Graco XM PFP Setup & Operation page 92

Appendix B - Alarms
Alarm
Code Alarm Problem
*MEA Maintain Dosing Valve.
X
*MEB
X
*MGP Maintain Air Filter.
X
P1AX Pressure Low.
P1BX
*P2AX Pressure Exceeded
*P2BX Advisory Limits.
P4AX Pressure High.
P4BX
P4RE Pressure High.
P5RE Pressure High.
*P5AX Pressure Exceeded Alarm
*P5BX Limits.
P6AX Pressure Sensor Failure; No
P6BX Signal.
P9AX A Pump Pressure is
Abnormally Low Compared
to B Pump Pressure.
P9BX B Pump Pressure is
Abnormally Low Compared
to A Pump Pressure.
92
When
Active
Always, if Dosing valve usage exceeds
enabled user-set limit. Maintenance due.
Always, if Air filter exceeds user-set limit.
enabled Maintenance due.
Spray, Fluid pressure is below 1000 psi (7
Pump MPa, 70 bar) for spray mode or
Test, Leak below 1500 psi (10.3 MPa, 103
Test bar) to test modes.
Spray Pressure exceeded high or low
advisory limits for more than 15
seconds.
Always Fluid pressure is above maximum.
Recirculati Pressure is above maximum
on advisory limit of 3000 psi (21 MPa,
210 bar) on A side.
Recirculati Pressure is above maximum
on warning limit of 5200 psi (35.9
MPa, 359 bar) on A side.
Spray Pressure exceeded high or low
alarm limits for more than 15
seconds.
Always Pressure sensor or cable is bad on
the side indicated.
Spray A air motor is icing causing
restriction and lower fluid pressure.
A pump is binding.
A motor is binding.
Spray B air motor is icing causing
restriction and lower fluid pressure.
B pump is binding.
B air motor is binding.
Cause
Service dosing valve. See pump
manual listed on page 4.
Service main air filter and control
filter regulator.
Increase main air regulator.
Same as P5AX or P5BX.
Decrease main air regulator.
Decrease pump air regulator
pressure.
Decrease pump air regulator
pressure.
Adjust pump pressure regulator,
change tips, or adjust target set
point.
Replace sensor and cable
assembly. See XM PFP repair
manual.
Open the air motor de-ice bleed air
controls. Allow ice to melt. Dry
compressed air. Heat compressed
air.
Use a smaller tip.
Repair lower. See XM PFP repair
manual.
Repair air motor. See XM PFP
repair manual.
Open the air motor de-ice bleed air
controls. Allow ice to melt. Dry
compressed air. Heat compressed
air.
Use a smaller tip.
Repair lower. See XM PFP repair
manual.
Repair air motor. See XM PFP
repair manual.
Solution
3A2776K