Graco HFR - Appendix D - ADM Error Codes

Appendix D - ADM Error Codes
76 3A2797R
Appendix D - ADM Error Codes
Error
Code Error Name Error Description
Error
Type Cause Solution
P4H3 High
Accumulator
Pressure
AC Power Pack pressure too
high.
Alarm
Accumulator Directional
Valve stuck in charge
position.
Check control line to Directional Valve. Replace
Directional Valve.
P1H3 Low
Accumulator
Pressure
AC Power Pack pressure too
low, or failed to reach desired
pressure.
Alarm
Accumulator Directional
Valve will not shift to
charge position.
Check control line to Directional Valve. Replace
Directional Valve.
T4H3 High Mix
Head Oil
Temp.
AC Power Pack temperature
too high.
Alarm
RTD Sensor option
turned ON without RTD
installed. Oil temp is
excessively hot.
If oil is not hot, replace sensor.
MBH3 Low Mix
Head Oil
Level
Oil level in AC Power Pack too
low.
Alarm
Level Sensor bad.
Function turned ON
without sensor installed.
Add oil.
DEH3 Soft Stop
Asserted
Soft Stop on AC power Pack
has been pressed.
Alarm
User has pressed the
Red Soft Stop Button on
AC Power Pack.
Pull out Soft Stop Button.
A4H3 Mix Head
Motor
Overload
Excessive Current to AC
Power Pack motor.
Alarm
Short circuit within AC
Power Pack motor
Replace motor
WDF1
M1 Material
Extend Fault
Material Rod in Dispense
Valve failed to close. Pump
halted.
Alarm
Material Rod failed to
close. Pump movement
halted.
Hydraulic lines installed backwards. + DC voltage
shorted to the Valve Control Line.
WDF1
M1 Material
Extend Fault
Material Rod in Dispense
Valve failed to open during a
dispense.
Deviation
Material Rod stuck
closed. Shot duration too
short.
Take a long shot to determine if it corrects the
problem
WDD3 M1 Clean Out
Extend Fault
Clean Out rod in dispense
valve (“L - Head”) failed to
move.
Alarm
Clean Out rod valve
faulty
Check control line to clean out valve. Replace
hydraulic valve.
A4A6
Red Blanket
Overcurrent
An over current was detected
on the output
Alarm
Bad heaters Measure resistance of heater
A4B5
Blue Blanket
Overcurrent
A4A3
Red Inline
Overcurrent
A4B1
Blue Inline
Overcurrent
A4A2
Red Hose
Overcurrent
A4B4
Blue Hose
Overcurrent
A4A7
Red Chiller
Overcurrent
High voltage
Measure voltage across the disconnect switch.
Voltage should measure between 190 and 264 Vac.
A4B8
Blue Chiller
Overcurrent
Shorted Temperature
Control Module
If temperature rises for a zone that has been disabled,
replace Temperature Control Module
A4H1
Motor Over
Current
High current has been
detected on a phase and has
been shutdown to prevent
damage
Alarm
Bad internal wiring of the
motor
Replace motor
Short circuit of motor
wiring
Check wiring to the motor to ensure no bare wires are
touching and that no wires are shorted to ground
A4M1
Motor Over
Current
Too much current is being
drawn from the wall
Alarm
Low voltage from the wall
during load
Make sure the supply line is properly sized for the
load and is above the minimum voltage requirements