Alarm Troubleshooting
◆
ProMix™ II Alarms
310633C
53
Potlife Exceeded (E3) Alarm
Potlife Timer Function
The potlife timer, thus the alarm, becomes inactive after the system has been purged. The ProMix™ II needs a dose
of component B (or a complete cycle) to restart the potlife timer. Once restarted, the potlife time resets whenever
the potlife volume (see page 36) has moved through the system.
Cause
Solution
The time the mixed material has been in the lines has
exceeded the potlife time (see Potlife Time, page 32).
Press the Error Clear
key to stop the audible alarm.
You must then purge the system of mixed material before
the E3 code clears. Purge the system with solvent or new
mix material.
•
Solvent - Press the Purge
key on the Operator
Station. The system purges until the preset purge
time is complete. Refer to Purging Mixed Material,
page 44.
•
New Mix Material - Press the Mix
key and purge
the old material with new material.
Ratio Alarm (E4)
Cause
Solution
Comparison of component A and B volume dispensed in
the previous cycle does not meet set tolerances. See
Tolerance, page 32. This can be caused by:
•
If the alarm occurs during start up, after purging, the
flow rate was probably too high.
•
Restrict gun needle travel to slow down the initial
fluid delivery rate until fluid hoses are loaded with
material.
•
If the alarm occurred after you were spraying for
some time, the pressures from the fluid supplies
could be unbalanced.
•
Adjust component A and B fluid supply regulator
pressures until they are about equal. If the pressures
are already about equal, verify that component A
and B dispense valves are operating properly.
•
Slow actuation of the component A or B valves. This
can be caused by:
Manually operate the Dispense A and B solenoid
valves as instructed in ProMix™ II Service manual
310653 to check operation.
➜
Air pressure to the valve actuators is too low.
➜
Increase air pressure.
➜
Something is restricting the solenoid or tubing
and interrupting valve actuation air.
➜
There may be dirt or moisture in the air supply.
Filter appropriately.
➜
Packings on the mix manifold dispense valves
are too tight.
➜
Packing torque should be 25 in-lbs (2.8 N•m).
See page 39.
➜
A dispense valve is turned in too far.
➜
Refer to Start Up Checklist, page 39, for proper
adjustment. Tip: Put a piece of tape on the
knobs after they are properly set to discourage
anyone from changing settings.
➜
Fluid pressure is high and air pressure is low.
➜
Adjust air and fluid pressure.
CAUTION
The ProMix™ II potlife timer will not function when the ProMix™ II is used with multiple guns. To avoid having
mixed material set in the equipment, carefully monitor the potlife by some other means.
Summary of Contents for ProMix II
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