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Troubleshooting
64 3A2098H
Dispense Valves
Swirl Dispenser
Problem Cause Solution
Valve not opening Air not getting to the open port Verify air pressure to solenoid
No “Valve On” signal from automa-
tion unit
Check input from automation unit
Valve not shutting off Air not getting to the close port
(except AutoPlus valve)
Verify air pressure to solenoid
Verify solenoid operation
Verify air line routing and connec-
tions
“Valve On” signal from automation
unit is on
Check input from automation unit
Sluggish open/close Air pressure low Verify air pressure is above 60 psi
(410 kPa, 4.1 bar)
Needle/seat worn Rebuild valve; replace needle/seat
Pressurized material past the valve
shut-off is escaping
Reduce running pressure
Reduce nozzle length
Increase nozzle orifice size
Faulty solenoid valve Replace solenoid valve
Solenoid valve muffler restricted Clean or replace muffler
Material leaks from back of valve Shaft seal is worn Rebuild valve; replace seals
Air leaks from dispense valve Loose air connections Check air connections; tighten if
necessary
Worn piston o-ring Rebuild valve; replace piston o-ring
Problem Cause Solution
Motor not running (motor fault alarm
active)
Cable disconnected Verify cable connections to swirl
board, swirl motor cable, and swirl
orbiter
CAN cable was re-connected with
system power on (amber LED on
swirl board will be on, this indicates
circuit protection was triggered)
Cycle system power
Shorted motor cable (amber LED on
swirl board will be on, this indicates
circuit protection was triggered)
Replace swirl motor cable (55 ft)
then cycle power
Faulty swirl orbiter Replace swirl orbiter
Motor not running (motor fault alarm
not active)
Cable disconnected
Verify cable connections to swirl
board, swirl board power cable, and
swirl control DGM
No “Swirl Enable” signal from auto-
mation unit
Check input from automation unit
Swirl not installed
Verify that the proper swirl orbiter is
installed in the system setup screen