Troubleshooting the Graco Motor Control
Event
Code
Event Level
Description
Solution
T6E0
Alarm
The motor is operating out of its
temperature range or the temperature
sensor signal is lost.
Ensure that the motor ambient
temperature is above minimum.
Ensure that the feedback cable
is correctly installed. Ensure the
TO1/TO2 wires from the Control
board are correctly inserted into the
Connector board. Contact Graco
technical assistance.
V1CB
Alarm
Bus voltage is below minimum
acceptable limit.
Check the voltage source level.
V2CG
Deviation
IGBT Gate drive voltage is below
minimum acceptable limit.
Contact Graco technical assistance.
V4CB
Alarm
Bus voltage is above maximum
acceptable limit.
Increase pump deceleration time.
Check the voltage source level.
V9CB
Alarm
Bus voltage measurement circuit is
reporting abnormally low values when
ACpower is detected.
Check the voltage source level.
Contact Graco technical assistance.
V9MX
Alarm
Loss of ACpower has been detected. Reconnect ACpower.
WMC0
Alarm
The controller is not able to turn the
motor (locked rotor).
Free the motor rotor, then restart the
motor.
WSCS
Alarm
The software version or part number
reported by the Power board does not
match the expected values.
If a software upgrade has recently
failed/ been interrupted, try again.
If not, contact Graco technical
assistance.
WX00
Alarm
An unexpected software error has
occurred.
Event will clear after acknowledgment.
Contact Graco technical assistance.
48
334188P
Tel: 866-777-6060
Fax: 866-777-6383
Springer Pumps, LLC
Website: www.springerpumps.com
Int'l: +001 267 404 2910