Graco XM Series Operation page 68

Troubleshooting
Alarm
Code Alarm Problem
F6AK A air motor reed switch
signal missing advisory.
F6BK B air motor reed switch
signal missing advisory.
F6AJ A air motor linear sensor
jump advisory.
F6BJ B air motor linear sensor
jump advisory.
P6AX Pressure sensor failure;
P6BX no signal.
V2MX Voltage low control.
*MAAX Maintain pump.
*MABX
*MEAX Maintain dosing valve.
*MEBX
*MGPX Maintain air filter.
*P5AX Pressure exceeded alarm
*P5BX limits.
68
When Active
Always Reed switch does not see the
air motor magnet.
Reed switches are bad.
Air motor is icing up.
Always Reed switch does not see the
air motor magnet.
Reed switches are bad.
Air motor is icing up.
Always System ran out of fluid.
Linear sensor is bad.
Always System ran out of fluid.
Linear sensor is bad.
Always Pressure sensor or cable is
bad on the side indicated.
Always Voltage dropping below 9 Vdc
from power supply.
Turbine not spinning with air
on.
Optional User-Settable Maintenance Warnings
Always, if Pump usage exceeds user-set
enabled limit. Maintenance due.
Always, if Dosing valve usage exceeds
enabled user-set limit. Maintenance
due.
Always, if Air filter exceeds user-set limit.
enabled Maintenance due.
Spray Pressure exceeded high or
low alarm limits for more than
15 seconds.
Cause
Replace air motor reed switch
magnet.
Replace air motor reed switch.
Prevent air motor icing. See
advisory P9A and P9B.
Replace air motor reed switch
magnet.
Replace air motor reed switch.
Prevent air motor icing. See
advisory P9A and P9B.
Add fluid to the system.
Replace linear sensor.
Add fluid to the system.
Replace linear sensor.
Replace sensor and cable
assembly. See your proportioner
repair manual.
Change air filter in control filter
regulator. See your proportioner
repair manual.
Check the pressure setting is 18
psi (0.13 MPa, 1.3 bar) on turbine
air regulator.
Check voltage on information
screen.
Replace air turbine cartridge. See
your proportioner repair manual.
Service pump. See your
proportioner repair manual.
Service dosing valve. See your
proportioner repair manual.
Service main air filter and control
filter regulator. See your
proportioner repair manual.
Adjust pump pressure regulator,
change tips, or adjust target set
point.
Solution
312359R