Graco VRM 24F872 Instructions Manual page 78

Appendix D - ADM Event and Error Codes Overview
Error
Code Error Name Error Description
The voltage to the MCM has
Motor Control reached an unsafe level and
V4H0
Overvoltage has been shutdown in an
attempt to prevent damage
USB Update The ADM tried to upload a
W0U0
Failed system settings file but failed
Motor An error has been detected on
WBH1
Encoder Fault the motor position sensor
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
Red Tank
WM06
Con. Fault
Blue Tank
WM05
Con. Fault
Red Inline
WM03
Con. Fault
Blue Inline
WM01
Con. Fault
High current to relay 1
Red Hose
WM02
Con. Fault
Blue Hose
WM04
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.
78
Error
Type Cause
Supply lines providing
Alarm
high voltage
System Settings file is
corrupt
Alarm
System Settings file is
intended for another
system
Failing sensors
Alarm
Loose connection
No power to directional
valve
Bad directional valve
connection
Directional valve failure
Hydraulic power pack
failure
Alarm
Defective encoder
Motor no longer coupled
to hydraulic pump
Supply tube from
hydraulic pump to
manifold is loose or
broken
Broken motor shaft
Alarm
Alarm
Alarm
Alarm
Broken contactor
Alarm
Alarm
Alarm
Alarm
Alarm Defective RTD
Defective High Power
Temperature Control
Alarm
Module
Loose connections
Solution
Check incoming voltage to ensure it is below the
maximum operating voltage
Replace the system settings file with a backup or new
file
Ensure that the first line in the settings.txt file contains
the text GMS. If not replace the file with the proper
system update file.
If error persists the motor will need to be replaced
Ensure the d-sub connector to the motor is connected
and the wiring is intact
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
313873J