Graco PSM Instructions Manual page 53

Error Error
Error Name
code Type
9 Error
Part B supplier
is in low level
10 Error
Part A pressure
exceeds
system limit
13 Error
Servo unit lost
power
14 Error
Inlet valve A
does not turn
on in time
16 Error
Dispense valve
does not turn
on in time
17 Error
Reload valve
does not turn
off in time
19 Error
Dispense valve
does not turn
off in time
3A7273B
Description Cause
Insufficient material Insufficient material in the supply
for the supply system
system
Error of material lower level sensor Check position of the sensor or
Pressure is too high Dispense outlet line clogged
Dispense rate is too fast
Dispense Valve (AB) is not open
Pressure sensor error
Maximum working pressure is set
too low
Servo system power Power supply breaker of servo
supply error breaks
Servo is not open
Inlet valve does not Reload Valve (AD) error
turn on normally
Insufficient air supply pressure
Reload solenoid valve error
Reload valve close sensor error
System pressure exceeds the limit
pressure of reload valve.
Dispense valve does Dispense Valve (AB) error
not turn on normally
Insufficient air supply pressure
Dispense solenoid valve error
Dispense Valve (AB) close sensor
error
System pressure exceeds the limit
pressure of dispense valve
Reload valve does Reload Valve (AD) error
not turn off normally
Insufficient air supply pressure
Reload solenoid valve error
Reload valve close sensor error
System pressure exceeds the limit
pressure of reload valve.
Dispense valve does Dispense Valve (AB) error
not turn off normally
Insufficient air supply pressure
Dispense solenoid valve error
Dispense Valve (AB) close sensor
error
System pressure exceeds the limit
pressure of dispense valve
Appendix A - PSM Error Codes
Solution
Replace supply feeding tank
replace the sensor
Clean or replace dispense valve
and other outlet parts
Set proper dispense rate, or
replace with bigger dispense
nozzle
Check dispense valve and
dispense solenoid valve
Replace pressure sensor
Set proper maximum working
pressure
Test supply circuit, check servo,
and close breaker
Check status of Control Power
On/Off buttons (BB), Emergency
Stop Switch (BC) and outside
emergency stop contact.
Check and replace reload valve
Check air supply pressure
Check or replace reload solenoid
valve
Check or replace close sensor of
reload valve
Execute system relief and adjust
system pressure in proper range.
Check and replace dispense valve
Check system air supply pressure
Check or replace dispense
solenoid valve
Check or replace close sensor of
dispense valve
Execute system relief and adjust
system pressure in proper range
Check and replace reload valve
Check system air supply pressure
Check or replace reload solenoid
valve
Check or replace close sensor of
reload valve
Execute system relief and adjust
system pressure in proper range.
Check and replace dispense valve
Check system air supply pressure
Check or replace dispense
solenoid valve
Check or replace close sensor of
dispense valve
Execute system relief and adjust
system pressure in proper range
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