Graco ProMix 2KE Operation page 47

Alarm and Description
SFA1 or SFB1
PreMix Error
In systems with a gun flush
box, insufficient quantity of
resin/color (SFA1) or catalyst
(SFB1) is detected during the
10-second PreMix sequence.
SHA1 or SHB1
PreFill Error
Total PreFill sequence volume
is not reached for color
(SHA1) or catalyst (SHB1)
during the 5-minute PreFill
sequence.
SM
MixFill Start Error
In systems with a gun flush
box, insufficient volume of
mixed material is detected
during the 10-second mixed fill
sequence.
SN
MixFill Complete Error
Insufficient volume of mixed
material is detected during the
5-minute mixed fill sequence.
QPD1 or QPD2
Potlife Error
Potlife has been exceeded for
the mixed material for Gun 1
(QPD1) or Gun 2 (QPD2).
3A0868A
Cause
Gun, line, or valve is plugged or stuck.
Pump(s) not working or out of fluid.
Air lines or solenoids are plumbed incor-
rectly or solenoids are not working.
Flow rate is too low.
Gun Flush Box is not triggering gun.
Line or gun is plugged or restricted.
Flow rate is too low.
Valve is stuck.
Have not sprayed enough volume to keep
fresh mixed fluid in the mix manifold,
hose, and gun.
Solution
Check components and clean, repair, or
replace as necessary
Refill fluid supply. Check and repair
pump. See pump manual for repair pro-
cedures and replacement parts.
Check air line path. See System Pneu-
matic Schematic, page 52 or 53. Verify
that solenoid is working.
Increase fluid pressure.
Verify trigger is being pulled. Adjust as
needed.
Clean line, tip, or filter.
Increase fluid pressure or decrease
restriction.
Clean valve or verify that solenoid is
triggering valve properly.
Purge the mixed material line. See page
39
Spray the required volume to restart the
potlife timer.
System Errors
47