
M1 Material
WDF1
failed to open during a
Extend Fault
dispense.
M1 Material The material rod failed to
Rod Shift Fail move on a straight head
Dispense valve was slow or
Dispense
Valve Open
did not open after
Failure
WDF1
commanded open.
Dispense valve failed to close
Dispense
Valve Failed
approximately 1 second after
to Close
commanded to close.
The motor has reached a
speed that should not be
High Motor
WKH1 reached in normal operation
Speed
and was shutdown to prevent
possible damage
Blue Inline
WM01
Con. Fault
Red Hose
WM02
Con. Fault
Red Inline
WM03
Con. Fault
Blue Hose
WM04
Con. Fault
High current to relay 1
Blue Tank
WM05
Con. Fault
Red Tank
WM06
Con. Fault
Red Chiller
WM07
Con. Fault
Blue Chiller
WM08
Con. Fault
Red Blanket
WMA6
High Temp.
Tank blanket is above the
defined high alarm limit
Blue Blanket
WMB5
High Temp.
The logic has detected an
Questionable
excessively large rate (flow or
WMCX Shot Recipe
pressure) or amount to a shot
Detected
recipe.
3A2797ZAA
Error
Type Cause
Deviation Material Rod stuck
closed. Shot duration
too short.
Stuck material rod
Alarm No power to directional
valve
GX-16 or L-Head DV
Deviation was slow to open, or did
not open.
GX-16 or L-Head DV did
not close or is stuck
open.
No power to directional
valve
Bad directional valve
connection
Directional valve failure
Hydraulic power pack
failure
Defective encoder
Motor no longer coupled
to hydraulic pump
Supply tube from
hydraulic pump to
manifold is loose or
broken
Broken motor shaft
Alarm
Broken contactor
Defective RTD
Defective High Power
Temperature Control
Module
Loose connections
Advisory Erroneous entry by user
Appendix D - ADM Error Codes
Solution
Take a long shot to determine if it corrects the
problem.
Check that material rod is able to freely move
Make sure the directional valve has power
Clean mix chamber area/ Material rod area of DV.
Make sure directional valve has power.
Make sure the directional valve has power
Make sure the cord to the directional valve is
connected to the correct port and the cord is not
damaged
The directional valve will need to be replaced
The hydraulic power pack will need repair
Replace encoder
Reset coupler per specifications and retighten set
screws
Retighten or replace supply tube
Replace motor
Replace contactor
Replace RTD
Replace High Power Temperature Control Module
Tighten connections
Find the shot number with the problem, and redefine
the excessive rate or amount recipe element.
87