Graco N22DT0 - Troubleshooting; LED Is Flashing; Air Motor will Not Run with Datatrak

Troubleshooting
311238ZAM 15
Troubleshooting
LED is flashing
See TABLE 1: Diagnostic Codes, page 13.
Air Motor will not run with DataTrak
Also see the troubleshooting section in the Integrated Air Control Modules manual 311239.
To find parts lists for the parts identified in the troubleshooting tables, see page numbers listed in the table
below.
Air Motor Model Parts List Page
NXT Model 2200 32
NXT Model 3400 34
NXT Model 6500 36
Symptom Cause Check Procedure Solution
Runaway error code
displayed, pump running
faster than set runaway
limit.
Exhausted fluid supply,
increased air pressure,
increase fluid output, set
point too low.
Verify input air pressure, fluid
supply, fluid output, and
runaway set point.
Verify air pressure has be removed, wait
30 seconds then press reset. See
Runaway on page 12, manual.
Runaway error code does
not clear.
Solenoid pin will not retract. Remove outer valve cover
(47-287844) and solenoid
(140-NXT403) to see if pin is
fully retracted.
Replace solenoid (140-NXT403).