Appendix A - Psm Error Codes - Graco PSM Instructions Manual

Appendix A - PSM Error Codes

Appendix A - PSM Error Codes
Error Error
Error Name
code Type
0 ----
No error
1 Error
E-stop
2 Error
Touch lower
limit
3 Error
Touch upper
limit
4 Error
Pre-charge
time out
5 Error
Depressurize
time out
6 Error
Reload time out Reload time exceeds
7 Error
Servo fault
8 Error
Part A supplier
is in low level
52
Description Cause
---- ----
System emergency System Emergency Stop Switch
stops (BC) is pressed
Moving of metering Improper position of the lower
cylinder touches the limit sensor
lower limit sensor
Damage of lower limit sensor
Drive mechanism error
Moving of metering Improper position of the upper
cylinder touches the limit sensor
upper limit sensor
Damage of upper limit sensor
Drive mechanism error
Pre-charge time Target pre-charge pressure is set
exceeds the set too high
maximum time
Pre-charge speed is set too low
Maximum pre-charge time is too
short
Piston seal leaks
Reload valve leaks
Dispense valve leaks
Pressure sensor error
Drive mechanism error
Depressurization De-pressurization target pressure
time exceeds the set is set too low
maximum time
De-pressurization speed is set too
low
Maximum de-pressurization time
is set too short
Reload valve leaks
Pressure sensor error
Drive mechanism error
Reload pressure is set too high
the set maximum
Maximum reload time is set too
reload time
short
Supply Pump System (E) error
Reload valve is not open normally Check Reload valve
Pressure sensor error
Block of Material Supply Line (L)
Servo fault Servo system error
Insufficient material Insufficient material in the supply
for the supply system
system
Error of material lower level sensor Check position of the sensor or
Solution
----
Make sure the system is in safety
status. Plug the Emergency Stop
Switch (BC), and press the reset
button to close the alarm.
Note: Execute Home after system
emergency stop.
Re-install lower limit sensor
Replace lower limit sensor
Repair drive mechanism
Re-install upper limit sensor
Replace upper limit sensor
Repair drive mechanism
Set proper target pre-charge
pressure
Set proper pre-charge speed
Set proper maximum Pre-charge
time
Replace piston
Replace reload valve seal
assembly
Replace dispense valve seal
assembly
Replace pressure sensor
Repair drive mechanism
Set proper target
de-pressurization pressure
Set proper de-pressurization
speed
Set proper maximum
de-pressurization time
Replace reload valve seal
assembly
Replace pressure sensor
Repair drive mechanism
Set proper target reload pressure
Set proper maximum reload time
Check Supply Pump System
Replace pressure sensor
Clean or replace the line
Check servo drive alarm code, or
restart the control box
Replace supply feeding tank
replace the sensor
3A7273B