Premix Error - Color; Sha1 Sha2 Sha3; Prefill Error - Color; Mixfill Start Error - Graco ProMix 2KE Operation

System Errors
Alarm and Description
SFA1, SFA2, SFA3 or SFB1
PreMix Error
In systems with a gun flush
box, insufficient quantity of
resin/color (SFA1, SFA2, or
SFA3) or catalyst (SFB1) is
detected during the 10-second
PreMix sequence.
SHA1, SHA2, SHA3 or SHB1
PreFill Error
Total PreFill sequence volume
is not reached for color
(SHA1, SHA2, or SHA3) 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).
56
Cause
Gun, line, valve, or meter is plugged or
stuck.
Feeder pump or solvent pump is not
turned on or is not working.
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 mani-
fold, hose, and gun.
Solution
Check components and clean, repair, or
replace as necessary.
Check and repair pump. See pump
manual for repair procedures and
replacement parts.
Check air line path. See System Pneu-
matic Schematic, page 68 or 69. 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
34.
Check that hose length and diameter
have been entered correctly. See Con-
figure 2 (Screen 19), page 43.
Spray the required volume to restart the
potlife timer.
3A0869C