Graco PSM Instructions Manual page 55

Error Error
Error Name
code Type
49
Deviation Illegal
command
50
Deviation Home is lost
51
Deviation Reload is
request
52
Deviation Purge is
request
53
Deviation Idle timeout
55
Deviation system
pressure relieve
3A7273B
Description Cause
The current dispense The current dispense program
program order is order is invalid and not able to be
invalid and not able executed
to be executed
System home Emergency stop, upper switch
position lost sensor, or lower switch sensor is
activated
Home is not executed after
system start
Material in the Material in the metering cylinder is
metering cylinder is lower than the set 'reload request
lower than the set position'
'reload request
position'.
The system have not The system have not dispensed
dispensed for over over the set 'purge alarm time'.
the set 'purge alarm
time'.
The system idles for The system idles for longer time
longer time than the than the set 'Max idle time in job'
set 'Max idle time in
job'.
The system is in The system is in pressure relief
pressure relief status
status.
Appendix A - PSM Error Codes
Solution
check dispense program
Execute Home
Execute reload
Execute dispense or purge
immediately. If necessary, clean
dispense valve and other outlet
parts.
The system automatically ends
job per the set depressurize
parameters
Complete system relief before
getting the system back to normal
55